Once Touchscreen Mode is enabled, you can't put items inside a bundle.
Steps to Reproduce
Enable Touchscreen Mode: Options… » Controls… » Mouse Settings… » Touchscreen Mode: ON
Get a bundle and try to add items to it.
Observed Behaviour
Whatever I tried, I was not successful adding any item to the bundle.
Expected Behaviour
There should be an option to add items to a bundle when using Touchscreen Mode.
Thank you for your report!
After consideration, the issue is being closed as Won't Fix.
Please note that this is not the same as Working as Intended, as this bug report correctly describes behavior in the game that might not be the intended or desirable behavior, but it will not be fixed right now. Sometimes, this is because the issue reported is minor and/or impossible to change without large architectural changes to the code base.
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