I created a beamer presentation using aspectratio = 169 because 16:9 is the aspect ratio of the projector and my laptop's screen. I added notes to the presentation and the aspect ratio of the notes slides is also 16:9 (as expected and desired here).

However, the notes don't use all the available space on the notes slide. They only use an area corresponding to an aspect ratio of 4:3.

How can I make the notes use the whole 16:9 notes slide?

Minimal working example

\documentclass[aspectratio = 169]{beamer}
\setbeameroption{show notes}



Regular slide

Regular slide

Notes slide

Notes slide


The problem is that the note page uses a hard coded text width of 10.8 cm.

This can be changed with the following redefinition:

    aspectratio = 169
\setbeameroption{show notes}

      \setbeamertemplate{itemize item}{\textbullet}
      \setbeamertemplate{itemize subitem}{--}
      \setbeamertemplate{enumerate item}{\insertenumlabel.}
      \setbeamertemplate{enumerate subitem}{\insertenumlabel.\insertsubenumlabel}
      \hbox{\hskip-\Gm@lmargin\hskip1cm\vbox to\textheight{%
                                  %pretend to have ``standard'' margins
%          \textwidth=10.8cm%
          \usebeamertemplate*{note page}%
          \vskip-4pt% foot separator
        \advance\c@page by-1\relax%


enter image description here


This problem was fixed in the beamer development version with the commit e2ffe17 - it will probably be included in beamer version >=3.51

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