Sentence Transformers 5.6.1 Fixes Flash Attention Embedding Regression

Sentence Transformers v5.6.1 has been released as a patch to fix a silent embedding degradation bug caused by Flash Attention, primarily affecting RoBERTa and XLM-R models.

2026-07-23 ~ 2026-07-23 · 3 related posts

• Sentence Transformers 5.6.1 fixes silent flash-attention embedding regressions — tomaarsen · 2026-07-23
• Sentence Transformers 5.6.1 fixes a silent flash-attention regression in RoBERTa models — tomaarsen · 2026-07-23
• sentence-transformers 5.6.1 fixes Flash Attention embedding bug in XLM-R models — tomaarsen · 2026-07-23