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Scroll wheel goes back through the dialog. If your last action was not text-based, it'll repeat that instead. That's why you can scroll around the preg wheel and redo it until you get the result you want. This is called rollback, it's a "basic" Renpy feature most games have. They blocked it in 0.20 and re-enabled it with the 0.21 code rework |
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As explained above, this is very much a feature and not a bug. You can also scroll in the other direction to redo previously undo steps. |
- Anonymous