Fixed:Attachment filenames with non-ASCII characters were incorrectly decoded and saved (#11508)Contributors:Thanks to: @aindriu80, @AvikMakwana, @chrisdebian, @Coding-Young, @coreycb, @dani-zilla, @danielcoderman, @Fjoerfoks, @Friese2001, @harshasiddartha, @helakostain, @ibrahim-iqbal, @itsSiide, @joshua-grimmett, @khaledhaltam, @Klofutar, @kryoseu, @Logeshsharma, @Matthaiks, @mohitsatr, @mvanhorn, @oersen, @rafaeltonholo, @ramses-70, @rprys, @schorschii, @shamim-emon, @Shaurya2k06, @snowykte0426, @solokot, @taljeon, @wmontweNew Contributors:@mvanhorn made their first contribution in #11248@AvikMakwana made their first contribution in #11301@ibrahim-iqbal made their first contribution in #11309@ramses-70 made their first contribution in #11389@harshasiddartha made their first contribution in #11371@chrisdebian made their first contribution in #11406@danielcoderman made their first contribution in #11432@Logeshsharma made their first contribution in #11460@taljeon made their first contribution in #11571Full Changelog: THUNDERBIRD_23_0...THUNDERBIRD_23_1