Matrix visual row header wrapping expands infinitely after publishing to Service

Issue observed in Power BI Service after recent Matrix visual updates.

Scenario:

• Matrix visual with Question field in Rows

• Measure in Values

• Row header word wrap enabled

• Auto-size column width disabled

• Responsive layout disabled

Behavior:

• Works correctly in Power BI Desktop

• After publishing to Power BI Service:

  • Row header expands infinitely

  • Other columns become hidden

  • Horizontal scroll does not appear

  • Matrix becomes unusable

Tried:

• Disabling auto-size width

• Disabling responsive layout

• Reducing row padding

• Manually resizing columns

• Republishing report

Issue persists only in Power BI Service.