Issues

• fair.pkg.atmeta.com serving expired TLS certificate — breaks pip install

  facebookresearch/fairseq2#1520 · Filter by author KricejJanezMartin opened on Jul 8, 2026

• keep up torch version

  enhancement
  facebookresearch/fairseq2#1518 · Filter by author YunchaoYang opened on Jun 5, 2026

• attribute ValueError in llama3 models export

  bug
  facebookresearch/fairseq2#1517 · Filter by author YunchaoYang opened on Jun 5, 2026
  

• Support Nemotron-3-Nano-Omni in fairseq2

  Task

  facebookresearch/fairseq2#1513 · Filter by author YunchaoYang opened on May 26, 2026
  

• Support FlashAttention4

  enhancement
  facebookresearch/fairseq2#1499 · Filter by author YunchaoYang opened on Mar 23, 2026

• HuBERT pre-training recipe

  enhancement
  facebookresearch/fairseq2#1498 · Filter by author mdhk opened on Mar 23, 2026

• Add support for Qwen3.5 model

  enhancement
  Task

  facebookresearch/fairseq2#1497 · Filter by author YunchaoYang opened on Mar 20, 2026
  

• Add the Windows native support i want to try the omnilingual-asr

  enhancement
  facebookresearch/fairseq2#1494 · Filter by author veselinve opened on Mar 8, 2026

• The new version update lacks training documentation for machine learning(NLLB).

  bug
  facebookresearch/fairseq2#1493 · Filter by author hui-li-xf opened on Feb 26, 2026

• The new version update lacks training documentation for machine learning.

  question
  facebookresearch/fairseq2#1487 · Filter by author hui-li-xf opened on Jan 23, 2026

• Iterating through asset cards fails when unrelated asset is broken

  bug
  facebookresearch/fairseq2#1486 · Filter by author cirquit opened on Jan 16, 2026
  

• NCCL timeouts when reading or writing HF checkpoints for 70B Llama model during multinode training

  bug
  facebookresearch/fairseq2#1485 · Filter by author avidale opened on Jan 16, 2026

• Improve fbpkg integration

  enhancement
  Feature

  facebookresearch/fairseq2#1483 · Filter by author rsyue opened on Jan 6, 2026
  1

  

• Improve FBCode workflow (ease and automation)

  enhancement
  Task

  facebookresearch/fairseq2#1482 · Filter by author rsyue opened on Jan 6, 2026
  3

  

• Different batch sizes result in large numerical differences in transformer models

  bug
  facebookresearch/fairseq2#1481 · Filter by author gilkeren1 opened on Dec 29, 2025
  4

  

• Feature request: make tokenizers map between characters and tokens

  enhancement
  facebookresearch/fairseq2#1469 · Filter by author avidale opened on Nov 28, 2025

• fairseq2 breaks / will break with PyTorch nightlies

  bug
  facebookresearch/fairseq2#1453 · Filter by author colesbury opened on Nov 19, 2025

• Improve interop between Gang and PG/DeviceMesh

  enhancementrecipe
  Task

  facebookresearch/fairseq2#1398 · Filter by author cbalioglu opened on Oct 30, 2025
  

• Deprecate RecipeModel

  recipe
  Task

  facebookresearch/fairseq2#1397 · Filter by author cbalioglu opened on Oct 30, 2025 · v0.7
  

• Add a default CPU stat tracker

  enhancement
  facebookresearch/fairseq2#1391 · Filter by author MartinGleize opened on Oct 21, 2025

• Check end-of-life version of deprecated features

  enhancementinfra
  Task

  facebookresearch/fairseq2#1387 · Filter by author cbalioglu opened on Oct 20, 2025 · v0.7

• Support overriding model asset checkpoint via model.path

  enhancementrecipe
  Feature

  facebookresearch/fairseq2#1385 · Filter by author cbalioglu opened on Oct 17, 2025 · v0.7
  

• Support tensor parallel tied embedding/project

  enhancementmodeling
  Feature

  facebookresearch/fairseq2#1380 · Filter by author cbalioglu opened on Oct 16, 2025 · v0.7
  

• Add a --no-rich CLI flag

  enhancementrecipe
  Feature

  facebookresearch/fairseq2#1367 · Filter by author cbalioglu opened on Oct 9, 2025 · v0.7
  

• Document fairseq2.assets

  documentationenhancement
  Feature

  facebookresearch/fairseq2#1365 · Filter by author cbalioglu opened on Oct 9, 2025 · v0.7