Please do report bugs to https://github.com/bitcoin/bitcoin . If you never report them of course they won't get fixed. I'm not aware of test suite failures and know a bunch of folks who use CentOS, though not sure how many develop on it.

On December 18, 2016 12:07:36 PM PST, Alice Wonder via bitcoin-dev <bitcoin-dev@lists.linuxfoundation.org> wrote:
>On 12/14/2016 07:38 PM, Juan Garavaglia via bitcoin-dev wrote:
>
>>
>> For reasons I am unable to determine a significant number of node
>> operators do not upgrade their clients.
>
>I almost did not update to 0.13.0 because the test suite was failing
>due
>to python errors. How to fix them was posted on bitcointalk.
>
>0.13.1 came with new python errors in the test suite. So I just said
>fuck it.
>
>When the test suite actually works in my fairly standard environment
>(CentOS) in the distributed release, I will upgrade.
>
>Until then, I'm not jumping through hoops to make the test suite work
>and I'm not running clients that haven't passed the test suite so
>that's
>why I almost didn't update to 0.13.0 and haven't updated since.
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