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At Okular's webpage I see that its latest version is 1.2, released in August 2017. In my Ubuntu 16.04 I have Okluar, which says in its About section that it is version 0.25.0. If I try to update Okular in command line, it says okular is already the newest version (4:16.04.3-0ubuntu1~ubuntu16.04~ppa62). At Okular's webiste they just say "For GNU/Linux and the BSDs use the package manager to find the Okular package", which I did. Is this because ubuntu repositories still don't have updated version of Okular?

That Guy
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  • Canonical support the version originally installed with 16.04LTS for five years; which means any security updates are backported to the supported version. If however you need later features not in the installed version (as seen on the website) you can always try installing a 'snap' version which is a recent alternative. I sudo snap install okular & it reportedly installed 16.12.3 (rev 3) from KDE so using the snap if you want later. (note: Okular is a KDE app; uses Qt libs so will use more memory than using evince in standard Ubuntu which uses GTK+) – guiverc Nov 14 '17 at 09:19

1 Answers1

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Canonical support the version originally installed with 16.04 LTS for five years; which means any security updates are backported to the supported version.

If however you need later features not in the installed version (as seen on the website) you can always try installing a 'snap' version which is a recent alternative. I did a

sudo snap install okular

and it reportedly installed version 16.12.3 (revision 3) from KDE, so just install the snap version if you want later.

(note: Okular is a KDE app; uses Qt libs so will use more memory than using evince in standard Ubuntu which uses GTK+. Not a problem is you've got decent memory; but worth considering if you're 2GB or less)

addendum: snap wasn't installed by default in 16.04; so you may need to install it to issue 'snap' commands. please refer How to install snappy packages in Ubuntu 16.04

guiverc
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    Ok, I've installed snap okular, but it also show the version 1.0.3, which is also by far not the latest version. – That Guy Nov 15 '17 at 07:32
  • the version i listed was from a snap list command which reports '16.12.3rev3 from kde'; but if I type (which I didn't before now) okular --version I get 1.0.3 like you did. i tried on a debian machine and got the same. by using sudo snap refresh okular --beta version 17.04.3 (rev 5) from kde was installed, which identified itself as okular version 1.1.3 with the okular --version command. (beta releases may not be 'stable') – guiverc Nov 15 '17 at 10:06
  • fyi: i loaded okular on a ubuntu-mate 17.10 laptop (using apt); it's version 1.1.3 so the it responds the same version number as the beta channel snap. (i didn't get around to trying to load the .deb on a 16.04 system) – guiverc Nov 15 '17 at 22:13