I'm having this weird issue with win 11 when my laptop goes to sleep the pinned icons on the taskbar disappear. The task view and the widgets buttons are ok. This is also random.

Toggle the Search, Task View, Widgets, and Chat buttons to turn them off. However, if you want to get those icons back on the Taskbar, you need to go to the same location in the Windows Settings ...

Windows 10: Now you can remove the Search and Task View buttons from the taskbar. You can also see the "blue n" folder icon that I mentioned earlier.

Either click on the Task View icon on the task bar (shown below and highlighted in red), or press the Win-Tab keys simultaneously. Either option will open the Task Viewer. The Task View view.

Alternatively, you can click the Task View button on the taskbar, which looks like two overlapping rectangles. Customizing Task View: To customize Task View, go to Settings > System > Multitasking.