You'll notice
Useful3 Signal1
Plugins you symlinked for local development are no longer flagged orphaned and swept away.
What's wrong with this entry?
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What
The routines that write, read and clear the orphan marker on cached plugins now stop early if the plugin path is a symbolic link. Development plugins linked into the cache are no longer flagged as orphaned or swept by cache cleanup.
Evidence
Failed to remove .orphaned_at
Strings lifted out of the shipped bundle, so the claim above can be checked against them.