id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	difficulty
120	Allow extensions to consist of import-library only	felix winkelmann		"It is not currently possible to use `require-extension` and avoid loading an extension at runtime, even if we only need the import library at expansion time (like with `matchable` for example). 

The commit 78a1d9712a7c1c1d432cf3ba587dcb44c651ef82 adds a new erxtension property called `import-only`."	enhancement	closed	minor		core-pending	4.2.x	fixed