1.77.0rc1

changelog.d/14938.misc

-Bump types-pillow from 9.4.0.3 to 9.4.0.5.

changelog.d/14939.misc

-Bump hiredis from 2.0.0 to 2.1.1.

changelog.d/14942.bugfix

-Fix a bug introduced in Synapse 1.68.0 where we were unable to service remote joins in rooms with `@room` notification levels set to `null` in their (malformed) power levels.

changelog.d/14943.feature

-Experimental support for [MSC3952](https://github.com/matrix-org/matrix-spec-proposals/pull/3952): intentional mentions.

changelog.d/14944.bugfix

-Fix a bug introduced in Synapse v1.64 where boolean power levels were erroneously permitted in [v10 rooms](https://spec.matrix.org/v1.5/rooms/v10/).

changelog.d/14945.misc

-Fix various long-standing bugs in Synapse's config, event and request handling where booleans were unintentionally accepted where an integer was expected.

changelog.d/14947.bugfix

-Fix a long-standing bug where sending messages on servers with presence enabled would spam "Re-starting finished log context" log lines.

changelog.d/14949.misc

-Update build system requirements to allow building with poetry-core==1.5.0.

changelog.d/14950.misc

-Faster joins: tag `v2/send_join/` requests to indicate if they served a partial join response.

changelog.d/14952.misc

-Bump docker/build-push-action from 3 to 4.

changelog.d/14953.misc

-Add an [lnav](https://lnav.org) config file for Synapse logs to `/contrib/lnav`.

changelog.d/14954.misc

-Faster room joins: Refactor internal handling of servers in room to never store an empty list.

changelog.d/14956.misc

-Add missing type hints.
\ No newline at end of file

changelog.d/14957.feature

-Experimental support for [MSC3952](https://github.com/matrix-org/matrix-spec-proposals/pull/3952): intentional mentions.

changelog.d/14958.feature

-Experimental support for [MSC3952](https://github.com/matrix-org/matrix-spec-proposals/pull/3952): intentional mentions.

changelog.d/14960.feature

-Experimental support to suppress notifications from message edits ([MSC3958](https://github.com/matrix-org/matrix-spec-proposals/pull/3958)).

changelog.d/14962.feature

-Improve performance when joining or sending an event large rooms.

changelog.d/14965.misc

-Allow running `cargo` without the `extension-module` option.

changelog.d/14968.misc

-Bump dtolnay/rust-toolchain from e645b0cf01249a964ec099494d38d2da0f0b349f to 9cd00a88a73addc8617065438eff914dd08d0955.

changelog.d/14970.misc

-Improve performance of `/sync` in a few situations.