You are indeed right.
After every download they want you to wait 5 minutes and afterwards another download can be started.
I've removed the limit for the next CORE-update.
Wartest du auf einen angekündigten Bugfix oder ein neues Feature?
Updates werden nicht immer sofort bereitgestellt!
Bitte lies unser Update FAQ! | Please read our Update FAQ!
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Are you waiting for recently announced changes to get released?
Updates to not necessarily get released immediately!
Bitte lies unser Update FAQ! | Please read our Update FAQ!
-psp-