[sxlijin]

Summary

• bump all legacy BAML v0 release surfaces from 0.225.0 to 0.226.0 using the repository version-bump configuration
• add exactly the two verified external-contributor engine changes: connection pooling from feat(runtime): make connection pooling configurable #3975 and OpenAI transcriptions from feat(openai): add /v1/audio/transcriptions endpoint support (#1724) #4202
• synchronize the new 0.226.0 sections in the top-level and Fern changelogs
• regenerate all nine integration clients without test-report churn and update the engine, Rust SDK, and generated Rust integration lockfile versions

Release boundary

• 0.225.0 boundary: release PR engine: bump version to 0.225.0 #4310 / merge commit da2a673
• feat(runtime): make connection pooling configurable #3975 shipped as 521919c
• feat(openai): add /v1/audio/transcriptions endpoint support (#1724) #4202 merged from reviewed head ff96fd4 as squash commit 79b8705; the reviewed-head and squash diffs have the same stable patch ID
• Add get_field method for runtime values #4464 and its byte-perfect revert revert: remove unknown companion surface (#4464) #4469 have zero net diff and are excluded
• rebased onto current canary after feat(openai): add /v1/audio/transcriptions endpoint support (#1724) #4202 merged

Validation

• TypeScript runtime build and nine-client generation
• Python runtime build/install and nine-client generation
• deterministic regeneration: unchanged binary diff hash on repeated generation
• locked Cargo metadata for the engine and Rust SDK workspaces
• generated Rust integration library build: cargo test --lib --locked
• OpenAI transcription wiremock closure tests: 2 passed
• generated Python multipart request test: 1 passed
• connection pooling transport test: 1 passed
• HTTP config validation fixtures: 8 passed
• release metadata and workflow contracts: 50 passed
• stale 0.225.0 audit clean across release-owned surfaces; historical junit.xml intentionally unchanged
• final release diff matches the 0.225.0 workflow-owned file set, excludes junit.xml test-report churn, and additionally refreshes the two tracked Rust SDK/integration lockfiles proven stale by locked builds

Status

• dependency satisfied; rebased onto current canary with the reviewed feat(openai): add /v1/audio/transcriptions endpoint support (#1724) #4202 patch present
• all required GitHub Actions checks are green; local and GitHub CodeRabbit reviews are green with approval and no review threads or requested changes
• merge-ready; awaiting normal human review

[coderabbitai]

📝 Walkthrough

Walkthrough

The release updates version references from 0.225.0 to 0.226.0 across package manifests, generated integration clients, version configuration, and release documentation.

Changes

0.226.0 Release

Layer / File(s)	Summary
Release documentation CHANGELOG.md, fern/pages/changelog.mdx	Adds the 0.226.0 release entry with connection pooling and OpenAI audio transcription features.
Package version declarations engine/..., languages/rust/Cargo.toml, jetbrains/gradle.properties, typescript/apps/vscode-ext/package.json	Updates package, workspace, extension, gem, and language client versions to 0.226.0.
Generated clients and version configuration integ-tests/..., tools/versions/*	Updates generated client versions, embedded generator fixtures, and bumpversion configuration to 0.226.0.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Merge Risk: ⚪ Minimal · up to 960dd

This PR updates the 0.226.0 release surfaces, regenerated clients, changelogs, and lockfiles, with the listed builds and targeted validations completed. No actionable merge-blocking risk remains beyond normal final checks and review.

Poem

A rabbit checks the version line,
“0.226.0” looks fine.
Clients and fixtures hop in tune,
Release notes shine like a moon.
All references match the sign!

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely identifies the primary change: bumping the engine version to 0.226.0.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch sxlijin/Prepare-engine-0.226.0-release

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[github-actions]

⏭️ Performance benchmarks were skipped

Perf benchmarks (CodSpeed) are opt-in on pull requests — they no longer run on every push. They always run automatically after merge to canary/main.

To run them on this PR, do any of the following, then push a commit (or re-run CI):

• Add RUN_CODSPEED=1 to the PR description, or
• Include run-perf or /perf in the PR title or any commit message.

[github-actions]

🌿 Preview your docs: https://boundary-preview-bac117c8-7348-42e2-a4bd-0c88f94c7887.docs.buildwithfern.com

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
beps	Ready	Preview	Aug 17, 2026 9:24pm
promptfiddle2	Ready	Preview	Aug 17, 2026 9:24pm

[sxlijin]

@coderabbitai review

[coderabbitai]

✅ Action performed

Review finished.

Note: CodeRabbit is an incremental review system and does not re-review already reviewed commits. This command is applicable only when automatic reviews are paused.

[coderabbitai]

🔇 Additional comments (36)

CHANGELOG.md (1)

5-11: LGTM!

engine/Cargo.toml (1)

193-193: LGTM!

engine/language_client_go/baml_go/lib_common.go (1)

35-35: LGTM!

engine/language_client_python/pyproject.toml (1)

3-3: LGTM!

engine/language_client_ruby/baml.gemspec (1)

5-5: LGTM!

engine/language_client_typescript/package.json (1)

3-3: LGTM!

engine/zed/Cargo.toml (1)

6-6: LGTM!

engine/zed/extension.toml (1)

6-6: LGTM!

jetbrains/gradle.properties (1)

8-8: LGTM!

languages/rust/Cargo.toml (1)

15-15: LGTM!

Also applies to: 40-42

integ-tests/react/baml_client/index.ts (1)

24-28: LGTM!

Also applies to: 38-38

fern/pages/changelog.mdx (1)

7-13: LGTM!

typescript/apps/vscode-ext/package.json (1)

5-5: LGTM!

integ-tests/baml_src/generators.baml (1)

4-58: 🗄️ Data Integrity & Integration

⚠️ Unverified finding
Sandbox verification was unavailable.

Run the required BAML generation check.

From integ-tests/python, run:

Verify that the generated clients remain deterministic and contain version 0.226.0.

As per coding guidelines, run this command whenever integ-tests/baml_src/** changes.

integ-tests/go/baml_client/baml_source_map.go (1)

29-29: LGTM!

integ-tests/python-v1/baml_client/__init__.py (1)

13-13: LGTM!

integ-tests/python-v1/baml_client/inlinedbaml.py (1)

26-26: LGTM!

integ-tests/python/baml_client/__init__.py (1)

13-13: LGTM!

integ-tests/python/baml_client/inlinedbaml.py (1)

26-26: LGTM!

integ-tests/rust/src/baml_client/baml_source_map.rs (1)

40-40: 🎯 Functional Correctness

Run the required Rust test command before merge.

This Rust file changed. Run cargo test --lib and confirm that it passes.

As per coding guidelines: “Always run cargo test --lib if you changed any Rust code.”

Source: Coding guidelines

tools/versions/typescript.cfg (1)

2-2: LGTM!

tools/versions/vscode.cfg (1)

2-2: LGTM!

tools/versions/zed.cfg (1)

2-2: LGTM!

integ-tests/react/baml_client/inlinedbaml.ts (1)

34-34: LGTM!

integ-tests/typescript-esm/baml_client/index.ts (1)

24-28: LGTM!

Also applies to: 38-38

integ-tests/typescript-esm/baml_client/inlinedbaml.ts (1)

34-34: LGTM!

integ-tests/typescript/baml_client/index.ts (2)

24-28: LGTM!

---

38-38: LGTM!

integ-tests/typescript/baml_client/inlinedbaml.ts (1)

34-34: LGTM!

tools/versions/engine.cfg (1)

2-2: LGTM!

tools/versions/go.cfg (1)

2-2: LGTM!

tools/versions/integ-tests.cfg (1)

2-2: LGTM!

tools/versions/jetbrains.cfg (1)

2-2: LGTM!

tools/versions/python.cfg (1)

2-2: LGTM!

tools/versions/ruby.cfg (1)

2-2: LGTM!

tools/versions/rust.cfg (1)

2-2: LGTM!

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro Plus

Run ID: c95d8645-5936-4666-8203-34d9bb69f62b

📥 Commits

Reviewing files that changed from the base of the PR and between 851e763 and 960dd5b.

⛔ Files ignored due to path filters (2)

• engine/Cargo.lock is excluded by !**/*.lock
• languages/rust/Cargo.lock is excluded by !**/*.lock

📒 Files selected for processing (35)

• CHANGELOG.md
• engine/Cargo.toml
• engine/language_client_go/baml_go/lib_common.go
• engine/language_client_python/pyproject.toml
• engine/language_client_ruby/baml.gemspec
• engine/language_client_typescript/package.json
• engine/zed/Cargo.toml
• engine/zed/extension.toml
• fern/pages/changelog.mdx
• integ-tests/baml_src/generators.baml
• integ-tests/go/baml_client/baml_source_map.go
• integ-tests/python-v1/baml_client/__init__.py
• integ-tests/python-v1/baml_client/inlinedbaml.py
• integ-tests/python/baml_client/__init__.py
• integ-tests/python/baml_client/inlinedbaml.py
• integ-tests/react/baml_client/index.ts
• integ-tests/react/baml_client/inlinedbaml.ts
• integ-tests/rust/src/baml_client/baml_source_map.rs
• integ-tests/typescript-esm/baml_client/index.ts
• integ-tests/typescript-esm/baml_client/inlinedbaml.ts
• integ-tests/typescript/baml_client/index.ts
• integ-tests/typescript/baml_client/inlinedbaml.ts
• jetbrains/gradle.properties
• languages/rust/Cargo.toml
• tools/versions/engine.cfg
• tools/versions/go.cfg
• tools/versions/integ-tests.cfg
• tools/versions/jetbrains.cfg
• tools/versions/python.cfg
• tools/versions/ruby.cfg
• tools/versions/rust.cfg
• tools/versions/typescript.cfg
• tools/versions/vscode.cfg
• tools/versions/zed.cfg
• typescript/apps/vscode-ext/package.json

Included review availability: Your plan includes up to 8 reviews per rolling hour; 1 remains after this review.

[sxlijin]

@coderabbitai review

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⚠️ Action not completed

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