# RetroForth 2021.11 (In Progress) Release Notes

# Core Language

- new words

  h:fetch h:store w:fetch w:store
  w:fetch-next w:store-next
  h:fetch-next h:store-next
  b:fetch-next b:store-next
  s:fetch s:store

- dictionary

  added d:source field

# VM

## nga-c: retro.c

- added optional support for multiple virtual processor cores
- added optional ffi
- added optional support for unsigned numeric operations
- work on internal cleanups
- better error messages when socket device not present

## nga-rust

- new implementation from bitmapper

# Documentation

- Updated Build instructions for Linux (re: FFI support & libdl)
- Updated the description & example for `a:to-string`
- `d:source` field now populated for all standard words
- fixed stack comment for `a:store`

# Other

- moved deprecated words to `interface/` instead of `package/extensions`
- added a tool to identify words missing `d:source` data
- start work on proper utf8 string support
- nga/unix: catch some signals for debugging purposes