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Reduce the overhead of updating the activity timeout timer (#2475)
File Scoped Namespaces (#1352)
Drop 3.1 and 5.0 TFMs (#1728)
Use is null instead of == null (#1565)
Move request cancellations to a separate log (#2503)
Using new TimeProvider #2084 (#2108)
Followup after #2098 (#2127)
Use frozen collections (#2272)
Use SearchValues in `RequestUtilities.EncodePath` (#2267)
Improve route string syntax usage (#2253)
Improve TlsFrameHelper (#2587)