It seems that recent OS X updates have broken compatibility with the current version 4.8.6 of Qt. There's nothing I can do to solve this problem until I complete the migration to Qt 5, where these incompatibilities are
supposed to be fixed more regularly. This migration is a complex task, which I'll try to complete as soon as possible but may easily take several months.
You can solve this problem (which, BTW, I haven't been able to reproduce since we fixed a similar issue in 2013) you can use multiplatform file dialogs:
- Select EDIT > Global Preferences from the main menu.
- On the Preferences tool window, select the File I/O Settings item on the left side.
- Uncheck the Use native file dialogs option.
- Click the Apply Global button (blue sphere) or press F6.
Now when you select File > Open, File > Save As, or make a double click on the workspace, PixInsight will use its own dialog windows instead of the native platform dialogs.
Also in one of Harry's videos he refers to renaming a process and copying the new name to use if/when saving the process. On the mac copy, and paste do not work in these windows, also greyed out on the menu bars. Is this a bug or should this functionality not be available in these windows?
This is not a bug. These operations are not supported by native OS X file dialogs. They are supported by our multiplatform dialogs, however.