Ctrl + M: Enter Mark mode (allows you to select text with mouse). Once Mark mode is enabled, you can use the arrow keys to move the cursor around. Shift + Up or Down: Move cursor up or down one line ...
TL;DR: Microsoft just released a new build for Windows Insiders, and while it may not seem significant on paper, it brings two notable upgrades to the taskbar. Build 26120.1542 for the Dev Channel ...