Iqela lophuhliso lweMisila lisebenza kupapasho olukhulu olulandelayo lweli nikezelo uninzi lwabiza ngokuba yi-OS engaziwayo.
Imisila 4.0 ingene kwi-beta kutsha nje kwaye kukukhutshwa kokuqala phantsi kwenkqubo ye-Debian 10 Buster., Oko kuthetha ukuba zonke okanye uninzi lweephakeji esele zifakiwe zihlaziyiwe kwiinguqulelo zamva nje ukuxhasa izixhobo zekhompyuter ezintsha, ngakumbi amakhadi emizobo avela kwi-AMD neNvidia, kunye neekhompyuter zeMac.
Imisila 4.0 ikwanayo I-Thunderbolt 3 inkxaso yenkxaso, ngoku edityaniswe nohlobo lwamva nje lweGNOME 3, imeko yemizobo eza kuza ngokwendalo kwiiMisila. Kuyacetyiswa ukuba abasebenzisi ngesixhobo seThunderbolt bavavanye ukumiliselwa ngokuzulazula kwiiDivayisi> ngeThunderbolt ngaphakathi kuseto lwe-GNOME.
Ngakolunye uhlangothi, abasebenzisi be-Tails 4.0 baya kuba nakho ukuvula imiqulu engapheliyo evela kwenye i-USB kunye neMisila, yongeza isicelo esilawula iifayile kwiintandokazi, bonisa i-applet ye-OpenPGP kwicala lasekhohlo le-TOR, utshintshe iphepha lodonga isikrini, kwaye usebenzise iibhukumaki ezingagqibekanga zesikhangeli seTor.
Uninzi lwezicelo ezize ngokungagqibekanga kwiiMisila ziya kususwa kuMsila we-4.0. Oku kubandakanya ukupapashwa kwesicelo seScribus kunye necandelo leMathematics yeLibreOffice suite, enokufakwa kwicandelo elongezelelweyo leSoftware. Ukongeza, isixhobo sokulawula iphasiwedi seKeePassX siya kutshintshwa yiKeePassXC.
Ikwasuswe kwiiMisila 4.0 isiqalisi seKhaya esivela kwidesktop kunye neeakhawunti ezingapheliyo zePidgin. Unga khuphela iiMisila 4.0 ukusuka kwiphepha elisemthethweni, kodwa ayikhuthazwa ukusetyenziswa kweshishini. Ukukhutshwa kokugqibela kufika ngo-Okthobha 22, 2019.