• Proposal ([Calc Functions] Add a proposal #3540)
• Original Implementation (these changes incorrectly caused a breaking change and had to be reverted; see Support additional calculation functions #3504 (comment))
  • Dart Sass (Calc functions implementation dart-sass#1970)
  • Tests (Calc functions tests sass-spec#1912)
  • Documentation (Update calculation functions documentation sass-site#755)
• Revert
  • Dart Sass (Revert new calculation functions dart-sass#2067)
  • Tests (Revert "Calc functions tests (#1912)" sass-spec#1931)
  • Documentation (Revert documentation of the new calculation functions sass-site#804)
• Roll Forward
  • Dart Sass (Re-enable new calculation functions dart-sass#2076)
  • Tests (Re-enable calc function specs sass-spec#1934)
  • Documentation (Re-add new calculation function documentation sass-site#831)
  • Update canonical spec ([Calc Functions] Apply to main specification #3693)
• Breaking Changes
  • Dart Sass
  • Tests
  • Documentation

Trigonometric calculation functions have landed in Firefox and Safari, and the rest of the calculation functions seem to be live in Safari. We should support these in Sass.