1.17.22

Note: this is a maintenance release of the 1.x branch, which should only be used in legacy applications.

Bug fixes

[a81b537] Fixed search action for simple_array type (@Dev-SL)
[0590145] Updated Bulgarian translation (@bozhidargyurov)
[e82141e] Fixed the translation domain of the form help messages (@fancyweb)
[396432d] Fixed the preview of SVG images (@fancyweb)
[804b41f] Updated Turkish translation (@hks)
[c7b579a] Updated Russian translation (Alexander Grachev)
[bbac92a] Updated German translation (@Nepoh)