Windows 10 Insider Preview 21327 May Become "Horrible" for Your PC
Microsoft has released Build 21327 to the Dev channel about a week ago bringing some brand new features including an updated look of news and interests at the taskbar, new icons, website-pinning (to taskbar), and a couple of other things. But the update comes with some critical issues that may go against your computer.
Build 21327.1000 (rs_prerelease) may hang low-end and mid-range PCs. On the launch of more than two applications, it starts hanging. In our case, we launched two tabs of File Explorer and Google Chrome with a single tab which resulted in the problem though the PC can handle 4-5 tabs of chrome and about 5 opened applications at the same time. And the most shocking matter is that the problem still exists after all the applications closed. We checked the Task Manager whether any application consuming memory. But no application was consuming heavy memory. We signed out and again signed in. This time, the problem reduced a little, but still freezing often. So, the only way was to restart the PC to be normal. Along with the hanging, the cursor was also freezing often. It happened twice or thrice. We also reported a freezing issue for a long time than usual (we had to restart by the CPU) and suddenly power off issue once.
The most dangerous thing is that whenever trying to open related settings (i.e. taskbar settings or sound settings) from the taskbar, Settings closes immediately as soon as it appears (as shown on the video below). It started after installing Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version Next (KB5001030).
Updating the build to 21327.1010 (KB5001277), the freezing problem was reduced. On the contrary, it has slowed down processing speed. As well as, the immediate closing problem did not resolve till now.
Most of the gamers probably face issues like getting only 60Hz refresh rate on even good monitors and freezing issues while making power management if Xbox controller is connected. GPU Compute feature for WSL (Windows Subsystem for Linux) will be also disabled until a new version is released with the fix. You can know more about Windows 10 Insider Preview 21327 here