- Default values are properly displayed on dataset form
[745](https://github.com/opendatateam/udata/issues/745)
- Prevent a redirect on discussion fetch
[795](https://github.com/opendatateam/udata/issues/795)
- API exposes both original and biggest thumbnail for organization logo, reuse image and user avatar
[824](https://github.com/opendatateam/udata/issues/824)
- Restore the broken URL check feature
[840](https://github.com/opendatateam/udata/issues/840)
- Temporarily ignore INSPIRE in ODS harvester
[837](https://github.com/opendatateam/udata/pull/837)
- Allow `X-API-KEY` and `X-Fields` in cors preflight headers
[841](https://github.com/opendatateam/udata/pull/841)