Valere Fedronic

FTR, with the new db format it took 3mn to reset all my keys (a bit less than 300k keys) instead of several 10s of minutes previously.

Rust [SDK limit is set to 250 ](https://github.com/matrix-org/matrix-rust-sdk/blob/9f75552c9b2e20f683db6b2f088c8e22a7eb552e/crates/matrix-sdk-crypto/src/session_manager/group_sessions.rs#L147) Added a task in [regression test list](https://github.com/matrix-org/complement-crypto/blob/main/TEST_HITLIST.md#regression-tests) to later implement.

There is this also `sendSharedHistoryKeys`

Quick not on `requestSecret` there is an API (since 3.5.0) on rust that allows to `requestMissingSecrets`. It's not an exact mapping but there might be a way to replace it.

Looks like there is a slash command called `remakeolm` that was available in legacy crypto. No effect in rust https://github.com/matrix-org/matrix-react-sdk/blob/618462ba06d1d2f64fc589402198529dceae8fe2/src/SlashCommands.tsx#L761

Should probably be by default on encrypted DM (and rooms?) Not sure if adding it as a per room is not too much (in term of complexicity) Maybe option in...

I had this error again a few times always the same log > encryptEventContent() : Unable to encrypt Room was previously configured to use encryption, but is no longer. Perhaps...

https://riot.im/bugreports/listing/2020-02-26/160613/

-> https://riot.im/bugreports/listing/2020-04-03/100612/

Needs re-testing