What happens ?
When using macOS 10.15 (Catalina) or later, MovieRecorder and MovieRecorder Express 4.3.9 or earlier can crash after a few hours when using the remote control feature. The crash only concerns the "Server" (the MovieRecorder being controlled by another one), and does not happen on the "Client" (the MovieRecorder controlling another one).
If you don't use remote control (either through another MovieRecorder, a webpage, or our API and a third party), you should not be impacted.
What causes it?
It happens in a code that hadn't changed since a while, and does not happen with previous versions of the OS, so it's an issue specific to macOS Catalina or later.
How to fix it?
As it's a macOS (10.15 or later) issue in a code that we had been using since a while, without change on our side, and as later versions of macOS did not provide a fix, we had to change the methods we use for remote control. Versions 4.4 or later of MovieRecorder and MovieRecorder Express are using this new method.
Thus, we advise all users with macOS Catalina or later (and using the remote control feature of MovieRecorder) to download and install version 4.4 or later of MovieRecorder.
As usual, make sure to run extensive tests with the new version to make sure that it works in your specific use.
Does this issue occur if ANY Catalina system is involved or only if the Remote Mac is running Catalina ?
EG if the Remote MR software is on a Mohave Mac but the controlled Mac is on Catalina, could this issue happen?
It is only when the server is running Catalina (or Big Sur). So the answer is yes. The good news is that the client can be on Catalina with no issue.
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