# v1.1 - XXXX-XX-XX


## Changes affecting backwards compatibility


### Breaking changes in the standard library


### Breaking changes in the compiler


## Library additions


## Library changes

- Added `os.delEnv` and `nimscript.delEnv`. (#11466)

- Enable Oid usage in hashtables. (#11472)


## Language additions


## Language changes


### Tool changes


### Compiler changes

- VM can now cast integer type arbitrarily. (#11459)


## Bugfixes