src/vs/workbench/contrib/extensions/browser/extensionsActions.ts/SwitchToPreReleaseVersionAction/update
class SwitchToPreReleaseVersionAction:	update(): void {
		this.enabled = !!this.extension && !this.extension.isBuiltin && !this.extension.local?.isPreReleaseVersion && this.extension.hasPreReleaseVersion && this.extension.state === ExtensionState.Installed;
	}