# \#development

**URL:** https://discourse.slicer.org/tag/development/550.md

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## [slicer.modules.SegmentEditorWidget does not exists anymore](https://discourse.slicer.org/t/slicer-modules-segmenteditorwidget-does-not-exists-anymore/47334)

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**Author:** [@joachim](https://discourse.slicer.org/u/joachim)\
**Replies:** 3\
**Last updated:** [June 22, 2026, 8:19am UTC](https://discourse.slicer.org/t/slicer-modules-segmenteditorwidget-does-not-exists-anymore/47334 "2026-06-22T08:19:42Z")

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I haven’t updated Slicer for a while, but now my .slicerrc does not work as usual. I have the line slicer.modules.SegmentEditorWidget.editor.findChild( "QWidget", "EffectsGroupBox" ), but in the newest Slicer version the…