Dates disappeared for some posts after upgrading to 4.4

[P1P2C]

Hello,

On 25th of february we've upgraded to v4.4, at first everything looked good, but I've noted recently that some of the posts don't show the date of their creation, nor of their edition. When I lookup in forums_posts I see fields that seem correctly filled (in columns post_date or edit_time). In fact it seems that only posts dated from the same day as the migration are concerned, more recent ones are OK, as well as older ones.

What could cause such a strange behavior, and how could we fix it ?

[Yamamura]

 

[P1P2C]

Thanks, didn't thought about the translation part, I've fixed _date_this_week and _date_this_week_c  keys, that did the trick.

[bfarber]

The language strings outlined (_date_this_week and _date_this_week_c) were changed in 4.4 and will need to be updated in custom translations, yes.