Nothing shows up in search about this.
But a ton of the Studio class’ properties are not documented directly on their API reference page. Some are, and some are documented when you go the API reference page of the property itself, but a lot of them aren’t at all.
Here are the links to the undocumented properties:
Links
https://developer.roblox.com/en-us/api-reference/property/Studio/RuntimeUndoBehavior
https://developer.roblox.com/en-us/api-reference/property/Studio/Search-Content-For-Core-Scripts
https://developer.roblox.com/en-us/api-reference/property/Studio/Show-CorePackages
https://developer.roblox.com/en-us/api-reference/property/Studio/Show-FileSyncService
https://developer.roblox.com/en-us/api-reference/property/Studio/Show-Hidden-Objects-in-Explorer
https://developer.roblox.com/en-us/api-reference/property/Studio/Show-Whitespace
https://developer.roblox.com/en-us/api-reference/property/Studio/Show-plus-button-on-hover-in-Explorer
https://developer.roblox.com/en-us/api-reference/property/Studio/Skip-Closing-Brackets-and-Quotes
https://developer.roblox.com/en-us/api-reference/property/Studio/String-Color
https://developer.roblox.com/en-us/api-reference/property/Studio/Whitespace-Color
https://developer.roblox.com/en-us/api-reference/property/Studio/Active-Color
https://developer.roblox.com/en-us/api-reference/property/Studio/Active-Hover-Over-Color
https://developer.roblox.com/en-us/api-reference/property/Studio/Auto-Closing-Brackets
https://developer.roblox.com/en-us/api-reference/property/Studio/Auto-Closing-Quotes
https://developer.roblox.com/en-us/api-reference/property/Studio/Auto-Indent-Rule
https://developer.roblox.com/en-us/api-reference/property/Studio/Current-Line-Highlight-Color
https://developer.roblox.com/en-us/api-reference/property/Studio/Disable-Accurate-Play-Solo
https://developer.roblox.com/en-us/api-reference/property/Studio/Enable-CoreScript-Debugger
https://developer.roblox.com/en-us/api-reference/property/Studio/Enable-Internal-Features
https://developer.roblox.com/en-us/api-reference/property/Studio/Format-On-Type
https://developer.roblox.com/en-us/api-reference/property/Studio/Highlight-Current-Line
https://developer.roblox.com/en-us/api-reference/property/Studio/Indent-Using-Spaces
https://developer.roblox.com/en-us/api-reference/property/Studio/Language
https://developer.roblox.com/en-us/api-reference/property/Studio/LocalAssetsFolder
https://developer.roblox.com/en-us/api-reference/property/Studio/LuaDebuggerEnabledAtStartup
https://developer.roblox.com/en-us/api-reference/property/Studio/PluginDebuggingEnabled
https://developer.roblox.com/en-us/api-reference/property/Studio/Rulers