For running J!5.1 you must https://fabrikar.com/forums/index.php?wiki/update-from-github/ or include the new file manually https://fabrikar.com/forums/index.php?threads/joomla-5-1-and-fabrik-cannot-find-files-error.54473/post-285151 See also Announcements
Please see our announcement here.
"I'm using the ranger filter"Depends on your filter settings
e.g. range filter -> two comma separated values etc.
https://fabrikar.com/forums/index.php?wiki/pdf-output/#filter-valuesVar_dump is always a way to see what you get.
Filter values are in
$this->filters['table___element']->displayValue
e.g. for a date range filter
Code (Text):
echo $this->filters['test___date_time']->displayValue;
will give something like
2020-07-15 16:30:36, 2021-07-22 16:30:36
Why not print the select pages to pdf within your pdf viewing software? Why does anyone need a web browser for a simple task like this?