Posted by ravas on May 14, 2016; 5:50am
URL: https://forum.librecad.org/Mouse-Zoom-And-Scroll-tp5713703p5713704.html

Zoom is supposed to be the default behavior.
This has been fixed.

https://github.com/LibreCAD/LibreCAD/issues/658

2.0.10 is out

2.1.0 will be released before the end of the month.

You could try:
https://launchpad.net/~librecad-dev
https://launchpad.net/~librecad-dev/+archive/ubuntu/librecad-daily