Microsoft brought a new update for Windows 11, included in the version Insider Preview (Canary). Windows 11 Insider Preview 25941 brings a number of notable changes in advanced display settings (Dynamic Refresh Rate), “Cast“, plus solving some errors from the previous versions.
In this preview version for Insider users, you will notice that some changes have been held on the Advanced Settings for Display, accessible from the menu: Settings > System > Display > Advanced display.
After activation “Dynamic Refresh Rate”, Windows 11 Dynamically adjust the refresh rate to the selected value to help saving energy.

In addition, small changes have been made to inform users about limitations (related to display or cable) that may not allow you to set a high refresh rate when using a high display resolution. When selecting a refresh rate, you may notice that some refresh rates will display an asterisk. This means that, in order to select that specific refresh rate, the display resolution will have to be modified in one to support the selected refresh rate. This behavior occurs when there are limitations caused by cable or display capabilities.
Cast in Windows 11 Insider Preview 25941
Besides Dynamic Refresh Rate, Microsoft has brought improvements and function Cast, already entered in Build 25926. menu “Quick Settings” It now has additional support for users who have difficulty finding nearby displays and solving connections.

In addition to these news, a number of errors and bugs present on the previous versions were resolved.
The issues that affected the context menu and the command boxes in File Explorer, making them transparent and non-functional to the touch.
Remedmed issues that affected the reliability of the launch File Explorer.
Problems that determined the Japanese and Chinese images were remedied not to operate properly in certain applications and not to operate properly in the file search box.
A problem was remedied that cause the panel closure “Settings” when the detailed battery use is visualized.
New options for intensity adjustment and color improvement in “Color Filters” They have tags now.