Unusable viewport in tables

[tferr]

On the display of tables: The current viewport of the scrollpane is extremely awkward. The horizontal scrollbar never appears, and thus a table with many (> ~20 columns on my screen) becomes unreadable. Here is an example:

Those dots actually contain numeric values. AFAICT there is no way to make the data visible, rather than exporting the table to a third party application (or resizing each column one by one).