Michał Kulbacki

+1

Try adding: {'Access-Control-Allow-Origin': 'localhost:3000','Access-Control-Allow-Credentials': True} //your react development server to response. I don't know what backend you're using, but in django you also need to add : `CORS_ORIGIN_ALLOW_ALL = True`...

I am using ElasticSearch 7.17.0 and i'ts working fine. You just need to install drf-haystack from source `pip install -e git+https://github.com/rhblind/drf-haystack.git#egg=drf-haystack`. Support for django-haystackk

Sorry, I don't know. It's rather question for the author. I think that you can also omit your policy by publishing your own version of drf-haystack from master brach on...