Hi,
Fundraising would like the ability to snapshot or retrieve a CentralNotice
banner exactly as it was rendered at an earlier time, including the old
revisions of templates, which is tricky and AFAICT not supported by
MediaWiki-core.
I know this issue has come up before but it looks like development is
external and has died out. The most relevant code seems to be
Extension:BackwardsTimeTravel, which adds some expensive-looking hook
callbacks, and Extension:Memento, which is too far into the future and
amends how HTTP operates.
If ours is an unsupported usage, we'll have to implement a horrible kludge
such as taking a recursive snapshot of all transcluded pages.
Thanks,
Adam
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