ADBC Libraries apache-arrow-adbc-24-rc1

ADBC Libraries 24 (2026-07-23)

Versions

• C/C++/GLib/Go/Python/Ruby: 1.12.0
• C#: 0.24.0
• Java: 0.24.0
• R: 0.24.0
• Rust: 0.24.0

Breaking Changes

• ⚠️ remove Go Snowflake driver and Rust, Python, R, deb/yum packages (#4282)
• ⚠️ remove go bigquery driver and Python, R packages (#4273)
• ⚠️ c/driver/postgresql: defer transaction start (#4424)
• ⚠️ c/driver/postgresql: remove Redshift support (#4365)
• ⚠️ go: remove go databricks driver (#4274)
• ⚠️ java/core: declare close to throw AdbcException (#4451)
• ⚠️ ruby: set LoadFlags::DEFAULT on Database.new and allow override in open (#4402)
• ⚠️ rust: remove DataFusion driver (#4455)

New Features

• ⚠️ remove Go Snowflake driver and Rust, Python, R, deb/yum packages (#4282)
• ⚠️ remove go bigquery driver and Python, R packages (#4273)
• c/driver: bump vcpkg (and libpq/sqlite) version (#4566)
• c/driver/postgresql: add fixture-backed NUMERIC round-trip tests (#4536)
• ⚠️ c/driver/postgresql: defer transaction start (#4424)
• c/driver/postgresql: include xdbc_type_name in GetObjects (#4457)
• ⚠️ c/driver/postgresql: remove Redshift support (#4365)
• c/driver/postgresql: return JSON as arrow.json extension (#4415)
• c/driver/sqlite: add support for sqlite:// URI scheme (#4463)
• csharp: Add driver manager (#4075)
• csharp: make core ADBC and trace listeners AOT-compatible to support standalone C# drivers (#4243)
• csharp/src/Apache.Arrow.Adbc/C: bring driver exporter to parity with importer (#4318)
• go: clarify bind behavior (#4267)
• ⚠️ go: remove go databricks driver (#4274)
• go/adbc: align default trace path with ADBC config layout (#4527)
• go/adbc/driver/flightsql: add logging for Flight SQL (#4322)
• go/adbc/driver/flightsql: add support for flightsql:// uri format (#4488)
• go/adbc/driver/flightsql: implement tracing for core Flight SQL operations (#4486)
• go/adbc/sqldriver: support reflecting more types (#4416)
• java/core: add fluent ingest API (#4466)
• ⚠️ java/core: declare close to throw AdbcException (#4451)
• java/driver/jni: add fluent connection interface (#4452)
• java/driver/jni: allow loading shared library from external path (#4211)
• java/driver/jni: close child resources automatically (#4441)
• java/driver/jni: enable driver manifests/profiles (#4202)
• java/driver/jni: implement binding of streams (#4359)
• java/driver/jni: implement commit/rollback (#4212)
• java/driver/jni: implement executePartitioned (#4263)
• java/driver/jni: implement get/set catalog/schema (#4229)
• java/driver/jni: implement get/set option (#4203)
• java/driver/jni: implement getStatistics (#4361)
• java/driver/jni: implement incremental execution, Substrait (#4362)
• java/driver/jni: wire up cancel, getParameterSchema (#4249)
• java/driver/jni: wire up ingest into temporary/namespace (#4250)
• javascript: make driver optional when uri or profile is provided (#4537)
• r/adbcdrivermanager: allow driver specification using string names only (#4535)
• ⚠️ ruby: set LoadFlags::DEFAULT on Database.new and allow override in open (#4402)
• rust: make boolean conventions clearer (#4427)
• rust/core: add InfoCode::Other to handle arbitrary codes (#4510)
• rust/core: implement fallible conversions for IngestMode (#4350)

Bugfixes

• c/driver/postgresql: encode Arrow JSON for JSONB COPY (#4505)
• c/driver/postgresql: encode integer values for numeric COPY targets (#4499)
• c/driver/postgresql: preserve zero integer groups when writing NUMERIC (#4523)
• c/driver/postgresql: use array_view->offset when writing list rows (#4320)
• c/driver_manager: preserve quoted-key text in profile redefinition errors (#4442)
• c/validation: make SqlPrepareUpdate readback order-independent (#4534)
• ci/scripts: correct csharp pack powershell script to set arguments correctly (#4304)
• ci/scripts: fix Set-Location syntax (#4307)
• csharp: Bump OpenTelemetry.Exporter.OpenTelemetryProtocol to 1.15.3 (#4291)
• csharp: address flaky driver manager tests (#4324)
• csharp: fix other flaky tests (#4326)
• csharp: improved TOML parsing (#4340)
• csharp: remove Foundry drivers from solution (#4323)
• csharp: support spec-correct driver manifests (#4341)
• csharp: use correct user and system driver directories (#4330)
• csharp/src/Drivers: Make AdbcCommandTimeoutProperty to optional (#4197)
• dev/release: add CONDA_BUILD=1 when verifying with USE_CONDA=1 (#4180)
• go/adbc/drivermgr: adjust ingest helper to set target before BindStream (#4308)
• go/adbc/pkg: cgo handle pattern (#4287)
• java/driver/flight-sql: cache closes primary connection on cache invalidate (#4509)
• java/driver/flight-sql: include connectionOptions for preparedStatement.close() (#4513)
• java/driver/jni: check for pending exceptions more thoroughly (#4398)
• java/driver/jni: delete JNI local references (#4397)
• java/driver/jni: handle "modified UTF-8" encoding (#4423)
• java/driver/jni: harden JNI exception helpers (#4395)
• java/driver/jni: release ADBC resources on Java constructor failure (#4396)
• java/driver/jni: release AdbcError in RaiseAdbcException (#4391)
• python/adbc_driver_manager: prevent segfault in _AdbcErrorHelper.check_error (#4367)
• ruby: correct open_statement typo in Connection#ingest (#4418)
• ruby: declare Apache Arrow repository in red-adbc.gemspec (#4393)
• rust/core: Handle the ASCII characters from sqlstate instead of their decimal values (#4141)
• rust/ffi: fix release_ffi_error to properly null values (#4181)
• rust/ffi: preserve caller's AdbcError private_data on the 1.0.0 path (#4473)
• rust/ffi: set rows_affected to -1 on the query path of ExecuteQuery (#4469)

Documentation Improvements

• Clearly indicate the support status in DuckDB (#4349)
• add favicon (#4342)
• demonstrate how to use (unofficial) JNI nightly builds (#4399)
• describe how to use sphinx-autobuild (#4383)
• document Flight SQL telemetry and logging (#4500)
• download and embed FontAwesome at build time (#4543)
• fix version switcher (#4378)
• improve docs for homebrew post-release task (#4186)
• link to drivers anchor on installation page (#4547)
• reorganize docs to highlight tools and drivers (#4525)
• update compatible versions for postgres driver (#4199)
• update copyright year dynamically in conf.py (#4546)
• update foundry urls (#4565)
• update js profile example (#4541)
• javascript: create basic scaffold for typedoc js docs (#4238)
• javascript: create docs for javascript implementation (#4232)
• ruby: update Ruby docs to show latest code and fix minor issues (#4552)

Performance Improvements

• c/driver/postgresql: speed up decimal128 COPY encoding (#4498)