Windows 10 already allows you to select a higher refresh rate, but in Windows 10 20H2 – which should be due out soon – the Advanced Display Settings page has a new option to change the refresh rate from a drop-down menu right in the Settings app.
The display refresh can be changed by going to Settings > System > Display > Advanced display settings.
Not specific to this preview is an improved experience that Microsoft is rolling out server-side to PCs with Windows 10 version 1809 and higher.
The update shows some of the user's recent searches when the Windows Search Box is opened. The recent list includes the last four things users searched for. These can include apps, files, settings, and URLs.
Users can click the 'x' that appears when mousing over items to get rid of items from the list. The recent list will be hidden for people who haven't used Windows Search Box yet and have zero recent items.