# Release notes for cobrapy 0.22.1

## Fixes

- Fix an old bug with double gene deletion that was not knocking-out combinations (#1103).
- Lots of syntax, annotation, and docstring fixes (#1081, #1083, #1084, #1085, #1086, #1088,
  #1090, #1091, #1092, #1093, #1094, #1095, #1096).

## Deprecated features

- `find_gene_knockout_reactions` is deprecated.
