The user can use special character when naming widgets in widget blueprints which can cause some issues. In this case naming a button "<" and adding a child text block to the button named ">" will cause a crash if copied and pasted twice.

Steps to Reproduce
  1. Open Editor
  2. Create new Widget blueprint
    Right click Content browser > User interface > Widget blueprint
  3. Open Widget blueprint
  4. Drag a button into the designer tab via the Palette panel
  5. Name the button "<"
  6. Drag a text block into the designer tab via the palette panel
  7. Name the text block ">"
  8. Copy and paste the button two or three times
  9. Notice the editor hangs and then crashes

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Cannot Reproduce
ComponentUE - Editor - UI Systems
Affects Versions4.7
Target Fix4.8
Fix Commit2451640
CreatedMar 2, 2015
ResolvedMar 3, 2015
UpdatedApr 27, 2018
View Jira Issue