verl

[megatron] fix: mbridge load optimizer dist_ckpt (#3850)

[megatron] fix: VLMs using fused kernels (#3849)

[rollout] fix: incorrect value assignment while trying to access call_tool_result (#3891)

[tool] fix: remove duplicate tool initialization (#3893)

[misc] feat: read environment for WandB entity (team) name (#3889)