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The Wire · Showcase

JAX CLEANS UP DEPRECATED TPU GUARDS, PYTHON-GENAI SHIPS MAJOR INTERACTIONS OVERHAUL

By RepoJournal · Filed · About Google

copybara-service[bot]
1 person shipped this
copybara-service[bot] @copybara-service[bot] 2 cited

JAX is removing version guards that became unnecessary after bumping libtpu to 0.0.42, while python-genai's v2.9.0-rc0 completely rewrites its interactions layer without breaking the public API.

JAX landed a series of cleanup commits across the last 24 hours targeting technical debt from older TPU versions. The team removed deprecated is_cloud_tpu_at_least version guards [1] [2] and eliminated unnecessary TPU version skips now that libtpu 0.0.42 is the minimum [3]. They also refactored Windows Docker GCE metadata access [4] to avoid host port forwarding complexity by routing 169.254.169.254 inside containers instead. Meanwhile, python-genai shipped v2.9.0-rc0 [5] with a complete internal rewrite of the interactions implementation, keeping the public API stable while also removing deprecated output fields that were never supported [6]. The release adds ServiceTier to UsageMetadata and syncs to the latest spec [7]. Over in google-cloud-python, the auth team made Regional Access Boundary verification production-ready by removing the environment variable feature gate [8], meaning RAB lookups now execute by default. They also fixed pytest 9.1.0 compatibility [9] and dropped Python 3.7 EOL false positives from telemetry headers [10].

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Action items

References

  1. [1] Remove deprecated is_cloud_tpu_at_least version guards. google/jax
  2. [2] Remove deprecated is_cloud_tpu_at_least version guards. ↗ google/jax
  3. [3] Remove an unnecessary tpu version skip, now that libtpu 0.0.42 is the minimum. google/jax
  4. [4] Refactor Windows Docker GCE metadata access google/jax
  5. [5] v2.9.0-rc0 ↗ googleapis/python-genai
  6. [6] chore: Remove deprecated output fields.. these were never supported. googleapis/python-genai
  7. [7] chore: sync to the most recent spec ↗ googleapis/python-genai
  8. [8] feat(auth): make RAB feature production ready (#17390) googleapis/google-cloud-python
  9. [9] tests: fix compatibility with pytest 9.1.0 (#17465) googleapis/google-cloud-python
  10. [10] chore(google-auth): drop python 3.7 EOL false positives and refactor metrics telemetry (#17463) googleapis/google-cloud-python

Quick answers

What shipped in Google on June 16, 2026?
JAX is removing version guards that became unnecessary after bumping libtpu to 0.0.42, while python-genai's v2.9.0-rc0 completely rewrites its interactions layer without breaking the public API. In total, 42 commits, 36 pull requests, and 4 releases landed.
Who contributed to Google on June 16, 2026?
1 developer shipped this update, including copybara-service[bot].
What were the notable Google updates?
Remove deprecated is_cloud_tpu_at_least version guards, Remove deprecated is_cloud_tpu_at_least version guards, and Remove an unnecessary tpu version skip, now that libtpu 0.0.42 is the minimum.

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