• [16.x] Fix Invoice::tax() always returning zero by @svidskiy in #1876
• [16.x] Fix TypeErrors in invoice() and addMeteredPriceAndInvoice() by @svidskiy in #1875
• [16.x] Fix price tax rates with array prices in the subscription builder by @svidskiy in #1878
• [16.x] Fix UnhandledMatchError for ui_mode on Dahlia by @svidskiy in #1877