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Topics: AI / ML Python Full archive →

The Wire · Showcase

JAX CI BROKEN BY PYTHON 3.13 VERSION STRING PARSING

By RepoJournal · Filed · About Google

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

JAX's build scripts are crashing on Python 3.13-ft to 3.13t conversions, and the fix is live now.

The JAX team deployed a defensive patch [1] that stops the version string conversion from tanking CI pipelines when Python 3.13-ft gets parsed as 3.13t. This isn't a permanent solution - the long-term play is to standardize on 3.13t everywhere - but it unblocks your builds immediately. In parallel, the team updated XLA dependencies [2] to the latest revision, so you're pulling in the latest upstream optimizations alongside the CI fix. No breaking changes here, just infrastructure stabilization.

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Action items

References

  1. [1] Be more defensive when converting 3.13-ft to 3.13t in build scripts. ↗ google/jax
  2. [2] Update XLA dependency to use revision http://github.com/openxla/xla/commit/0e07f95f1e0a0bda4fff52de21ecb9e6d32cbe74 google/jax

Quick answers

What shipped in Google on June 15, 2026?
JAX's build scripts are crashing on Python 3.13-ft to 3.13t conversions, and the fix is live now. In total, 2 commits and 1 pull requests landed.
Who contributed to Google on June 15, 2026?
1 developer shipped this update, including copybara-service[bot].
What were the notable Google updates?
Be more defensive when converting 3.13-ft to 3.13t in build scripts and Update XLA dependency to use revision http://github.com/openxla/xla/commit/0e07f95f1e0a0bda4fff52de21ecb9e6d32cbe74.

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