Pre-release: MovieRecorder and MovieRecorder Express 4.6.6

About pre-releases (read me!)

Before you download and use a pre-release version, make sure to check the READ ME article to know how to use pre-release versions and their limitations.

Download links 

MovieRecorder Version 4.6.6b23 (20 November 2025)

MovieRecorder Express  Version 4.6.6b23 (20 November 2025)

Release Notes

What's new in MovieRecorder & MovieRecorder Express?

• NEW: Updated NDI SDK to 6.2.1 - r146761, and using new audio sync
• NEW: REST API: Added the ability to ask MovieRecorder to execute an AppleScript GET /applescripts/My%20Script
• NEW: REST API: Added support for HTTPS
• IMPROVED: Minor user interface changes for macOS Tahoe
• IMPROVED: Performances when recording large frame sizes (8K and up)
• IMPROVED: Updated menu items icons
• IMPROVED: Video formats (display modes) are now more consistent
• FIXED: Issues with SD anamorphic not being recorded properly.
• FIXED: Issues with "loop recordings". In some rare cases we could start writing again at a wrong location in the file.
• FIXED: REST API: Changing the scheduled recording names would not apply
• FIXED: REST API: It was not possible to set the start of a scheduled recording to midnight.
• FIXED: Potential leak with NDI sources

What's new in MovieRecorder?

• IMPROVED: Scheduler WebUI: Now showing the first day of week depending on system settings
• FIXED: Issues with HD codecs using 1440 x 1080 resolution (XDCAM HD, HDV,...). Aspect ratio was not properly set.