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[BUG] ZeRO-3: zero.GatheredParameters([multiple params], modifier_rank=None) + in-place slice touch triggers assert not param.ds_active_sub_modules in free_param()

#7811

· griffinstalha opened

on Jan 24, 2026

[BUG] Cross-partition parameters incorrectly updated when using ZeRO-1/ZeRO-2 with reduce_scatter=true and Muon optimizer

#7807

· wflying000 opened

on Jan 23, 2026

[BUG] ZenFlow Stage 3 with <code>full_warm_up_rounds=0</code> fails due to missing <code>complete_column_offset</code> attribute

#7796

· Antlera opened

on Jan 20, 2026

[BUG] ZeRO-3 with <code>zero_quantized_weights=true</code> incorrectly casts bf16 inputs to fp16, causing BERT training failure

#7775

· sdjasj opened

on Jan 12, 2026

[REQUEST] Python types?

#7772

· antspy opened

on Jan 11, 2026

[BUG][Deepcompile] OOM during DeepCompile pre-pass eager node-by-node profiling (FX Interpreter) due to decomposed cross_entropy materializing huge intermediates

#7770

· zuoyanzhang opened

on Jan 10, 2026

[BUG] ZenFlow: loss values becomes NaN after 'update_interval' number of steps.

#7759

· karthik2603-theBrogrammer opened

on Jan 4, 2026

[BUG] count_used_parameters_in_backward does not work with PyTorch 2.1.2

#7756

· riyadhrazzaq opened

on Jan 1, 2026

[BUG] Grad norm value differs significantly across DeepSpeed version

#7749

· npurson opened

on Dec 29, 2025

[BUG]MoE router parameters are forced to bf16 under DeepSpeed bf16, causing dtype mismatch in fp32 routing logic

#7747

· tangefly opened

on Dec 27, 2025

[BUG] Dtype mismatch (bf16 vs fp32) when resuming Muon optimizer from checkpoint

#7746

· literid opened

on Dec 25, 2025

Please publish DeeepSpeed Python 3.13 Windows wheels already

#7744

· FurkanGozukara opened

on Dec 23, 2025