On 08.04.2016 [00:04:29 -0000], Chris wrote:
> Nish,
> 
> The php-apcu package is in a weird place because when Ubuntu 14.04
> shipped it was simultaneously a very new package and a very old
> dependency. php-apc (without the u) has been around for a long time and
> is a key dependency of many PHP applications. PHP 5.5 broke
> compatibility with php-apc (due to adopting its main functionality) and
> php-apcu was created as a drop-in replacement for applications that
> depended on the rest of php-apc's functionality.
> 
> php-apcu provides a very old, simple, and well-established API with
> complex memory and performance roles under the hood. The version of php-
> apcu that got locked in when Ubuntu 14.04 shipped was very new and
> unstable, and every release since then is a patch release that improves
> stability.  If you backported all the needed patches correctly to 4.0.2
> you would have the current release.

Ok, we might be able to argue/discuss that 4.0.7 is really a sequence of
bugfixes relative to 4.0.2 (and 4.0.7 is what Debian ships currently).
My concern is any new feature introductions, etc, which need careful
examination (meaning time) to avoid regressions.

> In short: shipping the newest available version of this package is
> necessary BECAUSE Ubuntu 14.04 is an LTS. It wouldn't make sense to ship
> anything but the current (most stable) release, but that's not to say it
> will be necessary to keep shipping updates to this package, the last
> several releases have all been orders of magnitude more stable than
> 4.0.2

Thank you very much for your clear explanation and background on the
issue, I really appreciate it!

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https://bugs.launchpad.net/bugs/1374892

Title:
  Please backport php5-apcu version 4.0.6 to Ubuntu 14.04 LTS

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