Topic on User talk:Volker E. (WMF)/Flow

Hi Volker,

I'd like to better understand the dangers of changes like [changing icons].

1. Why is it 2 weeks to be safe removing the old icons?
2. In what circumstance can a page cached from the previous deployed version be served?
3. How can the 2 icons edit vice-versa? (phab:T244444#6025519).