I tested at Linux Mint 19.3.
The behaviour is same as earlier...
The animation works, but saving does not work
Can you make some debug for me?
I like your macros and I want that it works for me
OS: Linux Mint 19.3 (MATE/mate)
Word size of FreeCAD: 64-bit
Build type: Release
Python version: 3.6.9
Qt version: 5.9.5
Coin version: 4.0.0a
OCC version: 7.5.1
Locale: English/UnitedStates (en_US)