You'll notice
Useful2 Signal2
A slow background read can no longer write stale plugin data back after the cache clears.
What's wrong with this entry?
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What
The list of installed plugins is now versioned with a counter that ticks whenever the cache is cleared or the file is replaced. A background read captures the counter first and discards its result if the counter moved, so a read that was still in flight when the cache was invalidated no longer writes stale plugin data back.
Evidence
installedPluginsEpoch
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.