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11 daily briefings · 2 reviews.

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

  1. week TransformerLens 4.2.0 fixes Cohere bridge and optimizer parity
  2. week SAELens 6.53 ships bidirectional AbsTopK and whitening
  1. nnsight 0.8.0 cuts import time from 7.6s to 1.6s
  2. nnsight 0.8.0 cuts import time, adds a left-padding fix
  3. SAELens 6.54.5 fixes silent feature-density skips
  4. Gemma Scope 2 affine transcoders loaded wrongly, SAELens sparsity stats off by one
  5. TransformerLens 4.2.0 fixes Cohere bridge and optimizer parity
  6. All quiet as TransformerLens trims slow tests
  7. Slow PGD ladders read out from one attack run
  8. SAELens 6.54.0 folds decoder norms at load
  9. SAELens 6.53.1 keeps excluded tokens untouched during evals
  10. SAELens v6.53.0 adds bidirectional AbsTopK; param-decomp expands LM targets
  11. SAELens fixes a training deadlock and a JumpReLU load failure

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