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Attachments:

• Recording of the issue (was reproduced multiple times locally
• Savefile (issue persists after exit)
• Logs

Note: 2.0.12 was released as stable right when I was filing this issue, so forced to select 2.0.11 when restarting the game, even though the issue persists on the newer version (checked that)

Note 2: I changed what linked constant combinator contains in "prod" but not in the blueprint, that might be related.

Thanks for the report. Issue is now fixed for 2.0.19.

Issue is that placing blueprint with constant combinator over already placed constant combinator was reporting that settings changed which creates copy settings undo action. I made constant combinator not report as settings changed when they were not changed which should prevent undo action spam from being created.

boskid wrote: ↑Fri Nov 15, 2024 12:15 am Thanks for the report. Issue is now fixed for 2.0.19.

Issue is that placing blueprint with constant combinator over already placed constant combinator was reporting that settings changed which creates copy settings undo action. I made constant combinator not report as settings changed when they were not changed which should prevent undo action spam from being created.

Hi, Boskid. The same issue re-appeared in 2.0.21 in slightly different form -- when I deploy the very same train depot and the immediately undo the deployment, it undoes (or redoes) only the constant comb change -- the train blueprint remains untouched. Also, the constant comb it changes is located on a different planet -- IDK where. To truly undo the change I need to undo it 3 times.

At least the undo stack is not corrupted anymore.

Looks fixed again in 2.0.22. Probably, fixed during resolving this bug:

FactorioBot wrote: ↑Tue Nov 26, 2024 4:53 pm Bugfixes

• Fixed that undo tooltips could show the wrong surface. (122364)