snapshot of https://github.com/RocketChat/Rocket.Chat.git (develop, 2026-09-16; blobs > 131072B omitted)

apps/meteor/client/views/room/Header/ParentRoom/ParentDiscussion/ParentDiscussion.tsx

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+import type { IRoom } from '@rocket.chat/core-typings';
+import { isRoomFederated } from '@rocket.chat/core-typings';
+import { useRoomRoute, useUserDisplayName } from '@rocket.chat/ui-client';
+import { useSetting } from '@rocket.chat/ui-contexts';
+import { useTranslation } from 'react-i18next';
+
+import ParentRoomButton from '../ParentRoomButton';
+
+export type ParentDiscussionProps = {
+	loading?: boolean;
+	room: Pick<IRoom, '_id' | 't' | 'name' | 'fname' | 'prid' | 'u' | 'federated'>;
+};
+
+const getChannelRoomName = (room: ParentDiscussionProps['room'], allowSpecialChars: boolean): string => {
+	if (room.prid || isRoomFederated(room)) {
+		return room.fname || '';
+	}
+
+	return (allowSpecialChars ? room.fname || room.name : room.name) || '';
+};
+
+const ParentDiscussion = ({ loading = false, room }: ParentDiscussionProps) => {
+	const { t } = useTranslation();
+	const goToRoom = useRoomRoute();
+	const allowSpecialChars = useSetting('UI_Allow_room_names_with_special_chars', false);
+	const userDisplayName = useUserDisplayName({ name: room.fname, username: room.name });
+	const roomName = room.t === 'c' || room.t === 'p' ? getChannelRoomName(room, allowSpecialChars) : (userDisplayName ?? '');
+
+	const handleRedirect = (): void => {
+		goToRoom({ rid: room._id, t: room.t, name: room.name });
+	};
+
+	return <ParentRoomButton loading={loading} onClick={handleRedirect} title={t('Back_to__roomName__channel', { roomName })} />;
+};
+
+export default ParentDiscussion;

apps/meteor/client/views/room/Header/ParentRoom/ParentDiscussion/ParentDiscussionRoute.tsx

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+import type { IRoom } from '@rocket.chat/core-typings';
+import { useUserSubscription } from '@rocket.chat/ui-contexts';
+import { useMemo } from 'react';
+
+import ParentDiscussion from './ParentDiscussion';
+import ParentDiscussionWithData from './ParentDiscussionWithData';
+
+export type ParentDiscussionRouteProps = {
+	room: Pick<IRoom, '_id' | 't' | 'name' | 'fname' | 'prid' | 'u'>;
+};
+
+const ParentDiscussionRoute = ({ room }: ParentDiscussionRouteProps) => {
+	const { prid } = room;
+
+	if (!prid) {
+		throw new Error('Parent room ID is missing');
+	}
+
+	const subscription = useUserSubscription(prid);
+	const parentRoomProps = useMemo(
+		() =>
+			subscription
+				? {
+						_id: subscription.rid,
+						t: subscription.t,
+						name: subscription.name,
+						fname: subscription.fname,
+						u: subscription.u,
+						federated: (subscription as any).federated as IRoom['federated'],
+					}
+				: undefined,
+		[subscription],
+	);
+
+	if (subscription && parentRoomProps) {
+		return <ParentDiscussion room={parentRoomProps} />;
+	}
+
+	return <ParentDiscussionWithData rid={prid} />;
+};
+
+export default ParentDiscussionRoute;

apps/meteor/client/views/room/Header/ParentRoom/ParentDiscussion/ParentDiscussionWithData.tsx

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+import type { IRoom } from '@rocket.chat/core-typings';
+
+import ParentDiscussion from './ParentDiscussion';
+import { useRoomInfoEndpoint } from '../../../../../hooks/useRoomInfoEndpoint';
+
+export type ParentDiscussionWithDataProps = { rid: IRoom['_id'] };
+
+const ParentDiscussionWithData = ({ rid }: ParentDiscussionWithDataProps) => {
+	const { data, isPending, isError } = useRoomInfoEndpoint(rid);
+
+	if (isError || !data?.room) {
+		return null;
+	}
+
+	return <ParentDiscussion loading={isPending} room={data.room} />;
+};
+
+export default ParentDiscussionWithData;

apps/meteor/client/views/room/Header/ParentRoom/ParentDiscussion/index.ts

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+export { default } from './ParentDiscussionRoute';