Hugging Face Transformers: Patch Release 4.51.2

Source available — automated, not human-reviewed

Component: transformers · Channel: stable. Automated analysis, not a compatibility certification. How this works.

Analysis updated: 2026-11-01.

Compatibility not verified — check source notes

$ python -m pip install 'transformers==4.51.2'

📄 .MD

🔧 Bug Fixes 4

⚡ Executive Summary (TL;DR)

Hugging Face Transformers v4.51.2. Source highlight: Patch Release 4.51.2

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Who Does This Impact? (Role-Based Analysis)

💻 Software Engineers & Devs

Check the source notes against the package and APIs you use before upgrading.

📊 Product & Engineering Leads

Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.

⚙️ DevOps & Security

Verify the target version, runtime requirements and rollback procedure in the official documentation.

🔧 Bug Fixes & Patches (4)

Fix Llama4 offset (#37414)
Attention Quantization with FBGemm & TP (#37384)
use rms_norm_eps for the L2Norm for Llama4 (#37418)
mark llama4 as not supported with fa2 (#37416)

📄 View Raw Release Notes (Original Developer Log)

# Patch Release 4.51.2 This is another round of bug fixes, but they are a lot more minor and outputs were not really affected! - Fix Llama4 offset (#37414) by @Cyrilvallez - Attention Quantization with FBGemm & TP (#37384) by @MekkCyber - use rms_norm_eps for the L2Norm for Llama4 (#37418) by @danielhanchen - mark llama4 as not supported with fa2 (#37416) by @winglian

← Older Version Hugging Face Transformers v4.51.1 Newer Version → Hugging Face Transformers v4.51.3