Do not confuse this with the DOOM Slayers Collection (which includes the update pre-packaged) or DOOM Eternal . This update is strictly for the 2016 reboot.
While previous patches (like v1.1.1) focused heavily on frame rate, v1.2 aimed at image clarity: Resolution Boost DOOM -2016- Switch NSP UPDATE
Early versions suffered from occasional audio "crackling" or dropping out entirely during heavy combat. The updates stabilized the sound engine. Do not confuse this with the DOOM Slayers