Who contributed to Google on June 13, 2026?

4 developers shipped this update, including dougalm, gspschmid, copybara-service[bot], and ohmayr.

What were the notable Google updates?

Clean up GitHub Actions job names for presubmits, Use vars instead of de bruijn indices in effects, and [Mosaic TPU] Deprecated `tpu.rotate`. Use `tpu.dynamic_rotate` instead, which supports both static and dynamic rotate.

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The Wire · Showcase

JAX CLEANS UP CI PIPELINE, GOOGLE CLOUD PYTHON BATTLES TEST FLAKES

By RepoJournal · Filed 06:03 UTC on June 13, 2026 · About Google

4 people shipped this

copybara-service[bot] @copybara-service[bot] 3 cited

dougalm @dougalm 1 cited

gspschmid @gspschmid 1 cited

ohmayr @ohmayr 1 cited

JAX is splitting its monolithic GitHub Actions workflow into four focused pipelines while standardizing job names across the entire test matrix [ref:1], the same week Google Cloud Python squashes a cascade of flaky Firestore tests and pandas 3 incompatibilities.

The JAX repo is doing infrastructure theater that actually matters: renaming job identifiers for clarity, collapsing free-threaded Python from `3.14-nogil` to `3.14t`, and splitting one unwieldy workflow into separate test, lint, security, and docs pipelines [1]. This reduces cognitive load on every PR review and makes CI signals faster to read. On the language side, JAX shipped a significant upgrade to its effects system by replacing de Bruijn indices with explicit variables [2], which matters for anyone building custom gradient rules or composing advanced autodiff patterns. The Mosaic TPU crew deprecated `tpu.rotate()` in favor of `tpu.dynamic_rotate()`, which now handles both static and dynamic rotation in one call [3], and CUDA support now extends to pinned host memory tensors via DLPack, unblocking PyTorch interop workflows [4]. Over in Google Cloud Python, the team is burning down test infrastructure debt: Firestore's flaky suite is fixed by switching to 10 worker threads instead of auto-scaling [9], pandas 3 failures are patched [10], and redundant named database test sweeps are eliminated to cut execution time . The python-genai repo is quietly shipping GAOS SDK library integrations across multiple PRs [5][6][7], and a new workflow to flag stale google-contributor PRs just landed [8].

Action items

→ Review JAX CI split PRs and update any local CI references pointing to the old monolithic workflow google/jax [plan]
→ Update code using tpu.rotate() to tpu.dynamic_rotate() before next Mosaic TPU release google/jax [plan]
→ Test Firestore test runs against the new 10-worker config in your staging environment googleapis/google-cloud-python [monitor]
→ Verify pandas 3 compatibility in your google-cloud-python pin before end of sprint googleapis/google-cloud-python [plan]

References

[1] Clean up GitHub Actions job names for presubmits. google/jax
[2] Use vars instead of de bruijn indices in effects ↗ google/jax
[3] [Mosaic TPU] Deprecated `tpu.rotate`. Use `tpu.dynamic_rotate` instead, which supports both static and dynamic rotate. google/jax
[4] [dlpack] [cuda] Support pinned host tensors in from_dlpack ↗ google/jax
[5] feat: introduce gaos sdk libs ↗ googleapis/python-genai
[6] feat: introduce gaos sdk libs ↗ googleapis/python-genai
[7] feat: introduce gaos sdk libs ↗ googleapis/python-genai
[8] chore: Add GH workflow for stale google-contributor PRs googleapis/python-genai
[9] chore(firestore): fix firestore flaky tests ↗ googleapis/google-cloud-python
[10] chore: address pandas 3 failure and remove inherently flaky system test (#17452) googleapis/google-cloud-python

Quick answers

What shipped in Google on June 13, 2026?: JAX is splitting its monolithic GitHub Actions workflow into four focused pipelines while standardizing job names across the entire test matrix [ref:1], the same week Google Cloud Python squashes a cascade of flaky Firestore tests and pandas 3 incompatibilities. In total, 39 commits and 34 pull requests landed.
Who contributed to Google on June 13, 2026?: 4 developers shipped this update, including dougalm, gspschmid, copybara-service[bot], and ohmayr.
What were the notable Google updates?: Clean up GitHub Actions job names for presubmits, Use vars instead of de bruijn indices in effects, and [Mosaic TPU] Deprecated `tpu.rotate`. Use `tpu.dynamic_rotate` instead, which supports both static and dynamic rotate.

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