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RFC: GPU Time-Sharing Support for NeMo RL Async GRPO

community-request

enhancementNew feature or requestNew feature or request

Status: Open.

#2244 In NVIDIA-NeMo/RL;

· taoluo opened on Apr 10, 2026

Expose hardcoded Megatron infrastructure parameters to user config

community-request

Status: Open.

#2229 In NVIDIA-NeMo/RL;

· nic-nvidia opened on Apr 8, 2026

save_megatron_model deadlocks during HF-to-Megatron checkpoint conversion (fully_parallel_save)

community-request

needs-follow-upIssue needs follow-upIssue needs follow-up

Status: Open.

#2225 In NVIDIA-NeMo/RL;

· nic-nvidia opened on Apr 7, 2026

transformers 5.3.0 requires accelerate >= 1.1.0

bugSomething isn't workingSomething isn't working

community-request

needs-follow-upIssue needs follow-upIssue needs follow-up

Status: Open.

#2221 In NVIDIA-NeMo/RL;

· bogdansalyp opened on Apr 6, 2026

Make only_unmask_final flag configurable for SFT.

community-request

enhancementNew feature or requestNew feature or request

needs-follow-upIssue needs follow-upIssue needs follow-up

Status: Open.

#2219 In NVIDIA-NeMo/RL;

· dhineshkumar-r opened on Apr 6, 2026

Adding support for Gemma4 model family

enhancementNew feature or requestNew feature or request

Status: Open.

#2212 In NVIDIA-NeMo/RL;

· sharonyu-115 opened on Apr 4, 2026

Custom worker environment doesn't support extra libraries

bugSomething isn't workingSomething isn't working

community-request

Status: Open.

#2199 In NVIDIA-NeMo/RL;

· bogdansalyp opened on Apr 2, 2026

Race condition: NaN in generation_logprobs when in_flight_weight_updates=true with vLLM PP>1

bugSomething isn't workingSomething isn't working

Status: Open.

#2180 In NVIDIA-NeMo/RL;

· sharonyu-115 opened on Mar 31, 2026

OPD with Nemo Gym

enhancementNew feature or requestNew feature or request

Status: Open.

#2165 In NVIDIA-NeMo/RL;

· cmunley1 opened on Mar 30, 2026

KeyError: 'truncated' when I set overlong_filtering: true in grpo training with NeMo-Gym

bugSomething isn't workingSomething isn't working

community-request

Status: Open.

#2163 In NVIDIA-NeMo/RL;

· fangrui10 opened on Mar 30, 2026

gpt-oss-20 OOMs on 8 B200s using default config

bugSomething isn't workingSomething isn't working

community-request

Status: Open.

#2157 In NVIDIA-NeMo/RL;

· jiosephlee opened on Mar 26, 2026

How to make it training faster using GDPO

bugSomething isn't workingSomething isn't working

community-request

needs-follow-upIssue needs follow-upIssue needs follow-up

Status: Open.

#2153 In NVIDIA-NeMo/RL;

· firmmm opened on Mar 25, 2026