Right now there is a beta preview. New features are added all the time. You can join easily! Just open this link on your iPhone or iPad: https://testflight.apple.com/join/Oktj0iKv
Account migration to new version not reliable yet - still too many moving parts. Better remove and re-create the account if you experience strange behaviour.
Troubleshooting:
Added with Build 103
Multi-select files/folders for move and delete (#234)
Copy file/folder to another location (#207)
Accessibility improvements (#239)
More fixes in Files app thanks to user feedback <3
Multi Language: cs_CZ, de, de_DE, en_GB, ko, mk, nb_NO, nn_NO, pt_BR, pt_PT, ru, sq, th_TH, zh_CN (#231)
Added with Build 99
Many fixes in Files app thanks to user feedback <3
Fix for glitches in deleting file by swiping (#197)
Fix for file/folder info and action menu (#183)
Fixing thumbnail glitches
Memory optimisations
Improved logging
Added with Build 85
Upload (single) images and (multiple) files in the app (#146)
Open in another app (#132)
Added with Build 83
PDF viewer with search and TOC (#138)
Various fixes in Files app thanks to user feedback <3
Fixed login redirect thanks to user feedback <3
Fixed crashes on iPad (password manager and sharing logs)
Added with Build 79
Finally: iOS Files app integration !! (#67)
Upload to Files app
Download in Files app
Edit and save files via Files app
Move, rename, delete in Files app
Also:
File size and dates in file list (#117)
Refined file preview (#131)
Settings > Logging
Added with Build 73
Menu for file/folder info and actions (#106)
Move of individual files/folders from menu (#110)
Move multiple files/folders with drag and drop (#110)
Better basic file preview (#114)
Added with Build 54
Touch ID and Face ID (#54)
File/folder deletion (#91)
File/folder rename (#102)
Filtering/search the current folder (#64)
Also: very basic file preview
Added in Build 34
Sort options for files and folders (#55)
Passcode lock with delay option and brute force (activate in “Settings”, no Touch ID and Face ID yet) (#34)
Added in Build 31
Account creation with OAuth 2.0 and basic auth
Edit, re-order and delete accounts (#38)
Inspect SSL-certificates
Folder navigation (online and offline)
Thumbnails in file view (#32)
Different themes (click “Help” on bottom left)