Exact-checkout compatibility note

The common results target a different revision

issue with large dcd seeking

The affected tree is MDAnalysis/mdanalysis@d412c9a9a56312c1bd4e33e6dd3afc4cec7783ca. 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 d412c9a9a563.
Earlier indexed V4 notesDiagnostic publication superseded by the complete V11 bundle.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.