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
- Exact Luau Environment
- Full Luau Typechecking and Intellisense
- Support for Rojo
- Support for Third-Party libraries like Roact, Rodux, Promise, TestEz, etc.
- Color3 Preview and Picker
- Auto-completion of game descendants
- Auto-updatable API
- Inlay Hints
- Goto Definition
- Find All References
- Hover
- Diagnostics
- Rename
- Auto Completion
- IntelliSense
- Signature Help
- Document Symbols
- Workspace Symbols
- Syntax Check
- Highlight
- Code Action
- EmmyLua Annotation
- Multi Workspace
- Semantic Tokens
