Safari 14, Shadertoy and WebGL 2

(Edit 2021: In the lat­est Safari 14.2 the Shader­toy does not work and my crash or hang the dis­play. This is unfor­tu­nate­ly a regression.)

This is a quick post thrown togeth­er to report on my expe­ri­ence with the new Safari 14 regard­ing sup­port for WebGL 2. The news of improved WebGL sup­port was float­ed last month in the Shader­toy Com­mu­ni­ty Group:Fast for­ward to today and the Safari 14 update has now come to my lap­top (which still runs macOS Mojave). So the first thing I did check out all my shaders on Shader­toy and then some to see if the promis­es were true. My ver­dict (TL/DR):