src/vs/workbench/contrib/update/browser/update.ts/showReleaseNotes
function showReleaseNotes(instantiationService: IInstantiationService, version: string) {
	if (!releaseNotesManager) {
		releaseNotesManager = instantiationService.createInstance(ReleaseNotesManager);
	}

	return instantiationService.invokeFunction(accessor => releaseNotesManager!.show(accessor, version));
}