When I receive a new message, an m.room_key event is sent, and I can create my OlmInboundGroupSession and decrypt the message. But when I try to decrypt a past message and send an m.room_key_request, ...

Post a message to a matrix room with a simple HTTP POST - nim65s/matrix-webhook. Skip to content. Navigation Menu Toggle navigation. Sign in Appearance settings. ... `MATRIX_TOKEN` -k API_KEY, ...

He said that a newer generation of Matrix apps, including ElementX, Hydrogen, and Third Room, are unaffected. There are no indications that the vulnerabilities have ever been actively exploited ...