That version is now dead
http://news.softpedia.com/news/ubuntu-17-04-zesty-zapus-has-reached-end-of-life-upgrade-to-ubuntu-17-10-now-519360.shtml
** Changed in: firefox (Ubuntu)
Status: New => Invalid
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Packages, which is subscribed to firefox in Ubuntu.
https://bugs.launchpad.net/bugs/1687359
Title:
maximising or minimising an HTML5 video sporadically wedges Firefox
Status in firefox package in Ubuntu:
Invalid
Bug description:
When Firefox has been running for a few days, with tens of tabs loaded
and has started to run slowly, maximising or minimising a YouTube
video can wedge it.
The audio keeps playing until the buffer is exhausted, but everything
else is hung: no repainting of the window, no response to keyboard
input. CPU usage does not fall to zero, but to around the steady state
level it was at before the YouTube page was opened.
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: firefox 53.0+build6-0ubuntu0.17.04.1
ProcVersionSignature: Ubuntu 4.10.0-19.21-generic 4.10.8
Uname: Linux 4.10.0-19-generic x86_64
ApportVersion: 2.20.4-0ubuntu4
Architecture: amd64
BuildID: 20170418122848
CurrentDesktop: GNOME
Date: Mon May 1 13:54:57 2017
ExecutablePath: /usr/lib/firefox/firefox
InstallationDate: Installed on 2016-12-02 (149 days ago)
InstallationMedia: Ubuntu-GNOME 16.10 "Yakkety Yak" - Release amd64
(20161012.1)
ProcEnviron:
LANGUAGE=en_AU:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_AU.UTF-8
SHELL=/bin/bash
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)
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