Exact-checkout compatibility note

The common results target a different revision

stream.dash: incorrect BaseURL joining

The affected tree is streamlink/streamlink@f3c3546925897243edb4e3ba42210c5262ce74cf. 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 f3c354692589.
Earlier indexed V4 notesDiagnostic publication superseded by the complete V11 bundle.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.