Setting up thumbnail sizes does not work for me in WP Multisite. I tried to submit my settings in Current Site > Settings > Media and in Super Admin > Site > Settings.
My settings: thumb 150x150 ; medium 460x290 ; large 1000x630
What is actually generated: thumb OK ; medium 460x202 ; large 500x219
Does anyone have a clue why my settings are not taken into account? Thanks in advance.