v6.39.0

v6.39.0 (2026-03-19)

Chore

• chore: document how to customize feature geometry in synth SAE stuff (#664) (d9d1e28)

Feature

• feat: Add parameter to set number of batches used for norm estimation (#662) (b321814)

v6.38.0

v6.38.0 (2026-03-14)

Feature

• feat: support chat datasets and chat formatting (#658)

• feat: support chat datasets and chat formatting

• changes from CR

• changes from CR

• changes from CR

• changes from CR

• bust cache for build

• more CR fixes (32461c0)

v6.37.7

v6.37.7 (2026-03-13)

Fix

• fix: SAETransformerBridge hook name resolution and hook_z compatibility enhancement (#657) (a82692e)

v6.37.6

v6.37.6 (2026-02-27)

Fix

• fix: add gemma 3 12b entries for neuronpedia (#655)

• feat: add neuronpedia entries in pretrained_saes

• fix: add neuronpedia entries for 27b-it transcoders

• fix: add gemma 3 12b entries for neuronpedia (468b9cc)

v6.37.5

v6.37.5 (2026-02-27)

Chore

• chore: adding more exploration to the synth-sae-bench notebook (#653) (97784ab)

Fix

• fix: update pretrained yaml to add neuronpedia entries for gemma-3-27b-it 262k transcoders (#654)

• fix: add neuronpedia entries for 27b-it transcoders (b185915)

v6.37.4

v6.37.4 (2026-02-23)

Performance

• perf: report metrics only when the metrics will be read (#652) (3f05736)

v6.37.3

v6.37.3 (2026-02-20)

Fix

• fix: Handle HF ModelOutput logits in HookedProxyLM (#651) (110de31)

v6.37.2

v6.37.2 (2026-02-19)

Chore

• chore: fixing broken link in docs (#649) (bcb817e)

• chore: updating docs for synthsaebench (#646)

• updating docs for synthsaebench

• Update docs/synthsaebench.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

• Update docs/synthetic_data.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

• Update docs/synthetic_data.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

• changes from CR

• adding synth sae bench tutorial notebook

• updating tutorial notebook

• changes from CR

• changes from CR

• adding link to paper

• changes from CR

---

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> (d44e201)

Fix

• fix: relax transformers dep to allow v5 (#650) (610d6e5)

v6.37.1

v6.37.1 (2026-02-14)

Fix

• fix: fold scaling factor when loading Llama Scope SAEs (#645) (696d08b)

v6.37.0

v6.37.0 (2026-02-13)

Feature

• feat: Matryoshka auxiliary loss (#643)

• adding matryoshka topk aux loss

• adding tests

• changes from CR

• don't add b_dec during mat topk recons

• fixing rescaling issues

• changes from CR

• removing unused method (f5c5110)