When you clear the image for a world, it is replaced with pure white.
just look at the screenshot, it shows the bug here.
Created Issue:
When you clear the image for a world, it is replaced with pure white.
just look at the screenshot, it shows the bug here.
Added Assignee:
ProfMobius (Thomas Guimbretiere)

Deleting a world's icon.png shows the "no icon" icon in all test cases.
Are you using a resource pack ?