v5.48.4 Gift Gems via Username

API

• Chore: Locale files updated (@weblate contributors)

Client

• Feature: Can now access Gem gifting via lookup of a username (@Hafizzle)
• Fix: Overhaul of HTML strings across site to avoid hardcoding URLs in translated text, preferring variable interpolation, for security and futureproofing (@SabreCat)
• Fix: Don't trip "leaving Habitica" external site warning for mailto links (@SabreCat)