This works find on 2.3.5. I have a form with a select list. Selecting
a value (it’s a search type), typing in a text value into a text
field, then submitting the form (which causes a an SQL search and a
redispay of the initial page with the selected records.
2.3.5 preserved the values of the select list across invocations.
3.0.7 resets the selected value of the list to #0.