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After migrating a save file from 0.16(.51) to 0.17(.7 & .8; this happened multiple times), at least some splitters in the map with priority settings became stuck trying to output to the blocked priority side, and would not let items through to the other output lane.

Can't attach save file (too big, I guess), so here: 0.16 (pre-migration) and 0.17 (after migration)

In the 0.17 version of the save, my character is standing right next to a Fast splitter that exhibits this issue.

Log file attached for completeness (game is still running, so it doesn't have any shutdown lines), though I didn't see anything in the log that looked relevant.

Thanks for the report. When migrating saves between major versions with belt changes like this you have to manually restart belts in order for them to keep moving.

Hi,

happened the same with a single prioritized splitter, after updating from 0.18.6 to 0.18.7.

The save was created in 0.18.2.