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Release 1.74.0 was accidentally tagged on the wrong commit and will be deleted. Please update to 1.74.1 which should be released shortly.

• 406c2bf transport: release mutex before returning on expired deadlines in server stre...
• 20ef77a xds: give up pool lock before closing xdsclient channel (#8445)
• 2f9bb38 xdsclient: relay marshalled bytes of complete resource proto to decoders (#8422)
• fa3ec85 xds: Avoid error logs when setting fallback bootstrap config (#8419)
• d307d75 xdsclient: preserve original bytes for decoding when the resource is wrapped ...
• b34f845 server: allow 0s grpc-timeout header values, as java is known to be able to s...
• 1787f94 xdsclient: export genericResourceTypeDecoder (#8406)
• 15299cc xdsclient: make a function to return the supported resource type implementati...
• 20bd1e7 grpc: revert #8278: Fix cardinality violations in non-server streaming RPCs (...
• bdbe6a2 examples/opentelemetry: demonstrate enabling experimental metrics (#8388)
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