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flash attention3 is support?

Status: Open.

#162 In nvidia-cosmos/cosmos-predict2.5;

· stihuangyuan opened on Jun 23, 2026

LoRA post-training silently trains from random base weights when load_path is a checkpoint-DB URI (root cause of #176)

Status: Open.

#160 In nvidia-cosmos/cosmos-predict2.5;

· Rouhi-Amirreza opened on Jun 19, 2026

DreamX-World (https://github.com/AMAP-ML/DreamX-World)

Status: Open.

#159 In nvidia-cosmos/cosmos-predict2.5;

· jiashu-zhu opened on Jun 18, 2026

urml-cosmos-predict-bridge: wiring Cosmos-Predict2.5 into URML's predictive-safety lane (composes with Reason1)

Status: Open.

#153 In nvidia-cosmos/cosmos-predict2.5;

· idoco2003 opened on May 23, 2026

multiview post training checkpoint not found & sample_n_views issue

Status: Open.

#144 In nvidia-cosmos/cosmos-predict2.5;

· DianChen-TRI opened on Apr 12, 2026

Bug on data parallel with fsdp when fsdp_shard_size==1

Status: Open.

#143 In nvidia-cosmos/cosmos-predict2.5;

· hust-umi opened on Apr 3, 2026

dgx spark support

Status: Open.

#142 In nvidia-cosmos/cosmos-predict2.5;

· jcl2023 opened on Apr 1, 2026

OOM while load the whole model

Status: Open.

#141 In nvidia-cosmos/cosmos-predict2.5;

· Milesld opened on Mar 30, 2026

Mismatch between paper’s rCM description and released distillation code

Status: Open.

#136 In nvidia-cosmos/cosmos-predict2.5;

· kdh8156 opened on Mar 13, 2026

CUDA Out of Memory on RTX 5090 (32GB VRAM) across all generation modes (text2world, image2world, video2world)

Status: Open.

#135 In nvidia-cosmos/cosmos-predict2.5;

· XabierSener opened on Mar 10, 2026

Evaluation script for table 19 in Predict2.5 paper (action-cond post training quant. results

Status: Open.

#134 In nvidia-cosmos/cosmos-predict2.5;

· ludekcizinsky opened on Mar 4, 2026

[Question] Validation sampling (EveryNDrawSample) always selects the same dataset index on Single GPU

Status: Open.

#131 In nvidia-cosmos/cosmos-predict2.5;

· yzucyh opened on Feb 26, 2026