Make sure you don't have both Lua by sumneko and Roblox LSP enabled.
https://marketplace.visualstudio.com/items?itemName=Nightrains.robloxlsp
https://devforum.roblox.com/t/roblox-lsp-full-intellisense-for-roblox-and-luau/717745
Roblox OS Community Discord Server: https://discord.gg/c4nPcZHwFU
- Full Roblox Environment
- Support for Luau static typing
- Full support for Rojo
- Support for Third-Party libraries like Roact, Rodux, Promise, TestEz, etc.
- Auto-completion for instances in Roblox Studio
- Auto-updatable API
- Inlay Hints
- Color3 Preview and Picker
- Goto Definition
- Find All References
- Hover
- Diagnostics
- Rename
- Auto Completion
- IntelliSense
- Signature Help
- Document Symbols
- Workspace Symbols
- Syntax Check
- Highlight
- Code Action
- Multi Workspace
- Semantic Tokens
You can download the extension with precompiled binaries here: https://github.com/NightrainsRbx/RobloxLsp/releases
If you need to build your own binaries, follow the instructions at https://github.com/sumneko/lua-language-server
