User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:49.0) Gecko/20100101 Firefox/49.0 Build Identifier: Version 5.1.3 In the mail listing panel, after right click-on on the headers, Contextual menu "Adjust Column Sizes" as no effect. Reproducible: Always Steps to Reproduce: 1.Go in mailing list 2.Right click on a list header 3.Select "Adjust Column Sizes" Actual Results: Nothing happens Some columns remains at 0 size, and have to be adjusted manually Expected Results: Column widths should be adjusted.
please verify in new version 5.1.3 is very old.