2022-02-16 02:37:02 +00:00
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
## Safe navigation operator
[RFC: Safe navigation postfix operator (?) ](https://github.com/Roblox/luau/blob/master/rfcs/syntax-safe-navigation-operator.md )
**Status**: Needs implementation.
**Notes**: We have unresolved issues with interaction between this feature and Roblox instance hierarchy. This may affect the viability of this proposal.
## String interpolation
[RFC: String interpolation ](https://github.com/Roblox/luau/blob/master/rfcs/syntax-string-interpolation.md )
**Status**: Needs implementation
## Generalized iteration
[RFC: Generalized iteration ](https://github.com/Roblox/luau/blob/master/rfcs/generalized-iteration.md )
2022-05-11 23:14:51 +01:00
**Status**: Implemented but not fully rolled out yet.
2022-03-30 00:58:59 +01:00
## Lower Bounds Calculation
[RFC: Lower bounds calculation ](https://github.com/Roblox/luau/blob/master/rfcs/lower-bounds-calculation.md )
2022-05-11 23:14:51 +01:00
**Status**: Implemented but not fully rolled out yet.