<p>So, the GTK version doesn't seem to make a difference.<br>
I have no idea what could cause the different behavior, I just guess it's unlikely that it is Geany itself.<br>
I agree with <a class="user-mention" data-hovercard-type="user" data-hovercard-url="/users/codebrainz/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/codebrainz">@codebrainz</a> that it's probably more related to the GTK backend of Scintilla on Windows.</p>
<p><a class="user-mention" data-hovercard-type="user" data-hovercard-url="/users/elextr/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/elextr">@elextr</a> regarding GTK3 Windows builds: I remember some time ago (maybe about 2years or so) we tried with GTK3 on Windows and had some issues and so we kept the GTK2 builds.<br>
I didn't try it again since then. After the next release, we need a new Windows builds maintainer anyway as Windows 7 is EOL and I personally definitely will never use Windows 10 or newer.<br>
So, creating new builds based on GTK3 could be a good start task for the new maintainer.</p>

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