Merge branch '1024-optimize-request-fetcher' into 'development'

Resolve "Optimize Request fetcher"

Closes #1024 (closed)

See merge request !1706 (merged)

(cherry picked from commit 40a4c53a)

1a48e785 Added missing Cache import 44e48c90 fixed invalid UTF-8 characters in json response

mentioned in commit 37ed55b7

merged