luau/rfcs/STATUS.md

This document tracks unimplemented RFCs.

## Deprecate getfenv/setfenv

[RFC: Deprecate getfenv/setfenv](https://github.com/Roblox/luau/blob/master/rfcs/deprecate-getfenv-setfenv.md)

**Status**: Needs implementation.

**Notes**: Implementing this RFC triggers warnings across the board in the apps ecosystem, in particular in testing libraries. Pending code changes / decisions.

## Read-only and write-only properties

[RFC: Read-only properties](https://github.com/Roblox/luau/blob/master/rfcs/property-readonly.md) |
[RFC: Write-only properties](https://github.com/Roblox/luau/blob/master/rfcs/property-writeonly.md)

**Status**: Needs implementation

## String interpolation

[RFC: String interpolation](https://github.com/Roblox/luau/blob/master/rfcs/syntax-string-interpolation.md)

**Status**: Needs implementation

## Lower Bounds Calculation

[RFC: Lower bounds calculation](https://github.com/Roblox/luau/blob/master/rfcs/lower-bounds-calculation.md)

**Status**: Implemented but not fully rolled out yet.

## never and unknown types

[RFC: never and unknown types](https://github.com/Roblox/luau/blob/master/rfcs/never-and-unknown-types.md)

**Status**: Needs implementation

## __len metamethod for tables and rawlen function

[RFC: Support __len metamethod for tables and rawlen function](https://github.com/Roblox/luau/blob/master/rfcs/len-metamethod-rawlen.md)

**Status**: Needs implementation