

Fixed a Brightness issue that would reset the slider to 50% on restart.Fixed an issue with Bluetooth audio device playback stopping after several minutes of playback.Fixed a playback issue for Hulu live TV from playing in Microsoft Edge.Fixed a long delay issue in the Camera app when taking photos.Fixed a black screen issue on servers when waking a display from sleep mode.Fixed an issue that caused display settings to stop working on multi-monitor setups.Fixed several time zone related issues.Fixed a performance regression in Microsoft Internet Explorer if the Microsoft Compatibility List is not used or if roaming profiles are used.Addressed an issue in Microsoft Edge that made file uploads to file hosting services on the Internet fail.Fixed the issue that prevented mapped network drives from reconnecting on start.Fixed the issue that prevented users from setting Win32 programs as the default for certain app and file type combinations.It fixes a large number of issues including some that plagued users ever since the release of the operating system version. The cumulative update KB4469342 is the fourth cumulative update for the Windows 10 version 1809 release channel. Microsoft had to stop distribution for six weeks to fix the most pressing issues.

The update introduced a large number of bugs and issues, from data loss to font and audio playback issues. The October 2018 Update was one of the buggiest feature update releases for Windows 10 ever since Windows 10 was released in 2015.

While it is too early to tell if Microsoft will use the testing system in the future, it would certainly be good for update quality if it did as it would push updates to another set of test systems before making them available to the general Windows population. The company released four previews of the patch to Windows Insider systems for testing in the past couple of weeks which it did not do previously.
