Everything worked perfectly and without my knowingly updating anything it stopped working as before. Basically i have video textures associated with incoming streams that get mapped to planes and then display in the canvas at various positions. I added a sphere and a box for good measure to keep things honest and ensure that my 3D objects were in the same space as the video textures. The streams are reasonably high res and it all looked perfect.
I loaded it again after shutting down (there were no updates that i am aware of) and now the canvas displays EVERYTHING in ultra low quality, anti-alisasing is completely shot, everything is jagged, the whole thing looks as if it is has been scaled up from 80x60 postage stamp.
Checked all the source, no git changes, nothing changed. Browser, no updates. Eventually i loaded the inspector to see if i could figure anything out and lo and behold the act of loading the inspector fixes the issue. All of a sudden it’s all hi-res and perfect as before. Closing the inspector it stays that way?
Now perhaps, whatever the inspector did to fix this is what i might now myself need to do…or it’s a bug?