Preserve user custom fields (defined using Select Fields) from browser cache cleanup
Implement a mechanism to avoid that users loose their local settings (e.g. Select Fields column layout, etc.) after clearing the web browser cache.
Basically, when a user customize a grid panel's columns layout, perhaps hiding or showing more columns, those settings are stored locally on the user's browser temporary files. As soon as the user cleans the browser cache such settings are gone and he/she has to start over every time for all the views.

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Stephen commented
This is an issue we face daily with our user base. The changes in screens such as the Building Ops console layout and recent filters is lost and the have to be done each time the cache is cleared. especially when a default browser clear is forced by the system admin. these configurations should be stored against the user in the DB as a table of bespoke user config.