Plugin installs now warn you when the marketplace catalog could not be refreshed and may be stale.
What's wrong with this entry?
Installing a plugin from a marketplace that could not be refreshed now adds a warning that the version may be stale, and a plugin-not-found message now explains that the marketplace could not be refreshed so its cached catalog may be out of date.
installed from the cached catalog, so the version may be stale
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
Related
Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.