When trying to open a folder from some apps (which have file system integration) the following errors occur on my iPhone and iPad (iOS 12.1.3):
OneDrive: Textastic tries to open folders as files (and does not display anything in this file then)
Nextcloud: Textastic takes no action (not even a warning message) when trying to open a folder
Opening just files from those file providers works perfectly fine.
It would be really nice if this bug was fixed.
Customer support service by UserEcho