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docs-bug: v21 documentation is unreachable #33804
Description
Documentation Feedback
Selecting v21 in the version dropdown on https://material.angular.dev/cdk/categories leads to https://v21.material.angular.dev/cdk/categories. All the links there lead to https://angular.dev/guide/$component, which defaults to v22. Reverting to v21 there leads to the overview page because the documentation for CDK components didn’t exist before v22. This makes old CDK documentation inaccessible.
Whenever there’s an update to how the documentation is laid out, there are lots of dead links. I wish you’d pay more attention to how links to and from old versions behave when you make these changes.
Activity
docs: use correct version when redirecting externally
docs: use correct version when redirecting externally (#33808)
docs: use correct version when redirecting externally (angular#33808)
mwaibel-go commentedon Sep 16, 2026
The error still persists for the Drag and Drop feature.
https://v21.material.angular.dev/cdk/categories links to https://angular.dev/guide/drag-drop (where v22 is selected). Selecting v21 there leads to https://v21.angular.dev/overview.
(Otherwise thanks for the quick fix)
crisbeto commentedon Sep 16, 2026
Ah yeah, I think I need to backport it to the other branches.
docs: use correct version when redirecting externally
docs: use correct version when redirecting externally (#33808) (#33841)
crisbeto commentedon Sep 25, 2026
I cherry picked the fix, but I think we stopped deploying the v21 docs at some point.