You can clear the Thumbnails and Model cache if it seems like something will not update or if you feel you are encountering an error.
If you hover your mouse over an option it will give you a brief explanation of what the options does. Uncheck to turn them off.
Turns off the notification that there is something new product in the store.
When loading a map larger than 2048X2048 (or what you increased the Map Size Limit too, see below), a warning will pop up letting you know that the map will be downsized.
The default map size is 2048X2048, when importing a map larger than that it will tell you that it’s going to be downsized to 2048X2048. You can change the Map Size Limit to a max of 8192X8192 with drop down.
You can access the preferences panel from the Scene Interface File/Preferences