Under the hood
Session storage's read cache now also clears a matching identities map when entries are invalidated
What
An internal caching component used for session storage now tracks an additional identities map. When cached entries are invalidated on the "read" path, matching keys are now also removed from this identities map, not just from the main cache.
Why
This keeps identity-related cache data from going stale alongside the rest of the invalidated cache, avoiding a case where stale identity data could linger after a read invalidation.
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The writer flagged doubt
What the identities map is used for and what user-visible effect stale entries would have is not stated.