How to Fix Freeplane's Slow Panning and Canvas Lag on Linux

This problem with Freeplane’s canvas performance was annoying to figure out! First, I had some really simple mind maps that were way too jerky to pan around in. Then, every method I tried in the “Preferences” menu, like toggling Anti-Aliasing (AA) or changing rendering hints, didn’t work. Even after a restart. The panning would stutter every time I panned around the mind map, making it annoying to work in the mind map format. After lots of trial and error…here’s my fix! Please note: ...