Under the hood
Useful1 Signal2
Sending a message to another local session now goes through the session store directly.
What's wrong with this entry?
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What
The path that delivers a message to another session over a local unix socket now receives the v5 session storage handle as an extra argument, so it can read and write through the session store directly. No message or behaviour visible to a user changed.
Evidence
sendToUdsSocket
Strings lifted out of the shipped bundle, so the claim above can be checked against them.