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fully_async (non-colocated): training actor emits all-NaN logits on every microbatch of the first step after the first NCCL weight sync; weights/optimizer/exports all finite

Status: Open.

#2247 In NovaSky-AI/SkyRL;

· kunling-anyscale opened on Sep 19, 2026

fully_async: non-colocated weight sync ignores clear_kv_cache_on_weight_sync — stale prefix-cache KV trained on after each sync

Status: Open.

#2246 In NovaSky-AI/SkyRL;

· kunling-anyscale opened on Sep 19, 2026

[bug][fsdp] FSDP2 manual offload/load corrupts DTensor unshard state under colocate_all=True, causing silent non-deterministic logit errors

Status: Open.

#2215 In NovaSky-AI/SkyRL;

· Aression opened on Sep 16, 2026

[feature] Honor max_tokens_per_microbatch in the loss-path forward (forward with loss_fn)

Status: Open.

#2211 In NovaSky-AI/SkyRL;

· avigyabb opened on Sep 15, 2026

[weight sync] Improve offload/backload semantics while training with LoRA with colocate_all=True

Status: Open.

#2206 In NovaSky-AI/SkyRL;

· SumanthRH opened on Sep 14, 2026

Support full-distribution comparison to validate bitwise consistency between rollout and training

Status: Open.

#2201 In NovaSky-AI/SkyRL;

· Future-Outlier opened on Sep 12, 2026

[tinker] Retain only the K most recent checkpoints

Status: Open.

#2116 In NovaSky-AI/SkyRL;

· ktanishqk opened on Sep 1, 2026

[train] FSDP2 cannot train glm4v VLMs: per-nn.Embedding fully_shard leaves vision position_embedding sharded at raw .weight read (grid_sample DTensor crash)

Status: Open.

#2087 In NovaSky-AI/SkyRL;

· dzorlu opened on Aug 22, 2026

Multi-turn VLM generator corrupts trajectories for all thinking models: history-editing chat templates break the deferred obs-token offsets

Status: Open.

#2075 In NovaSky-AI/SkyRL;

· dzorlu opened on Aug 21, 2026

[deps] Migrate custom vLLM-router fork on top of 0.1.15 release of vllm-router

Status: Open.

#2070 In NovaSky-AI/SkyRL;

· SumanthRH opened on Aug 19, 2026

[vllm] Remove old inference worker wrap code after 0.26.0 update

Status: Open.

#2020 In NovaSky-AI/SkyRL;

· erictang000 opened on Aug 12, 2026

[examples] Add example startup scripts for tinker engine

Status: Open.

#1983 In NovaSky-AI/SkyRL;

· erictang000 opened on Aug 4, 2026