turso/CHANGELOG.md

Changelog

0.1.5 -- 2025-09-10

Added

• add missing module type for browser package (Nikita Sivukhin)
• Implement 2-args json_each (Mikaël Francoeur)
• Add OPFS support to JavaScript bindings (Nikita Sivukhin)
• test/fuzz: add UPDATE/DELETE fuzz test (Jussi Saurio)
• add gen-bigass-database.py (Jussi Saurio)
• Add assertion: we read a page with the correct id (Jussi Saurio)
• support float without fractional part (Lâm Hoàng Phúc)
• expr: use more efficient implementation for binary condition exprs (Jussi Saurio)
• Add json_each table-valued function (1-arg only) (Mikaël Francoeur)
• Add io_uring support to stress (Pekka Enberg)
• Refactor LIMIT/OFFSET handling to support expressions (bit-aloo)
• Encryption: add support for other AEGIS and AES-GCM cipher variants (Frank Denis)
• introduce package.json for separate *-browser package (both database and sync) (Nikita Sivukhin)
• introduce eq/contains/starts_with/ends_with_ignore_ascii_case macros (Lâm Hoàng Phúc)
• introduce match_ignore_ascii_case macro (Lâm Hoàng Phúc)
• core: Make strict schema support experimental (Pekka Enberg)
• core/printf: support for more basic substitution types (Luiz Gustavo)
• Return sqlite_version() without being initialized (Preston Thorpe)
• Support encryption for raw WAL frames (Gaurav Sarma)
• bindings/java: Implement date, time related methods under JDBC4PreparedStatement (Kim Seon Woo)
• Support cipher and encryption key URI options (William Souza)
• Implement UPSERT (Preston Thorpe)
• CLI: implement Line output .mode (Andrey Oskin)
• add sqlite integrity check back (Pedro Muniz)
• core: Initial pass on synchronous pragma (Pekka Enberg)
• Introduce and propagate IOContext as required (Avinash Sajjanshetty)
• Add some docs on encryption (Avinash Sajjanshetty)
• sqlite3: Implement sqlite3_malloc() and sqlite3_free() (Pekka Enberg)
• sqlite3: Implement sqlite3_next_stmt() (Pekka Enberg)
• core/translate: Add support (Pekka Enberg)
• sqlite3: Implement sqlite3_db_filename() (Pekka Enberg)
• flake.nix: add uv dependency to nativeBuildInputs (Ceferino Patino)
• sqlite3: Implement sqlite3_bind_parameter_index() (Pekka Enberg)
• sqlite3: Implement sqlite3_clear_bindings() (Pekka Enberg)
• sqlite3: Implement sqlite3_get_autocommit() (Pekka Enberg)
• Add support for AEGIS encryption algorithm (Avinash Sajjanshetty)
• bindings/java: Implement batch operations for JDBC4Statement (Kim Seon Woo)
• Add syntax highlighting for EXPLAIN and ANALYZE (Alex Miller)
• Add basic support for ANALYZE statement (Alex Miller)
• correctly implement offset() in parser (Lâm Hoàng Phúc)
• Switch to new parser in core (Levy A.)
• github: Remove Intel Mac support (Pekka Enberg)
• add remove_file method to the IO (Nikita Sivukhin)
• Add libc fault injection to Antithesis (Pekka Enberg)
• core/mvcc: support for MVCC (Pere Diaz Bou)
• SQLite C API improvements: add column type and column decltype (Danawan Bimantoro)
• Initial pass to support per page encryption (Avinash Sajjanshetty)

Updated

• clean print_query_result (Lâm Hoàng Phúc)
• update update-script to properly handle JS workspace (Nikita Sivukhin)
• no need QueryStatistics if self.opts.timer is not set (Lâm Hoàng Phúc)
• optimizer: convert outer join to inner join if possible (Jussi Saurio)
• Handle case where null flag is set in op_column (Jussi Saurio)
• remove &1 (Lâm Hoàng Phúc)
• reduce cloning Arc<Page> (Lâm Hoàng Phúc)
• Evaluate left join seek key condition again after null row (Jussi Saurio)
• use mlugg/setup-zig instead of unmaintained action (Kingsword)
• Prevent setting of encryption keys if already set (Gaurav Sarma)
• Remove RefCell from Cursor (Pedro Muniz)
• Page Cache: optimize and use sieve/Gclock hybird algorithm in place of LRU (Preston Thorpe)
• core: handle edge cases for read_varint (Sonny)
• Persistence for DBSP-based materialized views (Glauber Costa)
• io_uring: prevent out of order operations that could interfere with durability (Preston Thorpe)
• core: Simplify WalFileShared life cycle (Pekka Enberg)
• prevent modification to system tables. (Glauber Costa)
• mark completion as done only after callback will be executed (Nikita Sivukhin)
• core/mvcc: make commit_txn return on I/O (Pere Diaz Bou)
• windows iterator returns no values for shorter slice (Lâm Hoàng Phúc)
• Unify resolution of aggregate functions (Piotr Rżysko)
• replace some matches with match_ignore_ascii_case macro (Lâm Hoàng Phúc)
• Make io_uring sound for connections on multiple threads (Preston Thorpe)
• build native package for ARM64 (Nikita Sivukhin)
• refactor parser fmt (Lâm Hoàng Phúc)
• string sometimes used as identifier quoting (Lâm Hoàng Phúc)
• CURRENT_TIMESTAMP can fallback TK_ID (Lâm Hoàng Phúc)
• remove turso_sqlite3_parser from turso_parser (Lâm Hoàng Phúc)
• Simulate I/O in memory (Pedro)
• Simulate I/O in memory (Pedro Muniz)
• Refactor encryption to manage authentication tag internally (bit-aloo)
• Unify handling of grouped and ungrouped aggregations (Piotr Rżysko)
• Evict page from cache if page is unlocked and unloaded (Pedro Muniz)
• Use u64 for file offsets in I/O and calculate such offsets in u64 (Preston Thorpe)
• Document how to use CDC (Pavan Nambi)
• Upgrade Rust version in simulator build Dockerfile (Preston Thorpe)
• Parse booleans to integer literals in expressions (Preston Thorpe)
• Simulator Profiles (Pedro Muniz)
• Change views to use DBSP circuits (Glauber Costa)
• core/wal: cache file size (Pere Diaz Bou)
• Remove some code duplication in the CLI (Preston Thorpe)
• core/translate: parse_table remove unnecessary clone of table name (Pere Diaz Bou)
• Update COMPAT.md to remove CREATE INDEX default disabled (Preston Thorpe)
• core/translate: remove unneessary agg clones (Pere Diaz Bou)
• core/vdbe: Micro-optimize "zero_or_null" opcode (Pekka Enberg)
• translate: with_capacity insns (Pere Diaz Bou)
• perf: avoid constructing PageType in helper methods (Jussi Saurio)
• refactor/perf: remove BTreePageInner (Jussi Saurio)
• Improve integrity check (Nikita Sivukhin)
• translate/insert: Improve string format performance (Pere Diaz Bou)
• core/schema: get_dependent_materialized_views_unnormalized (Pere Diaz Bou)
• core/util: emit literal, cow instead of replace (Pere Diaz Bou)
• core/translate: sanize_string fast path improvement (Pere Diaz Bou)
• core/io: Switch Unix I/O to use libc::pwrite() (Pekka Enberg)
• Update README.md for Go documentation (Preston Thorpe)
• improve sync engine (Nikita Sivukhin)
• Remove Go bindings (Preston Thorpe)
• core/storage: Micro-optimize Pager::commit_dirty_pages() (Pekka Enberg)
• Rename Go driver to turso to not conflict with sqlite3 (Preston Thorpe)
• Refactor: Cell instead of RefCell to store CipherMode in connection (Avinash Sajjanshetty)
• Improve documentation of page pinning (Jussi Saurio)
• Remove double indirection in the Parser (Pedro Muniz")
• Fail CI run if Turso output differs from SQLite in TPC-H queries (Jussi Saurio)
• Decouple SQL generation from Simulator crate (Pedro Muniz)
• Make fill_cell_payload() safe for async IO and cache spilling (Jussi Saurio)
• Remove Windows IO in place of Generic IO (Preston Thorpe)
• Improve encryption API (Avinash Sajjanshetty)
• Remove double indirection in the Parser (Pedro Muniz)
• Update TPC-H running instructions in PERF.md (Alex Miller)
• Truncate the WAL on last connection close (Preston Thorpe)
• DBSP projection (Pekka Enberg)
• Use vectored I/O for appending WAL frames (Preston Thorpe)
• Remove unnecessary argument from Pager::end_tx() (Nikita Sivukhin)
• refactor/btree: rewrite the find_free_cell() function (Jussi Saurio)
• refactor/btree: rewrite the free_cell_range() function (Jussi Saurio)
• Remove Result from signature (Mikaël Francoeur)
• Remove duplicated attribute in (bit-aloo)
• reduce cloning Token in parser (Lâm Hoàng Phúc)
• refactor encryption module and make it configurable (Avinash Sajjanshetty)
• Replace a couple refcells for types that trivially impl Copy (Preston Thorpe)
• wal-api: allow to mix frames insert with SQL execution (Nikita Sivukhin)
• move check code into parser (Lâm Hoàng Phúc)
• Serialize compat tests and use Mutex::lock() instead of Mutex::try_lock() in UnixIO (Jussi Saurio)
• sim: remove "run_once faults" (Jussi Saurio)
• should not return a Completion when there is a page cache hit (Pedro Muniz)
• github: Reduce Python build matrix (Pekka Enberg)
• Page cache truncate (Nikita Sivukhin)
• Wal api checkpoint seq (Nikita Sivukhin)
• Use more structured approach in translate_insert (Jussi Saurio)
• Remove hardcoded flag usage in DBHeader for encryption (Avinash Sajjanshetty)
• properly execute pragmas - they may require some IO (Nikita Sivukhin)
• Wal checkpoint upper bound (Nikita Sivukhin)
• Improve WAL checkpointing performance (Preston Thorpe)
• core/mvcc: store txid in conn and reset transaction state on commit (Pere Diaz Bou)
• core/mvcc: start first rowid at 1 (Pere Diaz Bou)
• refactor/vdbe: move insert-related seeking to VDBE from BTreeCursor (Jussi Saurio)

Fixed

• Fix clear_page_cache method and rollback (Preston Thorpe)
• Fix read_entire_wal_dumb: incrementally build the frame cache (Preston Thorpe)
• Fix merge script to prompt if tests are still in progress (Preston Thorpe)
• SQL generation fixes (Pekka Enberg)
• Fix affinity handling in MakeRecord (Pekka Enberg)
• Fix infinite loop when IO failure happens on allocating first page (Preston Thorpe)
• Fix crash in Next opcode if cursor stack has no pages (Jussi Saurio)
• cli: Fix dump compatibility in "PRAGMA foreign_keys" (Pekka Enberg)
• Small fixes (Nikita Sivukhin)
• Avoid allocating and then immediately fallbacking errors in affinity (Jussi Saurio)
• Fix float formatting and comparison + Blob concat (Levy A.)
• Fix infinite loop when query starts comment token ("--") (Lâm Hoàng Phúc)
• Fix sqlite3 test cases (Pekka Enberg)
• Fix non-determinism in simulator (Pedro Muniz)
• Fix column count in ImmutableRow (Glauber Costa)
• Fix memory leak in page cache during balancing (Preston Thorpe)
• Fix sim-schema command (Pedro Muniz)
• Propagate decryption error from the callback (Avinash Sajjanshetty)
• Fix sorter column deduplication (Piotr Rżysko)
• Fix missing functions after revert (Pedro Muniz)
• ci: fix merge-pr issue to escape command-line backticks (Ceferino Patino)
• Fix several issues with integrity_check (Jussi Saurio)
• core/io: Fix build on Android and iOS (Pekka Enberg)
• WAL txn: fix reads from DB file (Nikita Sivukhin)
• Fix blob type handling in JavaScript (Pekka Enberg)
• Fix: all indexes need to be updated if the rowid changes (Jussi Saurio)
• Fix: in UPDATE, insert rowid into index instead of NULL (Jussi Saurio)
• Fix: normalize table name in DELETE (Jussi Saurio)

0.1.4 -- 2025-08-20

Added

• bindings/rust: Add method (Pekka Enberg)
• Add helper to convert io::clock::Instant to useable format (Preston Thorpe)
• bindings/javascript: Add TypeScript declarations to package (Pekka Enberg)
• add missing closing tag (Glauber Costa)
• add metrics and implement the .stats command (Glauber Costa)
• Add bench-sqlite script and makefile command (Preston Thorpe)
• Fix simulator docker build by adding new sync directory (Preston Thorpe)
• core/mvcc: schema_did_change support and find last valid version (Pere Diaz Bou)
• Add list databases and open database commands to the MCP server (Glauber Costa)
• Add documentation and rename functions (Mikaël Francoeur)
• Add io_yield macros to reduce boilerplate (Preston Thorpe)
• Add --keep-files flag to allow for inspection of files for successful simulator runs (Preston Thorpe)
• core/printf: support for the %i operand (Luiz Gustavo)
• Add parser to Dockerfiles for cargo chef (Jussi Saurio)
• Add framework for testing extensions in TCL (Piotr Rżysko)
• Fix WAL initialization to last committed frame (Nikita Sivukhin)
• sim: add Property::TableHasExpectedContent (Jussi Saurio)
• Properly implement CLI command (Preston Thorpe)
• docs: add Claude Code MCP integration guide (Braden Wong)
• Add assertion for expected write amount in writev callback (Preston Thorpe)
• sim: add Property::ReadYourUpdatesBack (Jussi Saurio)
• Add support for unlikely(X) (bit-aloo)
• Implement normal views (Glauber Costa)
• turso-sync: support checkpoint (Nikita Sivukhin)
• bindings/javascript: Add async connect() function (Pekka Enberg)
• Direct schema mutation – add RenameColumn instruction (Levy A.)
• Implement Aggregations for DBSP views (Glauber Costa)
• stop silently ignoring unsupported features in incremental view where clauses (Jussi Saurio)
• turso-sync: support updates and schema changes (Nikita Sivukhin)
• turso-cdc: add updates column for cdc table (Nikita Sivukhin)
• docs: improve README initialization section clarity (Braden Wong)
• Add support for Full checkpoint mode in the WAL (Preston Thorpe)
• Add support for PRAGMA freelist_count (bit-aloo)
• Initial pass on incremental view maintenance with DBSP (Glauber Costa)
• SQLite C API improvements: add bind_text and bind_blob (Danawan Bimantoro)
• perf/clickbench: enable rest of queries since we support DISTINCT and REGEXP_REPLACE (Jussi Saurio)
• Add table name to the delete bytecode (Glauber Costa)
• Initial pass on incremental view maintenance with DBSP (Glauber Costa)
• docs: fix CLI command and add homebrew install instructions for MacOS (Mattia)
• Reimplement LimboRwLock in the WAL (Preston Thorpe)
• BufferPool: add arena backed pool to support fixed opcodes and coalescing (Preston Thorpe)
• translate: return parse errors for unsupported features instead of silently ignoring (Jussi Saurio)
• Add query only pragma (bit-aloo)
• Direct schema mutation – add instruction (Levy A.)
• Add .clone CLI command to copy database files (Preston Thorpe)
• PageContent: make read_x/write_x methods private and add dedicated methods (Jussi Saurio)
• SQLite C API improvements: add basic bind and column functions (Danawan Bimantoro)
• javascript: Implement Statement.iterate() (Pekka Enberg)
• Fix panic on loading extension on brand new connection (Preston Thorpe)
• implement the MaxPgCount opcode (Glauber Costa)
• Direct schema mutation – add instruction (Levy A.)
• Add regexp capture (bit-aloo)
• Add load_insn macro for compiler hint in vdbe::execute hot path (Preston Thorpe)
• test/fuzz: add ALTER TABLE column ops to tx isolation fuzz test (Jussi Saurio)
• core/mvcc: implement exists (Pere Diaz Bou)
• tests/fuzz_transactions: add tests for fuzzing transactions with MVCC (Pere Diaz Bou)
• perf/btree: implement fast algorithm for defragment_page (Jussi Saurio)
• bindings/rust: add with_mvcc option, open with path too! (Pere Diaz Bou)
• core/mvcc: implement seeking operations with rowid (Pere Diaz Bou)
• bindings/rust: add with_mvcc option (Pere Diaz Bou)
• Add bitmap to track pages in arenas (Preston Thorpe)
• Direct schema mutation – add instruction (Levy A.)
• core/mvcc: fix new rowid on restart (Pere Diaz Bou)
• Implement JavaScript bindings with minimal Rust core (Pekka Enberg)
• test/fuzz/transactions: add "PRAGMA wal_checkpoint" to txn isolation fuzz test (Jussi Saurio)
• Support the OFFSET clause for Compound select (meteorgan)
• Introduce some state machines in preparation for IO Completions refactor (Pedro Muniz)
• Add cli Dockerfile (Pere Diaz Bou)
• Implement the Cast opcode (Glauber Costa)
• Support VALUES clauses for compound select (meteorgan)
• fix: add packages to sim/antithesis dockerfiles for cargo-chef (Jussi Saurio)
• Add vector_concat and vector_slice support (bit-aloo)
• bindings/rust: Add Connection::execute_batch() (Rohith Suresh)
• bindings/java: Throw UnsupportedOperationException for unimplemented … (Pekka Enberg)
• turso-sync package: initial commit (Nikita Sivukhin)

Updated

• JavaScript improvements (Pekka Enberg)
• bindings/javascript: Rename to (Pekka Enberg)
• Small pager cleanups (Jussi Saurio)
• Do not begin or end transactions in nested statement (Jussi Saurio)
• make the MCP server instructions more visible on the README (Glauber Costa)
• FaultyQuery enabled by default (Pedro Muniz)
• hide our age (Glauber Costa)
• make sure our responses are compliant with MCP (Glauber Costa)
• Move sync code to own directory (Pekka Enberg)
• Refactor: use regular save/restore context mechanism for delete balancing (Jussi Saurio)
• Improve handling of inserts with column names (Wallys Ferreira)
• emit SetCookie when creating a view (Glauber Costa)
• unify halts (Glauber Costa)
• Update stale in memory wal header after restarting log (Preston Thorpe)
• sync-engine: Use SQL over HTTP instead of WAL push (Nikita Sivukhin)
• Convert SQLite parser in Rust by hand (Lâm Hoàng Phúc)
• Ensure we fsync the db file in all paths that we checkpoint (Preston Thorpe)
• Revive async io extension PR (Preston Thorpe)
• sim: reduce frequency of compound selects and complex joins (Jussi Saurio)
• Use BufferPool owned by Database instead of a static global (Jussi Saurio)
• sync-engine: avoid unnecessary WAL push (Nikita Sivukhin)
• use virtual root page for sqlite_schema (Mikaël Francoeur)
• io_uring: Gracefully handle submission queue overflow (Preston Thorpe)
• Disable unused variables in cargo clippy for CI (Pedro Muniz)
• Refactor: atomic ordering (Preston Thorpe)
• Document the I/O model (Pedro Muniz)
• disable checkpoint: adjust semantic (Nikita Sivukhin)
• SDK: enable indices everywhere (Nikita Sivukhin)
• Manual updates (Pekka Enberg)
• Wait for I/O completions (Pedro Muniz)
• IO Cleanups to use and (Pedro Muniz)
• move our dbsp-based views to materialized views (Glauber Costa)
• More State machines (Pedro Muniz)
• Rename page -> slot for arenas + buffer pool (Preston Thorpe)
• Unify JavaScript package README files (Pekka Enberg)
• simple README with warning (Nikita Sivukhin)
• core/wal: Minor checkpointing cleanups and optimizations (Preston Thorpe)
• perf/btree: optimize op_column (Jussi Saurio)
• Update PERF.md with mobibench instructions (Preston Thorpe)
• Handle single, double and unquoted strings in values clause (Mikaël Francoeur)
• Use rusqlite 0.37 with bundled SQLite everywhere (Jussi Saurio)
• Feat/pragma module list (Lucas Forato)
• remove turso-sync as now we have turso-sync-engine (Nikita Sivukhin)
• Sorter IO Completions (Pedro Muniz)
• Simulator should delete files after a successful run (Pedro Muniz)
• turso-sync: js package (Nikita Sivukhin)
• global allocator should not be set for library, only for executables (Pedro Muniz)
• Evaluate WHERE conditions after LEFT JOIN (Piotr Rżysko)
• Btree cache usable space (Jussi Saurio)
• Rename JavaScript package to (Pekka Enberg)
• perf: a few small insert optimizations (Jussi Saurio)
• javascript: Organize test cases better (Pekka Enberg)
• only allow multiples of 64 for performance in arena bitmap (Preston Thorpe)
• btree: Use correct byte offsets for page 1 in defragmentation (Jussi Saurio)
• bench/insert: use PRAGMA synchronous=full (Jussi Saurio)
• JavaScript improvements (Pekka Enberg)
• turso-sync: rewrite (Nikita Sivukhin)
• bench/insert: use locking_mode EXCLUSIVE and journal_mode=WAL for sqlite (Jussi Saurio)
• IO More State Machine (Pedro Muniz)
• refactor/btree: cleanup write/delete/balancing states (Jussi Saurio)
• cdc: emit entries for schema changes (Nikita Sivukhin)
• Coll seq (Glauber Costa)
• Remove RefCell from Buffer in IO trait methods and PageContents (Preston Thorpe)
• Remove Clone impl for Buffer and PageContent (Preston Thorpe)
• More state machine + Return IO in places where completions are created (Pedro Muniz)
• cleanup: remove unused page uptodate flag (Jussi Saurio)
• Relax I/O configuration attribute to cover all Unixes (Pedro Muniz)
• Update defragment page to defragment in-place (João Severo)
• Integrate virtual tables with optimizer (Piotr Rżysko)
• Reprepare Statements when Schema changes (Pedro Muniz)
• More State Machines in preparation for tracking IO Completions (Pedro Muniz)
• coalesce any adjacent buffers from writev calls into fewer iovecs (Preston Thorpe)
• extend raw WAL API with few more methods (Nikita Sivukhin)
• Use pwrite for single buffer pwritev call in unix IO (Preston Thorpe)
• hide dangerous methods behind conn_raw_api feature (Nikita Sivukhin)
• preserve files in IO memory backend (Nikita Sivukhin)
• Improve SQLite3 TCL test suite (Pekka Enberg)
• Make completions idempotent (Preston Thorpe)
• perf/btree: skip seek in move_to_rightmost() if we are already on rightmost page (Jussi Saurio)
• perf/pager: dont clear page cache on commit (Jussi Saurio)
• Rename liblimbo_sqlite3 to libturso_sqlite3 (Pekka Enberg)
• core: Fold HeaderRef to pager module (Pekka Enberg)
• perf/vdbe: remove eager cloning in op_comparison (Jussi Saurio)
• Update cargo-dist to the latest official version (Hiroaki Yutani)
• bindings/rust: Enhance API by removing verbosity (Diego Reis)
• use state machine for NoConflict opcode (Mikaël Francoeur)
• state_machine: remove State associated type (Pere Diaz Bou)
• Single quotes inside a string literal have to be doubled in (Diego Reis)
• core/mvcc: Move commit_txn() to generic state machinery (Pere Diaz Bou)
• bindings/javascript: Reduce VM/native crossing overhead (Pekka Enberg)
• Enable indexes by default (Jussi Saurio)
• perf/btree: improve performance of rowid() function (Jussi Saurio)
• core/mvcc: Persist changes through pager on commit (Pere Diaz Bou)
• Open a temporary on-disk file for ephemeral tables (Jussi Saurio)
• Force Sqlite to parse schema on connection benchmark (Levy A.)
• more compat police (Glauber Costa)
• Bury limbo-wasm (Diego Reis)
• IN queries (Glauber Costa)
• IN queries (Glauber Costa)
• vdbe: Disallow checkpointing in transaction (Jussi Saurio)
• Serverless JavaScript driver improvements (Pekka Enberg)
• Direct DatabaseHeader reads and writes – with_header and with_header_mut (Levy A.)
• refactor/btree: simplify get_next_record()/get_prev_record() (Jussi Saurio)
• Accumulate/batch vectored writes when backfilling during checkpoint (Preston Thorpe)
• remove non-existent opcode (Glauber Costa)
• skip invalid inputs in cosine distance prop test (bit-aloo)
• core/mvcc: Switch to parking_lot RwLock (Pekka Enberg)
• Rewrite the WAL (Preston Thorpe)
• turso-sync: bidirectional sync for local db (Nikita Sivukhin)
• Change more function signatures to return Completions (Pedro Muniz)
• Clean up conversion between InsnFunctionStepResult and StepResult (Diego Reis)
• core/mvcc: simplify mvcc cursor types (Pere Diaz Bou)
• bindings/javascript: Run tests serially (Diego Reis)
• Javascript testing cleanups (Pekka Enberg)
• Javascript API improvements (Pekka Enberg)
• Change function signatures to return IO Completions (Pedro Muniz)

Fixed

• Fix page locked panic (Pedro Muniz)
• Remove assertions from Completion::complete() and Completion::error() (Jussi Saurio)
• Completion Error (Pedro Muniz)
• fix/sim: prevent sim from trying to create an existing table or index (Jussi Saurio)
• Fail simulator on parse errors (Jussi Saurio)
• fix pragma table_info for views (Glauber Costa)
• Fix two issues in simulator (Jussi Saurio)
• Fix distinct order by (Jussi Saurio)
• Fix UPDATE: Do not use an index for iteration if that index is going to be updated (Jussi Saurio)
• Fix non-4096 page sizes (Jussi Saurio)
• fix: Handle fresh INSERTs in materialized view incremental maintenance (Glauber Costa)
• Fix: do computations on usable_space as usize, not as u16 (Jussi Saurio)
• Sync engine fixes (Nikita Sivukhin)
• Fix tables renaming to existing index and rename indexed columns on (Levy A.)
• Fix max_frame determination and comments in WAL checkpointing (Preston Thorpe)
• turso-sync: fix schema bug (Nikita Sivukhin)
• Fix: Rename clickbench output file limbo/turso (Henrik Ingo)
• Reprepare fix on write statement (Pedro Muniz)
• Fix view processing in the VDBE (Jussi Saurio)
• Fix performance regression in prepare (Piotr Rżysko)
• Fix JavaScript bindings packaging (Nikita Sivukhin)
• bench/insert: fix expected return value from pragma (Jussi Saurio)
• Fix segfault on schema update for virtual tables (Preston Thorpe)
• core/btree: fix re-entrancy bug in insert_into_page() (Jussi Saurio)
• Fix performance regression (Jussi Saurio)
• fix/wal: remove start_pages_in_frames_hack to prevent checkpoint data loss (Jussi Saurio)
• fix/core/translate: ALTER TABLE DROP COLUMN: ensure schema cookie is updated even when target table is empty (Jussi Saurio)
• io_uring: setup plumbing for Fixed opcodes (Preston Thorpe)
• JavaScript serverless driver fixes (Pekka Enberg)
• Fix vector deserialization alignment and blob/text empty mismatch (bit-aloo)
• fix/wal: reset ongoing checkpoint state when checkpoint fails (Jussi Saurio)
• Fix parser error for repetition in row values (Diego Reis)
• fix/wal: only rollback WAL if txn was write + fix start state for WalFile (Jussi Saurio)
• fix/bindings/rust: return errors instead of swallowing them and returning None (Jussi Saurio)
• fix/wal: make db_changed check detect cases where max frame happens to be the same (Jussi Saurio)
• fix/wal: reset page cache when another connection checkpointed in between (Jussi Saurio)
• Fix merge script to prevent incorrectly marking merged contributor PRs as closed (Preston Thorpe)
• Fix concat_ws to match sqlite behavior (bit-aloo)
• bindings/rust: return errors instead of vibecoded numbers (Jussi Saurio)

0.1.3 -- 2025-07-29

Added

• bindings/rust: Add WAL API support (Nikita Sivukhin)
• Implement the Returning statement for inserts and updates (Glauber Costa)
• implement the pragma encoding (Glauber Costa)
• support doubly qualified identifiers (Glauber Costa)
• mark detach as supported (Glauber Costa)
• Support ATTACH (read only) (Glauber Costa)
• serverless: Add DatabasError type (Pekka Enberg)
• btree/balance: support case where immediate parent page of unbalanced child page also overflows (Jussi Saurio)
• serverless: Add Statement.run() method (Pekka Enberg)
• make add dirty to change flag and also add page to the dirty list (Nikita Sivukhin)
• types: less noisy Debug implementation for ImmutableRecord (Jussi Saurio)
• Safe AtomicUsize wrapper for db_state: add DbState and AtomicDbState (Levy A.)
• Add Github workflow for Turso serverless package (Pekka Enberg)
• Add Rickrolling Turso blog post to contrib (Avinash Sajjanshetty)
• Add @tursodatabase/serverless package (Pekka Enberg)
• Implement pragma database_list (Glauber Costa)
• fix/test: fix and unignore incorrectly implemented test (Jussi Saurio)
• implement Debug for Database (Glauber Costa)
• implement pragma application_id (Glauber Costa)
• implement write side of pragma schema_version (Glauber Costa)
• Simplify blocking operations – add io.block(fn) for IO trait implementors (Levy A.)
• bindings/rust: Initial support for transactions API (Diego Reis)
• claude sonnet forgot to run clippy when implementing mcp server (Jussi Saurio)
• bindings/js: support iterator, and more kinds of params (Mikaël Francoeur)
• Add a native MCP server (Glauber Costa)
• sim: add order by to some queries (Jussi Saurio)
• Core: Introduce external sorting (Iaroslav Zeigerman)
• forgot to set the state to NewTrunk if we have more leaf pages than free entries (Pedro Muniz)
• Implement IO latency correctly in simulator (Pedro Muniz)
• page cache: temporarily increase default size until WAL spill is implemented (Jussi Saurio)
• compat: add integrity_check (Pere Diaz Bou)
• sim: provide additional context in assertion failures (Jussi Saurio)
• btree: add some assertions related to #2106 (Jussi Saurio)
• bench: add insert benchmark (batch sizes: 1,10,100) (Jussi Saurio)
• Support page_size pragma setting (meteorgan)

Updated

• bindings/javascript: Generate native npm packages at publish (Pekka Enberg)
• Replace custom wasm bindings with napi-rs (Diego Reis)
• core: Enforce shared database object per database file (Pekka Enberg)
• btree/pager: Improve update performance by reusing freelist pages in allocate_page() (Jussi Saurio)
• VDBE/op_column: use references to cursor payload instead of cloning (Jussi Saurio)
• io/unix: wrap file with Mutex (Pere Diaz Bou)
• core: Clone everything in schema (Pere Diaz Bou)
• core/translate: Handle Expr::Id in CREATE INDEX (Kristofer)
• Thread-safe WindowsFile (Levy A.)
• io_uring: use Arc pointer for user data of entries (Preston Thorpe)
• Stop checkpointing the entire WAL after every write when wal frame size > threshold (Preston Thorpe)
• compat police (Glauber Costa)
• remove upsert statement from COMPAT.md (Glauber Costa)
• Update limbo -> turso in manual.md (stano)
• bindings/javascript: Switch to napi v3 (Diego Reis)
• Simplify sum() aggregation logic (bit-aloo)
• Ignore WAL frames after bad checksum (Pere Diaz Bou)
• parser: Distinguish quoted identifiers and unify Id into Name enum (bit-aloo)
• btree: clear overflow pages when insert overwrites a cell (= UPDATE) (Jussi Saurio)
• Append WAL frames one by one (Pere Diaz Bou)
• pager: Clear stale page cache if database changed (Jussi Saurio)
• sim/aws: ignore child process exits with code 137 (Jussi Saurio)
• WAL insert API: force schema re-parse if necessary after WAL sync session end (Nikita Sivukhin)
• WAL insert: mark pages as dirty (Nikita Sivukhin)
• emit SetCookie after DropTable (Glauber Costa)
• Bail early for read-only virtual tables (Preston Thorpe)
• measure only the time it takes to open the actual connection (Glauber Costa)
• Explicit rowid insert (Nikita Sivukhin)
• Deserialize keys only once when sorting immutable records (Iaroslav Zeigerman)
• WAL insert API (Nikita Sivukhin)
• Pager: clear overflow cells when freeing page (Jussi Saurio)
• make readonly a property of the database (Glauber Costa)
• use default hasher for the sake of determinism (Nikita Sivukhin)
• Load static extensions once and store on Database instead of once per connection (Preston Thorpe)
• wal: write txn fail in case max_frame change midway (Pere Diaz Bou)
• Improve Antithesis tests (Pekka Enberg)
• core/lib: init_pager lock shared wal until filled (Pere Diaz Bou)
• test/stress&sim: enable indexes by default (Jussi Saurio)
• Usable space unwrap (Pedro Muniz)
• BTreeTable::to_sql: wrap special column names in brackets (Nils Koch)
• Avoid redundant decoding of record headers when reading sorted chunk files (Iaroslav Zeigerman)
• compat: change page_size pragma and RowData opcode to yes (meteorgan)
• Explain the Turso challenge (Glauber Costa)
• gh workflow for dart (test, precompile, publish), only test is activated (Andika Tanuwijaya)
• bindings/rust: Return number of rows changed from Connection::execute() (Rohith Suresh)
• bindings/java: Make TursoDB and TursoDB factory thread-safe (Mikaël Francoeur)
• use wasm32-wasip1 target instead of wasm32-wasi (Nils Koch)
• improve handling of double quotes (Glauber Costa)
• Remove find_cell, allow overwrite of index interior cell (Jussi Saurio)
• sim: change --disable-create-index flag to --enable-create-index (default false) (Jussi Saurio)
• Reanimate MVCC (Pekka Enberg)
• Replace verbose IO Completion methods with helpers (Preston Thorpe)
• Use pread and pwrite in run_once (Ihor Andrianov)
• make_from_btree should wait for IO to complete (Pedro Muniz)
• chore: update rust to version 1.88.0 (Nils Koch)
• refactor/btree&vdbe: fold index key info (sort order, collations) into a single struct (Jussi Saurio)
• core: Copy-on-write for in-memory schema (Levy A.)
• simulator: Disable INSERT INTO .. SELECT for being slow (Pekka Enberg)
• Async IO: registration of file descriptors (Preston Thorpe)
• Clean up AST unparsing, remove ToSqlString (Levy A.)
• rename operation_xxx to change_xxx to make naming more consistent (Nikita Sivukhin)
• Separate user-callable cacheflush from internal cacheflush logic (Diego Reis)
• make unixepoch to return i64 (Nikita Sivukhin)
• sim: ignore fsync faults (Jussi Saurio)
• Updates to the simulator (Alperen Keleş)
• small refactor: rename "amount" to "extra_amount" (Nikita Sivukhin)
• refactor: Changes CursorResult to IOResult (Diego Reis)
• btree: unify table&index seek page boundary handling (Jussi Saurio)
• Treat table-valued functions as tables (Piotr Rżysko)

Fixed

• perf: fix logic error in is_simple_count() (Jussi Saurio)
• Fix writing wal header for async IO (Preston Thorpe)
• bindings/javascript: Fix tracing and SqliteError message not populated (Levy A.)
• Fix sum() to follow the SQLite semantics (FamHaggs)
• Fix error handling when binding column references while translating the UPDATE statement (Iaroslav Zeigerman)
• Fix schema reparse logic (Nikita Sivukhin)
• Fix page_count pragma (meteorgan)
• sqlite3: Improve SQLite error handling and fix C-string safety (Ceferino Patino)
• fix: SUM returns correct float for mixed numeric/non-numeric types & return value on empty set (Axel Tobieson Rova)
• silence clippy errors with features disabled (Glauber Costa)
• fix raw read frame WAL API (Nikita Sivukhin)
• Work around CREATE TABLE whitespace issue (Jussi Saurio)
• Fix issues in alter table tests and fix a small error in BTreeTable::to_sql (Jussi Saurio)
• Fix duplicate SET statement compatibility with SQLite (Ihor Andrianov)
• test/clickbench: fix clickbench (Jussi Saurio)
• fix/sim: actually enable indexes by default (Jussi Saurio)
• fix/btree/balance: interior cell insertion can leave page overfull (Jussi Saurio)
• Fix error: Stable 1.88.0 is not available in Nix flake (Levy A.)
• Fix column order for multi-row insertion (Nikita Sivukhin)
• doc: fix intra-repo links for contribution guide and license, and expand binding links (bit-aloo)
• fix opcodes missing a database register (Glauber Costa)
• sorter: fix sorter panic on SortedChunkIOState::WaitingForRead (Jussi Saurio)
• Fix parent page stack location after interior node replacement (Jussi Saurio)
• Fix rollback for TxErrors (Diego Reis)
• make most instrumentation levels to be Debug or Trace instead (Pedro Muniz)
• Property FaultyQuery should fail if we encounter an error that is not expected (Pedro Muniz)
• translate/create index: fix wrong collations (Jussi Saurio)
• bind/java: Fix Linux x86 build release (Diego Reis)
• fix/btree: fix insert_into_cell() logic (Jussi Saurio)
• cli: fix not being able to redirect traces to a file from inline query (Jussi Saurio)
• bind/javascript: Fix presentation mode disabling logic (Diego Reis)
• btree: fix post-balancing seek bug in delete path (Jussi Saurio)
• btree: fix trying to go upwards when we are already at the end of the entire btree (Jussi Saurio)
• btree: fix interior cell replacement in btrees with depth >=3 (Jussi Saurio)
• extensions/vtab: fix i32 being passed as i64 across FFI boundary (Jussi Saurio)
• Fix CSV import in the shell (Jussi Saurio)
• fix record header size calculations and incorrect assumptions (Jussi Saurio)
• bindings/js: fix more tests (Mikaël Francoeur)

0.1.2 -- 2025-07-15

Added

• Add fuzz to CI checks (Levy A.)
• Add async header accessor functionality (Zaid Humayun)
• core/vector: Euclidean distance support for vector search (KarinaMilet)
• Fix: OP_NewRowId to generate semi random rowid when largest rowid is i64::MAX (Krishna Vishal)
• vdbe: fix some issues with min() and max() and add ignored fuzz test (Jussi Saurio)
• github: Update to newest Nyrkiö Github action (Henrik Ingo)
• Add Nyrkiö to partners section in README (Henrik Ingo)
• Support except operator for Compound select (meteorgan)
• btree: fix incorrect comparison implementation in key_exists_in_index() (Jussi Saurio)
• bindings/java: Implement required methods to run on JetBrains Datagrip (Kim Seon Woo)
• add interactive transaction to property insert-values-select (Pere Diaz Bou)
• add pere to antithesis (Pere Diaz Bou)
• cli: Add support for .headers command (Pekka Enberg)
• stress: add a way to run stress with indexes enabled (Jussi Saurio)
• sim: add feature flags (indexes,mvcc) to CLI args (Jussi Saurio)
• Add multi select test in JDBC4StatementTest (Kim Seon Woo)
• bindings/dart initial implementation (Andika Tanuwijaya)
• bindings/javascript: Implement Database.open (Lucas Forato)
• add libsql_disable_wal_checkpoint (Pedro Muniz)
• Add a threshold for large page cache values (Krishna Vishal)
• Rollback schema support (Pere Diaz Bou)
• add a README for the rust bindings (Glauber Costa)
• add a basic readme for the typescript binding (Glauber Costa)
• add a benchmark for connection time versus number of tables (Glauber Costa)
• Add opening new connection from a sqlite compatible URI, read-only connections (Preston Thorpe)
• Simplify PseudoCursor implementation (Levy A.)
• bind/js: add tests for expand (Mikaël Francoeur)

Updated

• Gopher is biologically closer to beavers than hamsters (David Shekunts)
• build: Update cargo-dist to 0.28.6 (Pekka Enberg)
• cli: Fail import command if table does not exists (Pekka Enberg)
• Assert I/O read and write sizes (Pere Diaz Bou)
• do not check rowid alias for null (Nikita Sivukhin)
• CDC functions (Nikita Sivukhin)
• Ignore double quotes around table names (Zaid Humayun)
• Efficient Record Comparison and Incremental Record Parsing (Krishna Vishal)
• parse_schema_rows optimizations (Levy A.)
• Simulator - only output color on terminal (Mikaël Francoeur)
• Btree: more balance docs (Jussi Saurio)
• btree: Improve balance non root docs (Jussi Saurio)
• properly set last_checksum after recovering wal (Pere Diaz Bou)
• btree/chore: remove unnecessary parameters to .cell_get() (Jussi Saurio)
• core/btree: Make cell field names consistent (Jussi Saurio)
• Enforce TCL 8.6+ in compatibility tests (Mikaël Francoeur)
• Minor refactoring of btree (meteorgan)
• bindings/python: Start transaction implicitly in execute() (Pekka Enberg)
• sqlite3_ondisk: generalize left-child-pointer reading function to both index/table btrees (Jussi Saurio)
• sim: post summary to slack (Jussi Saurio)
• stress clippy (Jussi Saurio)
• Synchronize WAL checkpointing (Pere Diaz Bou)
• Reachable assertions in Antithesis Python Test for better logging (Pedro Muniz")
• bindings/python: close connection only when reference count is one (Pere Diaz Bou)
• parser: use YYSTACKDEPTH (Lâm Hoàng Phúc)
• CI: remove duplicate fuzz run (Jussi Saurio)
• Use binary search in find_cell() (Ihor Andrianov)
• Use str_to_f64 on float conversion (Levy A.)
• parser: replace KEYWORDS with matching (Lâm Hoàng Phúc)
• Reachable assertions in Antithesis Python Test for better logging (Pedro Muniz)
• treat ImmutableRecord as Value::Blob (Nikita Sivukhin)
• remove experimental_flag from script + remove -q flag default flag from TestTursoShell (Pedro Muniz)
• Change data capture (Nikita Sivukhin)
• Import subset of SQLite TCL tests (Pekka Enberg)
• bindings/java: Merge JavaScript test suites (Mikaël Francoeur)
• Import JavaScript bindings test suite from libSQL (Mikaël Francoeur)
• bindings/java: Rename to Turso (Diego Reis)
• Antithesis schema rollback tests (Pekka Enberg)
• Disable adaptive colors when output_mode is list (meteorgan)
• core/storage: Switch to turso_assert in btree.rs (Pekka Enberg)
• core: Disable ROLLBACK statement (Pekka Enberg")
• Rust binding improvements (Pedro Muniz")
• from_uri was not passing mvcc and indexes flag to database creation for memory path (Pedro Muniz)
• Turso, not Limbo, in pyproject.toml (Simon Willison)
• Rename Limbo -> Turso in python tests (Preston Thorpe)
• clarify discord situation (Glauber Costa)
• automatically select terminal colors for pretty mode (Glauber Costa)
• remote query_mode from ProgramBuilderOpts and from function arguments (Nikita Sivukhin)
• limbo -> turso (Glauber Costa)
• Rust binding improvements (Pedro Muniz)

Fixed

• test/fuzz: fix rowid_seek_fuzz not being a proper fuzz test (Jussi Saurio)
• b-tree: fix bug in case when no matching rows was found in seek in the leaf page (Nikita Sivukhin)
• Fix clippy errors for Rust 1.88.0 (Nils Koch)
• sim: return LimboError::Busy when busy, instead of looping forever (Jussi Saurio)
• btree/balance/validation: fix divider cell insert validation (Jussi Saurio)
• btree/balance/validation: fix use-after-free in rightmost ptr validation (Jussi Saurio)
• core/translate: Fix "misuse of aggregate function" error message (Pekka Enberg)
• core/translate: Return error if SELECT needs tables and there are none (Mikaël Francoeur)
• antithesis: Fix transaction management (Pekka Enberg)
• core: Fix resolve_function() error messages (Pekka Enberg)
• VDBE: fix op_insert re-entrancy (Jussi Saurio)
• VDBE: fix op_idx_insert re-entrancy (Jussi Saurio)
• bindings/javascript: Improve error handling compatibility with better-sqlite3 (Mikaël Francoeur)
• uv run ruff format && uv run ruff check --fix (Jussi Saurio)
• vdbe: fix compilation (Pere Diaz Bou)
• core/translate: Fix aggregate star error handling in prepare_one_sele… (Pekka Enberg)
• Fix infinite loops, rollback problems, and other bugs found by I/O fault injection (Pedro Muniz)
• core/translate: Unify no such table error messages (Pekka Enberg)
• Fix ScalarFunc::Glob to handle NULL and other value types (Krishna Vishal)
• fix: buffer pool is not thread safe problem (KaguraMilet)
• Fix index update when INTEGER PRIMARY KEY (rowid alias) (Adrian-Ryan Acala)
• Fix Python test import naming (Pedro Muniz)
• Fix boxed memory leaks (Ihor Andrianov)
• bindings/javascript: Formatting and typos (Mikaël Francoeur)

0.1.1 -- 2025-06-30

Fixed

• JavaScript packaging (Pekka Enberg)

Updated

• simulator: FsyncNoWait + Faulty Query (Pedro Muniz)

0.1.0 -- 2025-06-30

Added

• bindings/rust: Add feature flag to enable indexes (Pekka Enberg)
• core: Add Antithesis-aware turso_assert (Pekka Enberg)
• Fix database header contents on initialization (Pere Diaz Bou)
• Support insersect operator for compound select (meteorgan)
• Simulator: add latency to File IO (Pedro Muniz)
• write page1 on database initialization (Pere Diaz Bou)
• Rollback simple support (Pere Diaz Bou)
• core/db&pager: fix locking for initializing empty database (Jussi Saurio)
• sim: add Fault::ReopenDatabase (Jussi Saurio)
• Fix database header initialization (Diego Reis)
• Add Pedro to email recipients for antithesis (Pedro Muniz)
• bindings/rust: Implement Debug for Connection (Charlie)
• Fix: add uv sync to all packages for pytest github action (Pedro Muniz)
• Implement RowData opcode (meteorgan)
• Support indent for Goto opcode when executing explain (meteorgan)

Updated

• core: Disable ROLLBACK statement (Pekka Enberg)
• WAL record db_size frame on commit last frame (Pere Diaz Bou)
• Eliminate core extension dependencies (Pekka Enberg)
• Move completion extension dependency to CLI (Pekka Enberg)
• Rename limbo crate to turso (Pekka Enberg)
• Rename limbo_sqlite3_parser crate to turso_sqlite3_parser (Pekka Enberg)
• Rename limbo_ext crate to turso_ext (Pekka Enberg)
• Rename limbo_macros to turso_macros (Pekka Enberg)
• stress: Log reopen and reconnect (Pekka Enberg)
• Rename limbo_core crate to turso_core (Pekka Enberg)
• github: Run simulator on pull requests (Pekka Enberg)
• bindings/rust: Named params (Andika Tanuwijaya)
• Rename Limbo to Turso in the README and other files (Glauber Costa)
• Remove dependency on test extension pkg (Preston Thorpe)
• Cache reserved_space and page_size values at Pager init to prevent doing redundant IO (Krishna Vishal)
• cli: Rename CLI to Turso (Pekka Enberg)
• bindings/javascript: Rename package to @tursodatabase/turso (Pekka Enberg)
• bindings/python: Rename package to pyturso (Pekka Enberg)
• Rename Limbo to Turso Database (Pekka Enberg)
• Bring back TPC-H benchmarks (Pekka Enberg)
• Switch to runtime flag for enabling indexes (Pekka Enberg)
• stress: reopen db / reconnect to db every now and then (Jussi Saurio)
• Bring back some merge conflicts code (Pedro Muniz)
• simulator: integrity check per query (Pedro Muniz)
• stress: Improve progress reporting (Pekka Enberg)
• Improve extension compatibility testing (Piotr Rżysko)
• Ephemeral Table in Update (Pedro Muniz)
• Use UV more in python related scripts and actions (Pedro Muniz)
• Copy instrumented image and symbols in Dockerfile.antithesis (eric-dinh-antithesis)
• op_transaction end_read_tx in case of begin_write_tx is busy (Pere Diaz Bou)
• antithesis-tests: Make test drivers robust when database is locked (Pekka Enberg)

Fixed

• tests/integration: Fix write path test on Windows (Pekka Enberg)
• Fix deleting previous rowid when rowid is in the Set Clause (Pedro Muniz)
• Fix executing multiple statements (Pere Diaz Bou)
• Fix evaluation of ISNULL/NOTNULL in OR expressions (Piotr Rżysko)
• bindings/javascript: Fix StepResult:IO handling (Pekka Enberg)
• fix: use uv run instead of uvx for Pytest (Pedro Muniz)
• sim: when loading bug, dont panic if there are no runs (Jussi Saurio)
• sim: fix singlequote escaping and unescaping (Jussi Saurio)
• Fix btree balance and seek after overwritten cell overflows (Jussi Saurio)
• chore: fix clippy warnings (Nils Koch)
• Fix CI errors (Piotr Rżysko)
• Fix infinite aggregation loop when sorting is not required (Piotr Rżysko)
• Fix DELETE not emitting constant WhereTerms (Pedro Muniz)
• Fix handling of non-aggregate expressions (Piotr Rżysko)
• Fix fuzz issue #1763 by using the log2 & log10 functions where applicable (Luca Muscat)

0.0.22 -- 2025-06-19

Added

• Implement pragma wal_checkpoint() (Pedro Muniz)
• Add abbreviated alias for .quit and .exit (Krishna Vishal)
• Add manual WAL sync before checkpoint in con.close, fix async bug in checkpoint (Preston Thorpe)
• Complete ALTER TABLE implementation (Levy A.)
• Add affinity-based type coercion for seek and comparison operation (Krishna Vishal)
• bindings/javascript: Add pragma() support (Anton Harniakou)
• Add sleep between write tests to avoid database locking issues (Pedro Muniz)
• bindings/java: Implement JDBC4DatabaseMetadata getTables (Kim Seon Woo)
• bindings/javascript: Add source property to Statement (Anton Harniakou)
• Support sqlite_master schema table name alias (Anton Harniakou)
• js-bindings/implement .name property (Anton Harniakou)
• bindings/java: Add support for Linux build (Diego Reis)
• bindings/javascript: Add database property to Statement (Anton Harniakou)
• simulator: add CREATE INDEX to interactions (Jussi Saurio)
• Add support for pragma table-valued functions (Piotr Rżysko)
• bindings/javascript: Add proper exec() method and raw() mode (Diego Reis)
• Add simulator-docker-runner for running limbo-sim in a loop on AWS (Jussi Saurio)
• simulator: add option to disable BugBase (Jussi Saurio)
• simulator: switch to tracing, run io.run_once and add update queries (Pere Diaz Bou)
• Fix: aggregate regs must be initialized as NULL at the start (Jussi Saurio)
• add stress test with 1 thread 10k iterations to ci (Pere Diaz Bou)

Updated

• antithesis: Build Python package from sources (Pekka Enberg)
• overwrite sqlite3 in install_sqlite (Pere Diaz Bou)
• stress: Run integrity check for every iteration (Pekka Enberg)
• core: Clean up integrity_check() (Pekka Enberg)
• Simple integrity check on btree (Pere Diaz Bou)
• Make SQLite bindings thread-safe (Pekka Enberg)
• Switch Connection to use Arc instead of Rc (Pekka Enberg)
• Drop unused code in op_column (meteorgan)
• NOT NULL constraint (Anton Harniakou)
• Simulator Ast Generation + Simulator Unary Operator + Refactor to use limbo_core::Value in Simulator for massive code reuse (Pedro Muniz)
• Refactor compound select (meteorgan)
• Disable index usage in DELETE because it does not work safely (Jussi Saurio)
• Simulator: Better Shrinking (Pedro Muniz)
• Simulator integrity_check (Pedro Muniz)
• Remove leftover info trace (Jussi Saurio)
• Namespace functions that operate on Value (Pedro Muniz)
• Remove plan.to_sql_string() from optimize_plan() as it panics on TODOs (Jussi Saurio)
• Minor: use use_eq_ignore_ascii_case in some places (Anton Harniakou)
• Remove the FromValue trait (Anton Harniakou)
• bindings/javascript: Refactor presentation mode and enhance test suite (Diego Reis)
• Beginnings of AUTOVACUUM (Zaid Humayun)
• Reverse Parse Limbo ast and Plans (Pedro Muniz)
• simulator: log the interaction about to be executed with INFO (Jussi Saurio)
• stress: Use temporary file unless one explicitly specified (Jussi Saurio)
• Write database header via normal pager route (meteorgan)
• simulator: options to disable certain query types (Pedro Muniz)
• Make cursor seek reentrant (Pedro Muniz)
• Pass input string to translate function (Pedro Muniz)
• Small tracing enhancement (Pedro Muniz)
• Adjust write cursors for delete to avoid opening more than once. (Pedro Muniz)
• Convert u64 rowid to i64 (Pere Diaz Bou)
• Use tempfile in constraint test (Jussi Saurio)
• Remove frame id from key (Pere Diaz Bou)
• clear page cache on transaction failure (Pere Diaz Bou)

Fixed

• Fix incorrect lossy conversion of Value::Blob to a utf-8 String (Luca Muscat)
• Fix update queries to set n_changes (Kim Seon Woo)
• bindings/rust: Fix Rows::next() I/O dispatcher handling (Pekka Enberg)
• cli: fix panic of queries with less than 7 chars (Nils Koch)
• Return parse error instead of corrupt error for no such table (Pedro Muniz)
• simulator: disable all ansi encodings for debug print log file (Pedro Muniz)
• Fix large inserts to unique indexes hanging (Jussi Saurio)
• betters instrumentation for btree related operations + cleaner debug for RefValue (Pedro Muniz)
• sim/aws: fix vibecoding errors in logic (Jussi Saurio)
• Fix incorrect handling of OR clauses in HAVING (Jussi Saurio)
• fix: Incorrect placeholder label in where clause translation (Pedro Muniz)
• Fix rowid to_sql_string (Pedro Muniz)
• Fix incorrect usage of indexes with non-contiguous columns (Jussi Saurio)
• BTree traversal refactor and bugfixes (Pere Diaz Bou)
• LimboRwLock write and read lock fixes (Pere Diaz Bou)
• fix: make keyword_token safe by validating UTF-8 input (ankit)
• Fix UPDATE straight up not working on non-unique indexes (Jussi Saurio)
• Fix: ensure PRAGMA cache_size changes persist only for current session (meteorgan)
• sim/aws: fix sim timeout handling (Jussi Saurio)
• Fix WAL frame checksum mismatch (Diego Reis)
• Set maximum open simulator-created issues (Jussi Saurio)
• Fix cursors not being opened for indexes in DELETE (Jussi Saurio)
• Fix: allow DeferredSeek on more than one cursor per program (Jussi Saurio)
• Fix stress test to ignore unique constraint violation (krishna sindhur)
• Fix ProgramBuilder::cursor_ref not having unique keys (Jussi Saurio)
• Fix serialize() unreachable panic (Krishna Vishal)
• Btree: fix cursor record state not being updated in insert_into_page() (Jussi Saurio)

0.0.21 - 2025-05-28

Added

• Add Schema reference to Resolver - needed for adhoc subquery planning (Jussi Saurio)
• Use the SetCookie opcode to implement user_version pragma (meteorgan)
• Add libsql_wal_get_frame() API (Pekka Enberg)
• Fix bug: op_vopen should replace cursor slot, not add new one (Jussi Saurio)
• bind/js: Add support for bind() method and reduce boilerplate (Diego Reis)
• Add PThorpe92 to codeowners file for extensions + go bindings (Preston Thorpe)
• Refactor: add stable internal_id property to TableReference (Jussi Saurio)
• refactor: introduce walk_expr() and walk_expr_mut() to reduce repetitive pattern matching (Jussi Saurio)
• Add some comments for values statement (meteorgan)
• fix bindings/wasm wal file creation by implementing generate_random_number (오웬)
• core/pragma: Add support for update user_version (Diego Reis)
• Support values statement and values in select (meteorgan)
• Initial Support for Nested Translation (Pedro Muniz)
• bindings/rust: Add pragma methods (Diego Reis)
• Add collation column to Index struct (Jussi Saurio)
• Add support for DISTINCT aggregate functions (Jussi Saurio)
• bindings/javascript: Add Statement.iterate() method (Diego Reis)
• (btree): Implement support for handling offset-based payload access with overflow support (Krishna Vishal)
• Add labeler workflow and reorganize macros (Preston Thorpe)
• Update Nyrkiö change detection to newest version (Henrik Ingo)
• perf/ci: add basic tpc-h benchmark (Jussi Saurio)
• Add libsql_wal_frame_count() API (Pekka Enberg)
• Restructure optimizer to support join reordering (Jussi Saurio)
• Add rustfmt to rust-toolchain.toml (Pekka Enberg)

Updated

• Make WhereTerm::consumed a Cell (Jussi Saurio)
• Use lifetimes in walk_expr() to guarantee that child expr has same lifetime as parent expr (Jussi Saurio)
• Small VDBE insn tweaks (Jussi Saurio)
• Reset idx delete state after successful finish (Pere Diaz Bou)
• feature: INSERT INTO <table> SELECT (Pedro Muniz)
• Small cleanups to pager/wal/vdbe - mostly naming (Jussi Saurio)
• bindings/javascript: API enhancements (Diego Reis)
• github: Migrate workflows to Blacksmith runners (blacksmith-sh[bot])
• UNION (Jussi Saurio)
• xConnect for virtual tables to query core db connection (Preston Thorpe)
• Reconstruct WAL frame cache when WAL is opened (Jussi Saurio)
• set non-shared cache by default (Pere Diaz Bou)
• TPC-H with criterion and nyrkio (Pedro Muniz)
• UNION ALL (Jussi Saurio)
• Drop Table OpCodes Use Ephemeral Table As Scratch Table (Zaid Humayun)
• sqlite3-parser: Remove scanner trace-logging (Pekka Enberg)
• sqlite3: Switch to tracing logger (Pekka Enberg)
• CSV virtual table extension (Piotr Rżysko)
• remove detection of comments in the middle of query in cli (Pedro Muniz)
• btree: Remove assumption that all btrees have a rowid (Jussi Saurio)
• Output rust backtrace in python tests (Preston Thorpe)
• Optimization: lift common subexpressions from OR terms (Jussi Saurio)
• refactor: replace Operation::Subquery with Table::FromClauseSubquery (Jussi Saurio)
• Feature: Collate (Pedro Muniz)
• Update README.md (Yusheng Guo)
• Mark WHERE terms as consumed instead of deleting them (Jussi Saurio)
• Cli config 2 (Pedro Muniz)
• pager: bump default page cache size from 10 to 2000 pages (Jussi Saurio)
• long fuzz tests ci on btree changes (Pere Diaz Bou)
• Document how to run cargo test on Ubuntu (Zaid Humayun)
• test page_free_array (Pere Diaz Bou)
• Rename OwnedValue -> Value (Pekka Enberg)
• Improve SQLite3 C API tests (Pekka Enberg)
• github: Disable setup-node yarn cache (Pekka Enberg)
• Update Unique constraint for Primary Keys and Indexes (Pedro Muniz)

Fixed

• Fix LIMIT handling (Jussi Saurio)
• Fix off-by-one error in max_frame after WAL load (Jussi Saurio)
• btree: fix infinite looping in backwards iteration of btree table (Jussi Saurio)
• Fix labeler labeling everything as Extensions-Other (Jussi Saurio)
• Fix bug in op_decr_jump_zero() (Jussi Saurio)
• Page cache fixes (Pere Diaz Bou)
• cli/fix: Apply default config for app (Diego Reis)
• Fix labeler (Jussi Saurio)
• Improve debug build validation speed (Pere Diaz Bou)
• optimizer: fix order by removal logic (Jussi Saurio)
• Fix updating single value (Pedro Muniz)
• Autoindex fix (Pedro Muniz)
• use temporary db in sqlite3 wal tests to fix later tests failing (Preston Thorpe)
• fix labeler correct file name extension use .yml instead of .yaml (Mohamed A. Salah)
• Fix autoindex of primary key marked as unique (Pere Diaz Bou)
• Fix: unique contraint in auto index creation (Pedro Muniz)

0.0.20 - 2025-05-14

Added

• Support isnull and notnull expr (meteorgan)
• Add drop index (Anton Harniakou)
• bindings/wasm: add types property for typescript setting (오병진)
• Implement transaction support in Go adapter (Jonathan Ness)
• Initial implementation of ALTER TABLE RENAME (Levy A.)
• Add time.Time and bool data types support in Go adapter (Jonathan Ness)
• Add tests for INSERT with specified column-name list (Anton Harniakou)
• GROUP BY: refactor logic to support cases where no sorting is needed (Jussi Saurio)
• Add embedded library support to Go adapter (Jonathan Ness)
• Add time.Time support to Go driver parameter binding (Jonathan Ness)
• Show explanation for the NewRowid opcode (Anton Harniakou)
• Add notion of join ordering to plan (Jussi Saurio)
• Add static feature to Cargo.toml to support extensions written inside core (Pedro Muniz)
• implement Clone for Arc types (Pete Hayman)
• Add PRAGMA schema_version (Anton Harniakou)
• Support literal-value current_time, current_date and current_timestamp (meteorgan)
• Add state machine for op_idx_delete + DeleteState simplification (Pere Diaz Bou)
• Add the .indexes command (Anton Harniakou)
• Optimization: only initialize Rustyline if we are in a tty (Pedro Muniz)
• Add Antithesis Tests (eric-dinh-antithesis)
• core/types: remove duplicate serialtype implementation (Jussi Saurio)
• bindings/rust: Add Statement.columns() support (Timo Kösters)
• docs: add Rust to "Getting Started" section (Timo Kösters)
• Support xBestIndex in vtab API (Preston Thorpe)
• Feat: add support for descending indexes (Jussi Saurio)

Updated

• github: Ensure rustmft is installed (Pekka Enberg)
• btree: Coalesce free blocks in page_free_array() (Mohamed Hossam)
• Count optimization (Pedro Muniz)
• bindings/java: Remove disabled annotation for UPDATE and DELETE (Kim Seon Woo)
• Refactor numeric literal (meteorgan)
• EXPLAIN should show a comment for the Insert opcode (Anton Harniakou)
• bindings/javascript: Improve compatibility with better-sqlite (Diego Reis)
• bindings/go: Upgrade ebitengine/purego to allow for use with go 1.23.9 (Preston Thorpe)
• Adjust vtab schema creation to display the underlying columns (Preston Thorpe)
• Read only mode (Pedro Muniz)
• Test that DROP TABLE also deletes the related indices (Anton Harniakou)
• reset statement before executing in rust binding (Pedro Muniz)
• Bump assorted dependencies (Preston Thorpe)
• Eliminate a superfluous read transaction when doing PRAGMA user_version (Anton Harniakou)
• update index on updated indexed columns (Pere Diaz Bou)
• Save history on exit (Piotr Rżysko)
• btree/tablebtree_move_to: micro-optimizations (Jussi Saurio)
• refactor database open_file and open (meteorgan)
• Give name to hard-coded page_size values (Anton Harniakou)
• Performance: hoist entire expressions out of hot loops if they are constant (Jussi Saurio)
• Feature: Composite Primary key constraint (Pedro Muniz)
• types: refactor serialtype again to make it faster (Jussi Saurio)
• replace vec with array in btree balancing (Lâm Hoàng Phúc)
• Pragma page size reading (Anton Harniakou)
• perf/btree: use binary search for Index seek operations (Jussi Saurio)
• expr.is_nonnull(): return true if col.primary_key || col.notnull (Jussi Saurio)
• Numeric Types Overhaul (Levy A.)
• Python script to compare vfs performance (Preston Thorpe)
• Create an automatic ephemeral index when a nested table scan would otherwise be selected (Jussi Saurio)
• Bump julian_day_converter to 0.4.5 (meteorgan)
• btree: avoid reading entire cell when only rowid needed (Jussi Saurio)
• btree: use binary search in seek/move_to for table btrees (Jussi Saurio)
• Feat: Covering indexes (Jussi Saurio)
• allow index entry delete (Pere Diaz Bou)

Fixed

• testing/py: rename debug_print() to run_debug() (Jussi Saurio)
• Fix handling of empty strings in prepared statements (Diego Reis)
• CREATE VIRTUAL TABLE fixes (Piotr Rżysko)
• Bindings/Go: Fix symbols for FFI calls (Preston Thorpe)
• Fix bound parameters on insert statements with out of order column indexes (Preston Thorpe)
• Fix memory leak caused by unclosed virtual table cursors (Piotr Rżysko)
• Fix panic on async io due to reading locked page (Preston Thorpe)
• Fix bug: we cant remove order by terms from the head of the list (Jussi Saurio)
• Fix setting default value for primary key on UPDATE (Pere Diaz Bou)
• Fix: allow page_size=65536 (meteorgan)
• Fix page_count pragma (meteorgan)
• Fix broken fuzz target due to old name (Levy A.)
• Emit IdxDelete instruction and some fixes on seek after deletion (Pere Diaz Bou)
• Bugfix: Explain command should display syntax errors in CLI (Anton Harniakou)
• Fix incorrect between expression documentation (Pedro Muniz)
• Fix bug: left join null flag not being cleared (Jussi Saurio)
• Fix out of bounds access on parse_numeric_str (Levy A.)
• Fix post balance validation (Pere Diaz Bou)

0.0.19 - 2025-04-16

Added

• Add BeginSubrtn, NotFound and Affinity bytecodes (Diego Reis)
• Add Ansi Colors to tcl test runner (Pedro Muniz)
• support modifiers for julianday() (meteorgan)
• Implement Once and OpenAutoindex opcodes (Jussi Saurio)
• Add support for OpenEphemeral bytecode (Diego Reis)
• simulator: Add Bug Database(BugBase) (Alperen Keleş)
• feat: Add timediff data and time function (Sachin Kumar Singh)
• core/btree: Add PageContent::new() helper (Pekka Enberg)
• Add support to load log file with stress test (Pere Diaz Bou)
• Support UPDATE for virtual tables (Preston Thorpe)
• Add .timer command to print SQL execution statistics (Pere Diaz Bou)
• Strict table support (Ihor Andrianov)
• Support backwards index scan and seeks + utilize indexes in removing ORDER BY (Jussi Saurio)
• Add deterministic Clock (Avinash Sajjanshetty)
• Support offset clause in Update queries (Preston Thorpe)
• Support Create Index (Preston Thorpe)
• Support insert default values syntax (Preston Thorpe)
• Add support for default values in INSERT statements (Diego Reis)

Updated

• Test: write tests for file backed db (Pedro Muniz)
• btree: move some blocks of code to more reasonable places (Jussi Saurio)
• Parse hex integers 2 (Anton Harniakou)
• More index utils (Jussi Saurio)
• Index utils (Jussi Saurio)
• Feature: VDestroy for Dropping Virtual Tables (Pedro Muniz)
• Feat balance shallower (Lâm Hoàng Phúc)
• Parse hexidecimal integers (Anton Harniakou)
• Code clean-ups (Diego Reis)
• Return null when parameter is unbound (Levy A.)
• Enhance robusteness of optimization for Binary expressions (Diego Reis)
• Check that index seek key members are not null (Jussi Saurio)
• Better diagnostics (Pedro Muniz)
• simulator: provide high level commands on top of a single runner (Alperen Keleş)
• build(deps-dev): bump vite from 6.0.7 to 6.2.6 in /bindings/wasm/test-limbo-pkg (dependabot[bot])
• btree: remove IterationState (Jussi Saurio)
• build(deps): bump pyo3 from 0.24.0 to 0.24.1 (dependabot[bot])
• Multi column indexes + index seek refactor (Jussi Saurio)
• Emit ANSI codes only when tracing is outputting to terminal (Preston Thorpe)
• B-Tree code cleanups (Pekka Enberg)
• btree index selection on rightmost pointer in balance_non_root (Pere Diaz Bou)
• io/linux: make syscallio the default (io_uring is really slow) (Jussi Saurio)
• Stress improvements (Pekka Enberg)
• VDBE code cleanups (Pekka Enberg)
• Memory tests to track large blob insertions (Pedro Muniz)
• Setup tracing to allow output during test runs (Preston Thorpe)
• allow insertion of multiple overflow cells (Pere Diaz Bou)
• Properly handle insertion of indexed columns (Preston Thorpe)
• VTabs: Proper handling of re-opened db files without the relevant extensions loaded (Preston Thorpe)
• Account divider cell in size while distributing cells (Pere Diaz Bou)
• Format infinite float as "Inf"/"-Inf" (jachewz)
• update sqlite download version to 2025 + remove www. (Pere Diaz Bou)
• Improve validation of btree balancing (Pere Diaz Bou)
• Aggregation without group by produces incorrect results for scalars (Ihor Andrianov)
• Dot command completion (Pedro Muniz)
• Allow reading altered tables by defaulting to null in Column insn (Preston Thorpe)
• docs(readme): update discord link (Jamie Barton)
• More VDBE cleanups (Pekka Enberg)
• Request load page on insert_into_page (Pere Diaz Bou)
• core/vdbe: Rename execute_insn_* to op_* (Pekka Enberg)
• Remove RWLock from Shared wal state (Pere Diaz Bou)
• VDBE with indirect function dispatch (Pere Diaz Bou)

Fixed

• Fix truncation of error output in tests (Pedro Muniz)
• Fix Unary Negate Operation on Blobs (Pedro Muniz)
• Fix incompatibility AND Operation (Pedro Muniz)
• Fix: comment out incorrect assert in fuzz (Pedro Muniz)
• Fix two issues with indexes (Jussi Saurio)
• Fuzz fix some operations (Pedro Muniz)
• simulator: updates to bug base, refactors (Alperen Keleş)
• Fix overwrite cell with size less than cell size (Pere Diaz Bou)
• Fix EXPLAIN to be case insensitive (Pedro Muniz)
• core: Fix syscall VFS on Linux (Pekka Enberg)
• Index insert fixes (Pere Diaz Bou)
• Decrease page count on balancing fixes (Pere Diaz Bou)
• Remainder fixes (jachewz)
• Fix virtual table translation issues (Preston Thorpe)
• Fix overflow position in write_page() (Lâm Hoàng Phúc)

0.0.18 - 2025-04-02

Added

• Jsonb support update (Ihor Andrianov)
• Add BTree balancing after delete (Krishna Vishal)
• Introduce Register struct (Pere Diaz Bou)
• Introduce immutable record (Pere Diaz Bou)
• Introduce libFuzzer (Levy A.)
• WAL frame checksum support (Daniel Boll)
• Initial JavaScript bindings with napi-rs (Pekka Enberg)
• Initial pass at UPDATE support (Preston Thorpe)
• Add commit() and placeholding insert to Python binding (Diego Reis)

Updated

• Create plan for Update queries (Preston Thorpe)
• Validate cells inside a page after each operation (Pere Diaz Bou)
• Refactor Cli Repl Commands to use clap (Pedro Muniz)
• Allow balance_root to balance with interior pages (Pere Diaz Bou)
• Let remainder (%) accept textual arguments (Anton Harniakou)
• JSON code cleanups (Pekka Enberg)
• Allocation improvements with ImmutableRecord, OwnedRecord and read_record (Pere Diaz Bou)
• JavaScript binding improvements (Pekka Enberg)
• Kill test environment (Pekka Enberg)
• Remove public unlock method from SpinLock to prevent unsafe aliasing (Krishna Vishal)
• Handle limit zero case in query plan emitter (Preston Thorpe)
• Reduce MVCC cursor memory consumption (Ihor Andrianov)
• Unary + is a noop (Levy A.)
• JSON cache (Ihor Andrianov)
• Bump rusqlite to 0.34 (Pere Diaz Bou)
• core: Rename FileStorage to DatabaseFile (Pekka Enberg)
• Improve Python bindings (Diego Reis)
• Schema translation cleanups (Pekka Enberg)
• Various JSON improvements (Ihor Andrianov)
• Enable pretty mode in shell by default (Pekka Enberg)
• Improve CLI color scheme (Pekka Enberg)
• Impl Copy on some types in the pager to prevent explicit clones (Preston Thorpe)
• Syntax highlighting and hinting (Pedro Muniz)
• chore: gitignore files with an extension *.db (Anton Harniakou)
• Organize extension library and feature gate VFS (Preston Thorpe)
• fragment bench functions (Pere Diaz Bou)

Fixed

• Remove unnecessary balance code that crashes (Pere Diaz Bou)
• Fix propagation of divider cell balancing interior page (Pere Diaz Bou)
• Fuzz test btree fix seeking. (Pere Diaz Bou)
• Fix IdxCmp insn comparisons (Jussi Saurio)
• Fixes probably all floating point math issues and floating point display issues. (Ihor Andrianov)
• Make BTreeCell/read_payload not allocate any data + overflow fixes (Pere Diaz Bou)
• Fix compute_shl negate with overflow (Krishna Vishal)
• Fix a typo in README.md (Tshepang Mbambo)
• Fix platform specific FFI C pointer type casts (Preston Thorpe)
• core: Fix Destroy opcode root page handling (Pekka Enberg)
• Fix SELECT 0.0 = 0 returning false (lgualtieri75)
• bindings/python: Fix flaky tests (Diego Reis)
• Fix io_uring WAL write corruption by ensuring buffer lifetime (Daniel Boll)

0.0.17 - 2025-03-19

Added

• BEGIN DEFERRED support (Diego Reis)
• Experimental MVCC integration (Pekka Enberg)
• DROP TABLE support (Zaid Humayun)
• Initial pass on Virtual FileSystem extension module (Preston Thorpe)
• JSONB support (Ihor Andrianov)
• Shell command completion (Pedro Muniz)

Updated

Fixed

• Fixes and improvements to Rust bindings (yirt grek and 南宫茜)
• Transaction management fixes (Pere Diaz Bou and Diego Reis)
• JSON function fixes (Ihor Andrianov)

0.0.16 - 2025-03-05

Added

• Virtual table support (Preston Thorpe)
• Improvements to Java bindings (Kim Seon Woo)
• Improvements to Rust bindings (Pekka Enberg)
• Add sqlean ipaddr extension (EmNudge)
• Add "dump" and "load" to the help menu (EmNudge)
• Initial Antithesis testing tool (Pekka Enberg)

Fixed

• SQLite B-Tree balancing algorithm (Pere Diaz Bou)
• B-Tree improves and fixes (Pere Diaz Bou and Perston Thorpe)
• Display blobs as blob literals in .dump (from Mohamed Hossam)
• Fix wrong count() result if the column specified contains a NULL (lgualtieri75)
• Fix casting text to integer to match SQLite' (Preston Thorpe)
• Improve SELECT 1 performance to be on par with SQLite (Pekka Enberg)
• Fix offset_sec normalization in extensions/time (meteorgan)
• Handle parsing URI according to SQLite specification (Preston Thorpe)
• Escape character is ignored in LIKE function (lgualtieri75)
• Fix cast_text_to_number compatibility (Pedro Muniz)
• Modify the LIKE function to work with all types (Mohamed Hossam)

0.0.15 - 2025-02-18

Added

Core:

• Initial pass on virtual tables (Preston Thorpe)
• Import MVCC code to the source tree -- not enabled (Pekka Enberg, Piotr Sarna, Avinash Sajjanshetty)
• Implement json_set (Marcus Nilsson)
• Initial support for WITH clauses (common table expressions) (Jussi Saurio)
• BEGIN IMMEDIATE + COMMIT support (Pekka Enberg)
• BEGIN EXCLUSIVE support (Pekka Enberg)
• Add Printf Support (Zaid Humayun)
• Add support for delete row (Krishna Vishal)
• Implement json_quote (Pedro Muniz)
• Add read implementation of user_version pragma with ReadCookie opcode (Jonathan Webb)
• Json path refine (Ihor Andrianov)
• cli: Basic dump support (Glauber Costa)
• Support numeric column references in GROUP BY (Jussi Saurio)
• Implement the legacy_file_format pragma (Glauber Costa)
• Added IdxLE and IdxLT opcodes (Omolola Olamide)

*Java bindings:

• Improve JDBC support with, for example, prepared statements (Kim Seon Woo)
• Rename package name tech.turso (Kim Seon Woo)

Extensions:

• Sqlean Crypto extension (Diego Reis)
• Sqlean Time extension (Pedro Muniz)
• Add support for regexp_replace() (lgualtieri75)

Simulator:

• Add NoREC testing property (Alperen Keleş)
• Add --differential mode against SQLite (Alperen Keleş)

Fixed

Core:

• Fix 24/48 bit width serial types parsing (Nikita Sivukhin)
• Fix substr (Nikita Sivukhin)
• Fix math binary (Nikita Sivukhin)
• Fix and predicate (Nikita Sivukhin)
• Fix IdxGt, IdxGe, IdxLt, and IdxLe instructions (Jussi Saurio)
• Fix not evaling constant conditions when no tables in query (Jussi Saurio)
• Fix remainder panic on zero right-hand-side (Jussi Saurio)
• Fix invalid text columns generated by dump (Kingsley Yung)
• Fix incorrect CAST text->numeric if valid prefix is 1 char long (Jussi Saurio)
• Improve SQL statement prepare performance (Jussi Saurio)
• Fix VCC write conflict handling (Jussi Saurio)
• Fix various bugs in B-Tree handling (Nikita Sivukhin)
• Fix case and emit (Nikita Sivukhin)
• Fix coalesce (Nikita Sivukhin)
• Fix cast (Nikita Sivukhin)
• Fix string funcs (Nikita Sivukhin)
• Fix floating point truncation in JSON #877 (lgualtieri75)
• Fix bug with SELECT referring to a mixed-case alias (Jussi Saurio)

0.0.14 - 2025-02-04

Added

Core:

• Improve changes() and total_changes() functions and add tests (Ben Li)
• Add support for json_object function (Jorge Hermo)
• Implemented json_valid function (Harin)
• Implement Not (Vrishabh)
• Initial support for wal_checkpoint pragma (Sonny)
• Implement Or and And bytecodes (Diego Reis)
• Implement strftime function (Pedro Muniz)
• implement sqlite_source_id function (Glauber Costa)
• json_patch() function implementation (Ihor Andrianov)
• json_remove() function implementation (Ihor Andrianov)
• Implement isnull / not null for filter expressions (Glauber Costa)
• Add support for offset in select queries (Ben Li)
• Support returning column names from prepared statement (Preston Thorpe)
• Implement Concat opcode (Harin)
• Table info (Glauber Costa)
• Pragma list (Glauber Costa)
• Implement Noop bytecode (Pedro Muniz)
• implement is and is not where constraints (Glauber Costa)
• Pagecount (Glauber Costa)
• Support column aliases in GROUP BY, ORDER BY and HAVING (Jussi Saurio)
• Implement json_pretty (Pedro Muniz)

Extensions:

• Initial pass on vector extension (Pekka Enberg)
• Enable static linking for 'built-in' extensions (Preston Thorpe)

Go Bindings:

• Initial support for Go database/sql driver (Preston Thorpe)
• Avoid potentially expensive operations on prepare' (Glauber Costa)

Java Bindings:

• Implement JDBC ResultSet (Kim Seon Woo)
• Implement LimboConnection close() (Kim Seon Woo)
• Implement close() for LimboStatement and LimboResultSet (Kim Seon Woo)
• Implement methods in JDBC4ResultSet (Kim Seon Woo)
• Load native library from Jar (Kim Seon Woo)
• Change logger dependency (Kim Seon Woo)
• Log driver loading error (Pekka Enberg)

Simulator:

• Implement --load and --watch flags (Alperen Keleş)

Build system and CI:

• Add Nyrkiö change point detection to 'cargo bench' workflow (Henrik Ingo)

Fixed

• Fix select X'1'; causes limbo to go in infinite loop (Krishna Vishal)
• Fix rowid search codegen (Nikita Sivukhin)
• Fix logical codegen (Nikita Sivukhin)
• Fix parser panic when duplicate column names are given to CREATE TABLE (Krishna Vishal)
• Fix panic when double quoted strings are used for column names. (Krishna Vishal)
• Fix SELECT -9223372036854775808 result differs from SQLite (Krishna Vishal)
• Fix SELECT ABS(-9223372036854775808) causes limbo to panic. (Krishna Vishal)
• Fix memory leaks, make extension types more efficient (Preston Thorpe)
• Fix table with single column PRIMARY KEY to not create extra btree (Krishna Vishal)
• Fix null cmp codegen (Nikita Sivukhin)
• Fix null expr codegen (Nikita Sivukhin)
• Fix rowid generation (Nikita Sivukhin)
• Fix shr instruction (Nikita Sivukhin)
• Fix strftime function compatibility problems (Pedro Muniz)
• Dont fsync the WAL on read queries (Jussi Saurio)

0.0.13 - 2025-01-19

Added

• Initial support for native Limbo extensions (Preston Thorpe)

• npm packaging for node and web (Elijah Morgan)

• Add support for rowid keyword' (Kould)

• Add support for shift left, shift right, is and is not operators (Vrishabh)

• Add regexp extension (Vrishabh)

• Add counterexample minimization to simulator (Alperen Keleş)

• Initial support for binding values to prepared statements (Levy A.)

Updated

• Java binding improvements (Kim Seon Woo)

• Reduce liblimbo_sqlite3.a size' (Pekka Enberg)

Fixed

• Fix panics on invalid aggregate function arguments (Krishna Vishal)

• Fix null compare operations not giving null (Vrishabh)

• Run all statements from SQL argument in CLI (Vrishabh)

• Fix MustBeInt opcode semantics (Vrishabh)

• Fix recursive binary operation logic (Jussi Saurio)

• Fix SQL comment parsing in Limbo shell (Diego Reis and Clyde)

0.0.12 - 2025-01-14

Added

Core:

• Improve JSON function support (Kacper Madej, Peter Sooley)

• Support nested parenthesized conditional expressions (Preston Thorpe)

• Add support for changes() and total_changes() functions (Lemon-Peppermint)

• Auto-create index in CREATE TABLE when necessary (Jussi Saurio)

• Add partial support for datetime() function (Preston Thorpe)

• SQL parser performance improvements (Jussi Saurio)

Shell:

• Show pretty parse errors in the shell (Samyak Sarnayak)

• Add CSV import support to shell (Vrishabh)

• Selectable IO backend with --io={syscall,io-uring} argument (Jorge López Tello)

Bindings:

• Initial version of Java bindings (Kim Seon Woo)

• Initial version of Rust bindings (Pekka Enberg)

• Add OPFS support to Wasm bindings (Elijah Morgan)

• Support uncorrelated FROM clause subqueries (Jussi Saurio)

• In-memory support to sqlite3_open() (Pekka Enberg)

Fixed

• Make iterate() lazy in JavaScript bindings (Diego Reis)

• Fix integer overflow output to be same as sqlite3 (Vrishabh)

• Fix 8-bit serial type to encoding (Preston Thorpe)

• Query plan optimizer bug fixes (Jussi Saurio)

• B-Tree balancing fixes (Pere Diaz Bou)

• Fix index seek wrong on SeekOp::LT`SeekOp::GT` (Kould)

• Fix arithmetic operations for text values' from Vrishabh

• Fix quote escape in SQL literals (Vrishabh)

0.0.11 - 2024-12-31

Added

• Add in-memory mode to Python bindings (Jean Arhancet)

• Add json_array_length function (Peter Sooley)

• Add support for the UUID extension (Preston Thorpe)

Changed

• Enable sqpoll by default in io_uring (Preston Thorpe)

• Simulator improvements (Alperen Keleş)

Fixed

• Fix escaping issues with like and glob functions (Vrishabh)

• Fix sqlite_version() out of bound panics' (Diego Reis)

• Fix on-disk file format bugs (Jussi Saurio)

0.0.10 - 2024-12-18

Added

• In-memory mode (Preston Thorpe)

• More CLI improvements (Preston Thorpe)

• Add support for replace() function (Alperen Keleş)

• Unary operator improvements (Jean Arhancet)

• Add support for unex(x, y) function (Kacper Kołodziej)

Fixed

• Fix primary key handling when there's rowid and PK is not alias (Jussi Saurio)

0.0.9 - 2024-12-12

Added

• Improve CLI (Preston Thorpe)

• Add support for iif() function (Alex Miller)

• Add support for last_insert_rowid() function (Krishna Vishal)

• Add support JOIN USING and NATURAL JOIN (Jussi Saurio)

• Add support for more scalar functions (Kacper Kołodziej)

• Add support for HAVING clause (Jussi Saurio)

• Add get() and iterate() to JavaScript/Wasm API (Jean Arhancet)

0.0.8 - 2024-11-20

Added

• Python package build and example usage (Pekka Enberg)

0.0.7 - 2024-11-20

Added

• Minor improvements to JavaScript API (Pekka Enberg)
• CAST support (Jussi Saurio)

Fixed

• Fix issues found in-btree code with the DST (Pere Diaz Bou)

0.0.6 - 2024-11-18

Fixed

• Fix database truncation caused by limbo-wasm opening file in wrong mode (Pere Diaz Bou)

0.0.5 - 2024-11-18

Added

• CREATE TABLE support (Pere Diaz Bou)

• Add Add Database.prepare() and Statement.all() to Wasm bindings (Pekka Enberg)

• WAL improvements (Pere Diaz Bou)

• Primary key index scans and single-column secondary index scans (Jussi Saurio)

• GROUP BY support (Jussi Saurio)

• Overflow page support (Pere Diaz Bou)

• Improvements to Python bindings (Jean Arhancet and Lauri Virtanen)

• Improve scalar function support (Lauri Virtanen)

Fixed

• Panic in codegen with COUNT(*) (Jussi Saurio)

• Fix LIKE to be case insensitive (RJ Barman)

0.0.4 - 2024-08-22

• Query planner rewrite (Jussi Saurio)

• Initial pass on Python bindings (Jean Arhancet)

• Improve scalar function support (Kim Seon Woo and Jean Arhancet)

Added

• Partial support for json() function (Jean Arhancet)

0.0.3 - 2024-08-01

Added

• Initial pass on the write path. Note that the write path is not transactional yet. (Pere Diaz Bou)

• More scalar functions: unicode() (Ethan Niser)

• Optimize point queries with integer keys (Jussi Saurio)

Fixed

• ORDER BY support for nullable sorting columns and qualified identifiers (Jussi Saurio)

• Fix .schema command crash in the CLI (#212 (Jussi Saurio)

0.0.2 - 2024-07-24

Added

• Partial LEFT JOIN support.

• Partial ORDER BY support.

• Partial scalar function support.

Fixed

• Lock database file with POSIX filesystem advisory lock when database is opened to prevent concurrent processes from corrupting a file. Please note that the locking scheme differs from SQLite, which uses POSIX advisory locks for every transaction. We're defaulting to locking on open because it's faster. (Issue #94)

Changed

• Install to ~/.limbo/ instead of CARGO_HOME.

0.0.1 - 2024-07-17

Added

• Partial SELECT statement support, including WHERE, LIKE, LIMIT, CROSS JOIN, and INNER JOIN.

• Aggregate function support.

• EXPLAIN statement support.

• Partial PRAGMA statement support, including cache_size.

• Asynchronous I/O support with Linux io_uring using direct I/O and Darwin kqueue.

• Initial pass on command line shell with following commands: