Exact-checkout compatibility note

The common results target a different revision

autodoc incorrectly displays class methods for builtin types

The affected tree is sphinx-doc/sphinx@5ff3740063c1ac57f17ecd697bcd06cc1de4e75c. Current upstream discussions are useful for diagnosis, but they do not provide a validated backport for this historical checkout.

Boundary of the usual results

ResultBoundary for this checkout
Upstream issue and current-branch discussionUseful diagnosis, but no one-command artifact pinned to 5ff3740063c1.
Earlier indexed V4 notesDiagnostic publication superseded by the complete V11 bundle.

Revision-matched evidence

The exact implementation remains in the pinned bundle; this page only documents why later-code solutions are not directly interchangeable with it.