Sabuwar sabunta ta Ubuntu 20.04.3 LTS an riga an sake shi yi kwanaki da yawa kuma a ciki canje -canje masu alaƙa da ingantattun tallafin kayan aiki sun haɗa, Linux kernel da graphics stack updates, mai sakawa da gyaran kurakurai bootloader.
Har ila yau ya haɗa da sabbin abubuwan sabuntawa don fakiti ɗari da yawa don magance rauni da lamuran kwanciyar hankali, gami da sabbin abubuwan sabuntawa don Ubuntu Budgie 20.04.3 LTS, Kubuntu 20.04.3 LTS, Ubuntu MATE 20.04.3 LTS, Ubuntu Studio 20.04.3 LTS, Lubuntu 20.04.3 LTS, Ubuntu Kylin 20.04.3. 20.04.3 LTS da Xubuntu XNUMX LTS.
Wannan sigar ma'ana ta uku tana tattaro duk sabuntawar software da aka saki har zuwa yau, gami da faci daban -daban na tsaro da manyan gyare -gyare.
Babban sabbin fasali na Ubuntu 20.04.3 LTS
Ubuntu 20.04.3 LTS ya haɗa da wasu ingantattun sigar Ubuntu 21.04 wanda zamu iya gano cewa an yi sabuntawa don fakitoci tare da nau'in kernel 5.11, tunda Ubuntu 20.04 da 20.04.1 sunyi amfani da kernel 5.4 da 20.04.2 sunyi amfani da kernel 5.8.
Kamar yadda ya saba An sabunta HWE (Stack Enablement Stack) tare da isowar Linux kernel 5.11 Wannan sigar ta haɗa da haɓakawa da yawa ga Btrfs, yana nuna zaɓuɓɓukan dutsen don amfani yayin dawo da bayanai daga tsarin fayil ɗin da suka lalace, gami da cire tallafi don zaɓin dutsen da aka riga aka lalace "inode_cache". shafi (PAGE_SIZE), gami da tallafi don sararin karkara.
Bayan haka an ƙara sabon salo don katse kiran tsarin, dangane da prctl () kuma hakan yana ba da damar jefa abubuwan banbanci daga sararin mai amfani lokacin samun dama ga kiran tsarin musamman da kwaikwayon aiwatarwa. Wannan aikin shine da aka nema a cikin Wine da Proton don yin kwaikwayon kiran tsarin Windows, wanda ya zama dole don tabbatar da dacewa da wasanni da shirye -shiryen da ke aiwatar da kiran tsarin kai tsaye ba tare da shiga cikin Windows API ba.
Don gine-gine RISC-V, an ƙara tallafi don tsarin rarraba ƙwaƙwalwar ajiya mai ƙwaƙwalwar ajiya (CMA), wanda aka inganta don keɓance manyan wuraren ƙwaƙwalwar ƙwaƙwalwa ta amfani da dabarun motsi shafi. Don RISC-V, akwai kuma kayan aikin da aka aiwatar don iyakance damar shiga / dev / mem da yin lissafi don katse lokacin sarrafawa.
A bangaren masu sarrafawa za mu iya samun Table 21.0, banda wannan ma An sabunta yanayin tebur tare da GNOME Shell 3.36.9, LibreOffice 6.4.7, Mozilla Firefox 91, GCC 10.3.0, Python 3.8.10, containerd 1.5.2, ceph 15.2.13, snapd 2.49, cloud-init 20.4, da sauran aikace-aikacen tsarin.
A ɓangaren abubuwan da aka tsara na kayan tarihin da aka sabunta, sun haɗa da X.Org Server 1.20.11 da Mesa 21.0, waɗanda aka gwada su da sigar Ubuntu 21.04. An ƙara sabbin sigar direbobin bidiyo don kwakwalwan Intel, AMD da NVIDIA.
Don tsarin uwar garke, an ƙara sabon kwaya azaman zaɓi a cikin mai sakawa, ƙari sabbin majalisun yanzu za a yi amfani da su don sabbin shigarwa kawai: tsarin da aka riga aka shigar na iya karɓar duk canje -canjen da ke cikin Ubuntu 20.04.3 ta hanyar daidaitaccen tsarin shigarwa.
Dole ne mu tuna cewa ana amfani da tsarin tallafin sabuntawa na ci gaba don isar da sabbin nau'ikan kernel da kuma tarin zane -zane, inda za a tallafa da kernels da direbobi kawai har sai an fitar da sabunta facin reshe na Ubuntu LTS. Misali, kernel Linux 5.11 da aka gabatar a cikin sakin na yanzu za a tallafa masa har zuwa Ubuntu 20.04.4, wanda zai ba da kernel Ubuntu 21.10. Da farko an yi jigilar kaya, za a tallafawa kernel na 5.4 don cikakken tsarin kulawa na shekaru biyar.
Ba kamar sigogin LTS na baya ba, sabbin nau'ikan kernel da tari mai hoto za su shiga cikin abubuwan da ake da su na Ubuntu Desktop 20.04 ta tsohuwa, kuma ba a ba da su ta hanyar zaɓuɓɓuka. Don mirgine baya zuwa kernel 5.4, gudanar da umarnin:
Yadda ake sabuntawa zuwa sabon sabuntawar Ubuntu 20.04.3 LTS?
Ga waɗanda suke da sha'awa kuma suna kan Ubuntu 20.04 LTS, za su iya sabunta tsarin su zuwa sabon sabuntawar da aka fitar ta bin waɗannan umarnin.
Idan sune masu amfani da Desktop na Ubuntu, kawai buɗe tashar akan tsarin (zasu iya yin hakan ta hanyar gajeren hanyar Ctrl + Alt + T) kuma a ciki zasu rubuta wannan umarnin.
sudo apt install --install-recomienda linux-generic
A ƙarshen saukarwa da shigarwa na duk fakitin, kodayake ba lallai ba ne, muna ba da shawarar aiwatar da sake kunna kwamfutar.
Yanzu ga waɗanda suke masu amfani da sabar Ubuntu, umarnin da zasu rubuta shine mai zuwa:
sudo apt install --install-recommends linux-generic-hwe-20.04
A ƙarshe, idan kuna da sha'awar sanin ƙarin abubuwa game da shi, kuna iya tuntuɓar cikakkun bayanai A cikin mahaɗin mai zuwa.