Commit 40f1ef78 (2026-05-14) accidentally set vllm-nightly-mtp.spec to
nightly-1acd67a7, which is the post-Gemma4-merge nightly used by the
gemma-4-31b compose. The Genesis v7.72.2 PROD pin is nightly-01d4d1ad:
- BENCHMARKS rows from 2026-05-05 onwards reference nightly-01d4d1ad3
- calibration/qwen3.6-27b.yml: engine_pin: vllm-nightly-01d4d1ad
- gemma-4-31b/vllm/compose/single header: "Qwen3.6 composes stay on the
v7.72.2 PROD pin (01d4d1ad3) since Genesis allowlist anchors there"
Effect of the bug: any Qwen 27B launch via launch_compat.py since
2026-05-14 would have used the un-blessed Gemma-merge SHA (1acd67a7),
potentially causing Genesis patch apply failures or silent skips.
Existing benches that hardcoded the image or used the older mechanism
were unaffected.
Notes field updated with the corrected anchor + a PRIOR-BUG breadcrumb
so future readers don't re-introduce the bump.
Co-Authored-By: Claude Opus 4.7 (1M context) <[email protected]>
