Version 0.9.0

New features

• Conference audio chats

Bug fixes

• Fix use after free bug on audio calls
• Fix bug causing file names for incoming file transfers to be truncated if they were too long
• Fix bug preventing failed inbound file transfers from being properly cleaned up in some instances
• No longer allow invalid Posix file names for inbound file transfers
• Fix race condition causing a null dereference in some instances related to desktop notifications
• Fix rare bug where toxic would send its avatar as a regular file transfer after a peer has a network hickup during the initial avatar file transfer

Other changes

• Audio implementation re-write
• Refactor and greatly speed up outbound message queue
• Greatly reduce stack memory allocations to ensure compatibility with musl's smaller default stack limit
• Switch to using c99 standard from gnu99
• Convert all variable length arrays to dynamic allocations (Toxic no longer uses VLA's for memory safety reasons)
• Remove legacy code for backwards compatible tox save files created >5 years ago
• Replaced deprecated usleep function with nanosleep
• Rename groupchats -> conferences
• Lots of misc. code cleanup and refactoring