15.0.4 (2022-12-14)

Commit	Description
	display actionable error when a style does not exist in Karma builder
	downlevel class private methods when targeting Safari <=v15
	include sources in generated Sass source maps
	only set ngDevMode when script optimizations are enabled
	update `css-loader` to `6.7.3`
	update locale setting snippet to use `globalThis`.

Special Thanks

Alan Agius and Charles Lyding