The latest Windows 10 May 2019 aka Version 1903 cumulative update KB4505903 (Build 18362.267) brought a lot of fixes and improvement and you can read the full changelog by clicking here. However, this update also brought fixes for two important and widely reported issues faced by many Windows 10 May 2019 users.
The update has fixed the issue of audio glitches on PCs caused by DPC latency spikes.
The Windows 10 1903 DPC latency spike issue (causing audio glitches on some PCs) is fixed in KB4505903. You should see that come through Windows Update normally, shortly. If in a hurry, you can grab the stand-alone installer from here: https://t.co/0QOc4RkzU4
— Pete Brown @ Microsoft/Windows (@Pete_Brown) July 28, 2019
It has resolved another issue that was causing color banding resulting in abnormal color gradient, which in turn, was making the display look dull.
While the cumulative update is rolling out to all Windows 10 version 1903 users. If you haven’t got it yet you can try installing it manually too.