At https://en.wikipedia.org/wiki/Topic:Soqp728q4rucjbxb I've added
{{collapse top|test collapse}} foo bar {{collapse bottom}}
Problem: After I save a new post, the template, and the earlier post which contained an identical test template, are both displayed uncollapsed. If I refresh the page, the templates are properly collapsed.
Expected: They should be immediately collapsed upon the first rendering.
Immediately after saving:
After refreshing the page: