The rust sdk includes support for sliding sync behind the experimental-sliding-sync feature. It might be worth exploring what's needed to use it to help with faster syncs.
Now that Matrix 2.0 is pretty much ready and that the Rust SDK is finalizing SSS support, this should be picked up again. I might take a look at it soon :)
The rust sdk includes support for sliding sync behind the
experimental-sliding-sync
feature. It might be worth exploring what's needed to use it to help with faster syncs.