Hello, I am releasing this Free FiveM Vehicle Handling Editor which uses bootstrap as front end. It allows you to copy the whole handling.meta file directly from UI and paste it in your custom handling.meta
Added the config for the command so you can lock it for admins if you’d like. [ I do NOT suggest using this in live server, its a dev tool, to be used only by developers. ]
A lot of data cannot be retrieved by LUA. What you can do is, get the copied handling file and paste it and add the subhandlingdata part from original meta file. You can find the original meta file using OpenIV.
Air, Bikes and Boats does not work as its not possible or at least very hard to get it, so just keep the original data and edit the numbers from the edited file.