Delta ChatIt took a while but it's shaping up nicely :) Post-Quantum Cryptography and Reliable Deletion, better known as Forward Secrecy, are going to become available in 2026 in #deltachat. For more details, including the recent #fosdem26 talk recording:
zivi@zaire Unfortunately, on systems which use flash storage like a typical smartphone or laptop with SSDs, the application can't influence when data is getting overwritten, unless it overwrites all unallocated space with zeros: https://www.baeldung.com/linux/wipe-free-space#bd-overview
