It seems like you using Cloudflare cache system, the reason why it conflict with latest version of Easyblog is because now the Easyblog composer was loaded single script instead of compression script, I believe there conflict with Cloudflare load the single script on the composer page.

Perhaps you can try read this following how to exclude specific URL from Cloudflare caching and see how it goes.
https://support.cloudflare.com/hc/en-us/articles/200172316-How-do-I-exclude-a-specific-URL-from-CloudFlare-s-caching-
https://support.cloudflare.com/hc/en-us/articles/200168306-Is-there-a-tutorial-for-PageRules-

Exclude these following script folder.
http://yourdomain.com/media/foundry/5.0/scripts
http://yourdomain.com/media/com_easyblog/scripts