What's Changed
* Adding [ZROT] Rotation in Z custom axis by vv-monsalve in https://github.com/googlefonts/axisregistry/pull/137
* Update z_rotation.textproto with fallback_only field by chrissimpkins in https://github.com/googlefonts/axisregistry/pull/140
* Add test for proto wellformedness (no missing required fields) by simoncozens in https://github.com/googlefonts/axisregistry/pull/143
* Update requirements.txt by felipesanches in https://github.com/googlefonts/axisregistry/pull/146
* Adding [ARRR] AR Retinal Resolution custom Axis by vv-monsalve in https://github.com/googlefonts/axisregistry/pull/141
* If we delete a name STAT was using, put it back by simoncozens in https://github.com/googlefonts/axisregistry/pull/154
**Full Changelog**: https://github.com/googlefonts/axisregistry/compare/v0.4.3...v0.4.4