v0.5.27 release (latest)

v0.5.27 release notes for the GitHub Release v0.5.27 (release task: Issue #1160).

Tag state (verified against origin)

Ref	Object	Points at
`v0.5.27`	annotated tag `74d44bd5329a773875e6c8b8fcf12261e34b1ca4`	commit `f0d3043acd991cac6c0759d8c86804e272b1e7cc`

Runner comments print every internal identifier in the visible body and never state the review verdict; wrap the debug fields in a collapsed details block and add the verdict line (display only) (Issue #1153; PR #1154)

README’s hand-written Ledger line is stale by 46 PRs, 75 issues and 10 releases; the counts should not be hand-written at all (Issue #1151; PR #1152)
Attribution: add ?ref= to the outbound Cloud CTAs in README and docs (Issue #1156; PR #1158)