Take advantage of some newer GLib/GObject features, with a corresponding dependency bump, to simplify some code. Thanks to Maximiliano we now store the size of the last window, and use it for future windows rather than unconditionally using 80×24. A bug in 43.beta where ‘Show in Files’ was mistakenly unavailable has been fixed, as well as a longstanding edge case when a background tab closes. Updated Translations: * Catalan (Jordi Mas) * Chinese (China) (Luming Zh) * Croatian (Goran Vidović) * Danish (Ask Hjorth Larsen) * Dutch (Nathan Follens) * French (Irénée THIRION) * Galician (Fran Dieguez) * Hebrew (Yosef Or Boczko) * Hungarian (Balázs Úr) * Indonesian (Kukuh Syafaat) * Occitan (Quentin PAGÈS) * Polish (Piotr Drąg) * Spanish (Daniel Mustieles) * Turkish (Emin Tufan Çetin)