

The default key to open the features menu is Right Shift. You can change it in the config, look for it in your mod manager. (You can also change the color palette there)
Everything is configured optimally by default, but you can adjust a features settings by clicking the wrench icon next to its toggle button.
You can adjust the transparency and colors in the featuress settings by clicking the wrench icon
By default, the Use route preferred colors setting is enabled.
If the route author has set preferred colors, they will override your custom colors.
You can either disable this setting or edit the routes colors directly in its json file.
look to the route label and press the middle mouse button to toggle the route.
all routes storing in bepinex/histools/routes
Example for Gale mod manager: C:\Users\your_name\AppData\Roaming\com.kesomannen.gale\white-knuckle\profiles\Default\BepInEx\HisTools\Routes
You can find route .json file and delete or edit it.
The folder structure inside Routes does not affect how routes work, its purely for convenience.
These are markers for your jumps. Each jump creates a new marker.
Either disable the feature manually, it will save your recording, or enable Auto-stop so that the feature turns off automatically near the level exit (distance is configurable), saving your recording.
You need to hover over the spot where you want to place a note and press the middle mouse button.
After finishing the recording, you can edit the created note in the routes json file
You need to play more levels so data can be collected.
You can view the runs history in BepInEx\HisTools\SpeedrunStats\.