v3.4.6
Drop obsolete Python code (mostly leftovers from py2 to py3 migration) (#21538)
Fix #22065: Ensure MathExpressionEditor Displays Previous Content Correctly (#22154)
Separate exploration data files from other extensions.
Apply prettier 2 (#19862)
Fix #14085: Deprecate math interactions' unsupported rules and update cust arg name. (#15271)