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[0.12.22] Can not de-upgrade a quality captive biter spawner with an upgrade blueprint

Posted: Thu Jul 30, 2026 7:53 pm
by OKDW
A niche problem, but rather simple:

I tend to store BPs with many legendary buildings, and downgrade their ghosts with an upgrade planner -- for example when I've reached a mid-game state where legendary production hasn't kicked in yet.

The captive biter spawner seems to be one of the few buildings which is broken in the "From - To" columns.
07-30-2026, 21-50-52.png
07-30-2026, 21-50-52.png (1.11 MiB) Viewed 120 times
07-30-2026, 21-48-08.png
07-30-2026, 21-48-08.png (977.52 KiB) Viewed 120 times

Re: [0.12.22] Can not de-upgrade a quality captive biter spawner with an upgrade blueprint

Posted: Thu Jul 30, 2026 7:58 pm
by Loewchen