[GRL] Land PR400 sparse/delta megatron-lm dependency#16

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flowerfox-scitix wants to merge 5 commits into

sirl-stablefrom

Commits on May 20, 2026

feat(tree-native): add tree-attention metadata + position_ids surface for tree training (#3)

racky-scitix
and
MaoChouHJM
authored

Commits on May 27, 2026

feat(sparserl-sync): integrate SparseRL-Sync sparse diff tracking into optimizer (#5)

tonic-scitix
and
claude
authored

Commits on Jun 23, 2026

Commits on Jun 24, 2026

fix(moe): keep routing replay state out of megatron
codex
committed