[texworks] slow opening of "large files"

Stefan Löffler st.loeffler at gmail.com
Sat Apr 30 09:45:39 CEST 2022

Dear Claude,

On 29.04.22 19:22, Claude PASCAL wrote:
> under macos Monterey, on macbook M1, some tex files of around 800k take several minutes to open and the editor is not active for a few minutes. Texshop opens these files instantly...
> this problem did not exist on older versions of Texworks

This is a known issue with Qt 5.15 resulting from a bugfix for spurious 
crashes with long documents (see 
The current development build 
comes with two variants - one for macOS 10.12 and up and one for macOS 
10.15 and up. The latter one is compiled with Qt6, where the problem 
should be drastically improved.


More information about the texworks mailing list.