COLUMN MODE (TAB AND DEL)

I feel "column mode" is not fully working the way it should.
At least, the TAB key and deleting backwards do not work
A sample:
https://www.screencast.com/t/KRSBkmYj
Hi Pau,
Thank you for the bug report. We have reproduced Backspace not working for null-width vertical block after and will fix it in the coming update.
regards,
Andrew