With the recent update comes an 'HDR' setting, in displays settings. The new HDR setting is on, by default.
My external monitor (LG 27UK850-W 27" 4K Ultra HD IPS, HDR) looks like its on acid. Colours have turned fluorescent and there's a cast across everything. Apple have had a couple of reports of this bug and are looking into it...If an external display is essential, don't update just yet!
My external monitor (LG 27UK850-W 27" 4K Ultra HD IPS, HDR) looks like its on acid. Colours have turned fluorescent and there's a cast across everything. Apple have had a couple of reports of this bug and are looking into it...If an external display is essential, don't update just yet!