Changes include: - [ ] Support latest rendezvous session API from MSC4388 - [ ] Support latest secure channel from MSC4388 once available from matrix-rust-sdk-crypto-wasm - [ ] Allow SDK to work with both the 2024 and 2025 versions of MSC4108 PRs: - [ ] https://github.com/matrix-org/matrix-js-sdk/pull/5185
