https://protonmail.com/blog/protonmail-mobile-v1-5-0-release-notes/
New Features
Create Account Plans
Ability to upgrade plan and donate from
app
Embedded Images
Permission for “Device and App History”
removed
Attach multiple files at once (supported
mix of Video and Image also)
Bug Fixed
Sometimes recipients in To not shown
while To is collapsed (shown only when expanded)
Sometimes double Sent message is
shown
Fix missing Attachment icon after Search
and Mark Unread
Search improved