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wire 2026-11-09
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TransformerLens ships v4.4.0

By RepoJournal · Filed · About Interpretability · Composed from the cited sources · methodology

jlarson4
1 person shipped this
jlarson4 @jlarson4 3 cited

TransformerLens v4.4.0 is out, and the only fix riding behind it in the first day is an MPS test failure for that same release, so operators get a new version and nothing else to triage.

Release v4.4.0 TransformerLensOrg/TransformerLens

by jlarson4

The release lands with no described detail beyond the release notes, so read those before you pin: nothing in the announcement names changed APIs, flags, or defaults. Treat it as a version bump until the notes say otherwise.

Fixed a bug with a failing MPS test for release v4.4.0 TransformerLensOrg/TransformerLens

by jlarson4

A failing MPS test for v4.4.0 was addressed in the same window, which matters if you run TransformerLens on Apple silicon. The fix is scoped to the test, not described as a behavior change.

Merge pull request #1997 from TransformerLensOrg/dev TransformerLensOrg/TransformerLens

by Jonah Larson

The dev branch merge that carried v4.4.0 out is the packaging step behind the release above.

$ ls interpretability/reviews/ # the step-back reads

the week in review nnsight 0.8.2 fixes silent wrong values under vLLM the month in review SAELens folds decoder norms at load, SAEBench JumpReLU loads fixed
Full archive → Weekly reviews →

Quick answers

What shipped in Interpretability on November 9, 2026?
TransformerLens v4.4.0 is out, and the only fix riding behind it in the first day is an MPS test failure for that same release, so operators get a new version and nothing else to triage. In total, 2 commits and 1 pull requests landed.
Who contributed to Interpretability on November 9, 2026?
1 developer shipped this update, including jlarson4.
What were the notable Interpretability updates?
Release v4.4.0, Fixed a bug with a failing MPS test for release v4.4.0, and Merge pull request #1997 from TransformerLensOrg/dev.
♥

$ log Interpretability --recent

TransformerLens 4.4.0 lands, and SAELens patches four ways its loaders misread checkpoints 19 shipped param-decomp drops a public @claude agent, nnsight fixes a broken README badge 7 shipped SAELens 6.55.0 runs on transformer-lens 4.x, but the pin stays 4 shipped SAELens grows a transformer-lens 4.x path but keeps the 3.x pin 4 shipped

$ log --all # elsewhere on the wire

Alignment & Post-training Anchored math grading by default in MILES, and one launcher for every dense Qwen3 TPU recipe Agent Security Sandbox Runtime 0.0.82 narrows the Windows profile read grant

$ ls showcases/

Safety Evals AI Red Teaming Agent Security Alignment & Post-training

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