docs: update baml_language 0.17.0 changelog

[sxlijin]

Summary

• Add [review] changelog bullets for user-facing baml_language changes merged after the previous changelog update.
• Cover runtime reflection and packages, native BAML provider clients, the OpenAI client rename, runtime compilation under baml run, and BEP-066 performance work.
• Preserve every previously reviewed changelog bullet unchanged.

Range

The previous changelog update was e3301d1f90683d26194d80da8732b2a95df0404e (#4428). This update reviews later merges through 36545fde3913aa3699a27aed11365541c8123821, adding release-note entries for #4325, #4430, #4448, #4450, and #4451. CI-, test-, benchmark-, and release-policy-only merges are intentionally omitted.

Validation

• git diff --check
• Changelog diff contains 8 additions and 0 deletions.

Summary by CodeRabbit

• New Features

  • Added runtime reflection and type construction capabilities.
  • Added support for native BAML clients.

• Breaking Changes

  • Renamed the OpenAI client and updated related compatibility requirements.

• Bug Fixes

  • Fixed runtime package compilation when using baml run.

• Performance

  • Improved compiler and virtual machine performance.

[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):

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 8a99ada0-d48e-4122-a40a-0c543070b6b6

📥 Commits

Reviewing files that changed from the base of the PR and between 36545fd and 6f5bfca.

📒 Files selected for processing (1)

• baml_language/CHANGELOG.md

Included review availability: Your plan includes up to 8 reviews per rolling hour; 7 remain after this review.

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📝 Walkthrough

Walkthrough

The changelog now documents runtime reflection, type construction, native clients, the OpenAI client rename, runtime compilation fixes, and compiler and VM performance updates for version 0.17.0.

Changes

Release notes

Layer / File(s)	Summary
Version 0.17.0 release entries baml_language/CHANGELOG.md	The changelog adds feature entries, breaking-change and fix entries, and a Performance section for compiler and VM improvements.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: 🔵 Low · up to 6f5bf

The PR only changes release documentation, but the stated eight changelog additions do not match the five visible [review] entries. Merge is reasonable once the count is reconciled or the objective is corrected.

Possibly related PRs

• BoundaryML/baml#4428: Both PRs update the baml_language/CHANGELOG.md entries for version 0.17.0.

Poem

A rabbit reads the changelog bright,
New clients hop into sight.
Reflection, fixes, speed in play,
OpenAI names change today.
“Version 0.17.0—hip-hop hooray!”

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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 describes the update to the baml_language 0.17.0 changelog.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch agent/update-baml-language-changelog

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[chatgpt-codex-connector]

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Reviewed commit: 6f5bfca6ad

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[chatgpt-codex-connector]

Move post-release changes out of 0.17.0

These entries describe commits merged after the 0.17.0 release request: the canary workflow cuts a release only on the commit that changes baml_language/release.toml and dispatches that immutable commit as source_sha (.github/workflows/ci.yaml lines 1375-1387 and 1429-1444). Version 0.17.0 was requested by e3301d1f, while #4325, #4430, #4448, #4450, and #4451 are all descendants of it, so they cannot be present in that release; the heading's comparison ending at c0153b20 confirms they are outside the documented range. Keeping these bullets under 0.17.0 tells users that unavailable APIs and breaking changes shipped, so all newly added entries should be moved to the next release section.

Useful? React with 👍 / 👎.

[github-actions]

Binary size checks passed

✅ 7 passed

	Artifact	Platform	File	Gzip	Gated on	Baseline	Delta	Status
✅	baml-cli	Linux	🔒 28.5 MB	12.0 MB	file	28.5 MB	-40.4 KB (-0.1%)	OK
✅	packed-program	Linux	🔒 21.7 MB	8.5 MB	file	21.7 MB	-21.2 KB (-0.1%)	OK
✅	baml-cli	macOS	🔒 22.3 MB	10.5 MB	file	22.2 MB	+29.6 KB (+0.1%)	OK
✅	packed-program	macOS	🔒 17.4 MB	7.6 MB	file	17.4 MB	+345 B (+0.0%)	OK
✅	baml-cli	Windows	🔒 24.0 MB	10.7 MB	file	24.0 MB	+922 B (+0.0%)	OK
✅	packed-program	Windows	🔒 18.5 MB	7.7 MB	file	18.6 MB	-18.9 KB (-0.1%)	OK
✅	bridge_wasm	WASM	17.9 MB	🔒 4.8 MB	gzip	4.8 MB	-32.5 KB (-0.7%)	OK

🔒 = the size this artifact is GATED on (ceiling + delta). Binaries gate on file size (installed binary); WASM gates on gzip (download size). The other size is shown for information only.

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Generated by cargo size-gate · workflow run