Systems, methods, apparatuses, and computer program products for new radio (NR) sidelink (SL) hybrid automatic repeat request (HARQ) feedback are provided. One method may include monitoring, by a user equipment in sidelink groupcast configured with two stage hybrid automatic repeat request feedback channels, a first stage hybrid automatic repeat request feedback channel when no physical sidelink control channel and physical sidelink shared channel is received. The method may include sending a discontinuous transmission indicator or hybrid automatic repeat request negative acknowledgement on a second stage hybrid automatic repeat request feedback channel when hybrid automatic repeat request positive acknowledgement/negative acknowledgement is monitored on the first stage hybrid automatic repeat request feedback channel.