v0.5.56 发布（最新）

v0.5.56 的 GitHub Release 发布说明：v0.5.56（release task：Issue #1474）。

Tag 状态（对 origin 验证）

Ref	对象	指向
`v0.5.56`	注解 tag `1149987bef5fb3822012f97d014e1dd297f9a3c2`	提交 `13c7ca83d71112fa83a76b429f7f9b766fcd1d60`

A PR waiting for CI makes every runner tick exit instead of claiming ready work (Issue #1473; PR #1476)
Milestone decision notices are never closed after active_milestone moves on (Issue #1475; PR #1477)