MoonshotAI/checkpoint-engine v0.4.3-rc0

v0.4.3-rc0

Repository: MoonshotAI/checkpoint-engine

Tag: v0.4.3-rc0

Published: 2026-10-22T05:10:17Z

Prerelease: yes

Release notes:

What's Changed

• fix: initialize buffer_b before for-loop to prevent NameError by @Jackie2049 in https://github.com/MoonshotAI/checkpoint-engine/pull/101
• fix: rank=0 falsy-value in ParameterServer.__init__ by @Jackie2049 in https://github.com/MoonshotAI/checkpoint-engine/pull/99
• [XPU] Support checkpoint-engine weight update on Intel XPU by @siju-samuel in https://github.com/MoonshotAI/checkpoint-engine/pull/96
• Support current vLLM StatelessProcessGroup constructors by @rawsh in https://github.com/MoonshotAI/checkpoint-engine/pull/102
• Fix deterministic checkpoint file sharding by @koriyoshi2041 in https://github.com/MoonshotAI/checkpoint-engine/pull/103
• fix: write metas file atomically by @WangXukang-cypher in https://github.com/MoonshotAI/checkpoint-engine/pull/105
• fix: make store-based barrier reusable across updates by @RunningLeon in https://github.com/MoonshotAI/checkpoint-engine/pull/107
• fix: post-process vLLM V2 drafter weights after IPC updates by @SongXiaoXi in https://github.com/MoonshotAI/checkpoint-engine/pull/112

New Contributors

• @Jackie2049 made their first contribution in https://github.com/MoonshotAI/checkpoint-engine/pull/101
• @siju-samuel made their first contribution in https://github.com/MoonshotAI/checkpoint-engine/pull/96
• @rawsh made their first contribution in https://github.com/MoonshotAI/checkpoint-engine/pull/102
• @koriyoshi2041 made their first contribution in https://github.com/MoonshotAI/checkpoint-engine/pull/103
• @WangXukang-cypher made their first contribution in https://github.com/MoonshotAI/checkpoint-engine/pull/105
• @RunningLeon made their first contribution in https://github.com/MoonshotAI/checkpoint-engine/pull/107

Full Changelog: https://github.com/MoonshotAI/checkpoint-engine/compare/v0.4.2...v0.4.3-rc0