Docs: update changelog
Release: version bump to 1.14.67
Chore(L10n): update Japanese translation
Refine(premium): disable swipe dismiss on price picker
Refine(premium): make Price Plan Picker larger on iPad
Fix(files): switch back to UIDocument instead of FileCoordinator
Refine(fp): add human-friendly messages about missing file provider
Docs: update readme
Fix(credits): add missing links to Yubico Mobile SDK
Fix(credits): add credits for TPInAppReceipt library
Fix: limit the number of concurrent file access operations (fixes #114)