While this specific sub-version is primarily about reliability, it carries all the flagship features introduced in the Capture One 22 cycle:
Capture One 22 Pro (v15.4.2.12) is a maintenance-focused "service pack" released in late 2022 to provide stability and extended hardware support for professionals. Key Features in v15.4.2 Capture One 22 Pro 15.4.2.12
Added support for certain Canon models (like the R5 and R3) to shoot directly to a computer without cables. Stability and Bug Fixes Combines bracketed shots into a single linear DNG
Fixed floating tool keyboard shortcut bugs and issues where adjustment layers wouldn't load in the correct order. Capture One 22 Pro 15.4.2.12
Combines bracketed shots into a single linear DNG with expanded dynamic range.
This specific version (15.4.2) addressed several critical performance issues:
Improved the stability of remote sharing sessions to prevent unexpected disconnections. Hardware & Performance Capture One 22 (15.4.2) release notes