: Support for webcam overlays, modular URL overlays, and an in-game Drawing Panel for live annotations.

: Real-time recording of Windows desktop and gameplay with minimal CPU impact, supporting up to 120 FPS .

: General stability fixes to improve overall software performance. Core Features of Mirillis Action! (4.x Series)

: Resolved a "zero-width space" bug where specific window titles caused errors during automatic file name creation.

While version 4.29.4 addressed specific bugs, it carries the flagship features of the 4.x series, which includes:

Mirillis Action! version 4.29.4 was released on . The specific updates for this version focused on technical stability and compatibility rather than major new UI tools: