Build 3088 doesn't retain explorer panel settings on exit

[pjknife]

I have my two explorer panels set up as I like them with column widths set, folder trees enabled and current folder selected in each. Up to build 3084 (Portable) these settings were retained on exit and restored on startup. In build 3088 (Portable) however the explorer panels come up with default settings. The configuration save on exit options are the same on both versions. Is this an inadvertent bug or am I doing something wrong?

[pjknife]

My apologies, it seems that Erni reported a similar problem yesterday. Quite likely will be the same resolution.