[BUG] 8.1.5 Designer Project Import very slow compared to Export

Not sure if this is still an issue in less ancient versions, but in 8.1.5 the export dialogue treeview is basically lag-free while importing the same export is extremely sluggish. Warning: Don’t try to use the mouse scroll otherwise you’ll be waiting a long time to do anything else while it catches up.

If it’s relevant, my project export is 23MB so a reasonably-sized project (515 views, 426 windows, 690 templates).

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I actually just recently did some work in this area and significantly improved things. It won’t land until 8.1.15 at the earliest, but it’s coming.

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These changes did make 8.1.15 after all.

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This seems to still be an issue and with both export and import procedure.

Ignition designer
Ignition Platform 8.1.18