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When I upgrade my version from 12.04 to 20.4: Can I use the applications like Evolution and Libre Office Base, flashplayer, kaffein and other in the modern version. I have seen, that this applications are not provided in the software center.

Thanks for answers.

Kay

Kay Müller
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    Ubuntu 12.04 used a very different software stack to the versions used in later releases. I'm still using evolution (the mail MUA or mail user agent) program with the same mail data-base I used in versions before 12.04; but it's been progressively updated via various upgrades; not a huge jump of 8 years like you're talking about. Libreoffice likewise reads my files, but I can't speak to your actual databases. Some programs have changed, eg. Qt4 is now EOL being replaced by Qt5 so programs that used it may have changed (eg. https://packages.ubuntu.com/focal/kaffeine) – guiverc Sep 29 '20 at 07:20
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    Some older applications are available via snap or like containerized environments (flatpak etc), however you'd have to look yourself (that allows the libraries used by older software, eg. 12.04 may have some GTK2, Qt4 which is now EOL, but can be snapped or placed into containized packages allowing hem to be used in later releases) – guiverc Sep 29 '20 at 07:22
  • Exactly what leads to to believe that these applications are not available in Ubuntu 20.04? I'm using two of them right now. Perhaps there is an underlying problem with the method of searching that we can help correct. – user535733 Sep 29 '20 at 13:14

1 Answers1

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The Software Center may show only Snaps.

The most authoritative information resource about deb-package is https://packages.ubuntu.com .

Applications from your list exist in the Ubuntu 20.04 LTS with versions:

N0rbert
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