Here are my thoughts on the current release schedule:

v13.0.0
Release date: September 1st or 2nd

• Supports FFmpeg 6 and FFmpeg 7
• Build wheels with Python 3.13
• Drop support for Python 3.8

vx.x.x
Release date: 2028

• Drop support for x86 MacOS targets

v12.0.0
Released: March 21st, 2024

• Supports FFmpeg 5 and FFmpeg 6
• Builds binary wheels against FFmpeg 6.1.1 and updates internal libraries
• Adds type stubs for type hinting/completion

v12.1.0
Released: May 30, 2024

• Supports FFmpeg 5 and 6