Fonts 50.0 comes with the following improvements:
 * Redesigned font preview grid that has a consistent preview size (Khaid Abu Shawarib)
 * Search entry moved to the headerbar to be always visible, and with automatic key stroke
   forwarding to the entry and Esc for clearing search. (Automeris naranja,
   Khaid Abu Shawarib)
 * Reorganized font information page (Automeris naranja)
 * Enhance application metadata (Maximiliano, Daniel Rusek)
 * Plug multiple memory leaks (Maximiliano)
 * Correctly claim to open font collection files (Gregor)

This version brings translation updates for the following locales:
 * Arabic (Khaid Abu Shawarib)
 * Chinese (Taiwan) (Chao-Hsiung Liao)
 * Cornish (Flynn)
 * Norwegian Bokmål (Kjartan Maraas)
 * Santali (Prasanta Hembram)
 * Serbian (Latin) (Miloš Popović)
 * Thai (Aefgh Threenine)
 * Uighur (Abduqadir Abliz)