id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
20078	PySide bloat compared to PyQt	Tom Goddard	Zach Pearson	"If we distribute ChimeraX 1.12 with PySide we should look into removing unneeded Qt modules to speed up downloads.

From: Eric Pettersen 
Subject: Re: app sizes
Date: March 26, 2026 at 3:30:09 PM PDT
To: Tom Goddard 

Your observation about PySide bloat seems correct.  ChimeraX 1.11 is 2.1GB whereas the daily build is 2.5GB.

—Eric
"	enhancement	assigned	moderate		Window Toolkit				chimerax-programmers				all	ChimeraX