Bad clients issue stemming from the bad design. Soatok covered it very well here: https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/ https:

Bad clients issue stemming from the bad design. Soatok covered it very well here: https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/ https://soatok.blog/2024/08/14/security-issues-in-matrixs-ol... I'm quite sure most of these issues were fixed by now, but the fundamental issues remain, at least in this federation.