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Undo stack broken / bugged

Posted: Tue May 07, 2019 6:05 am
by svenneve

Fusion version:
Fu16 b1 + b2

OS and version:
Windows 10 1809 (17763.437)

Additional relevant system info:

Description of the bug:
Changing values in inspector on say a Merge tool and then undo-ing, often results in undo skipping changes on certain values (Angle for example)

Severity (Trivial, Minor, Major, Critical)
Major

Steps to reproduce:
Create a Merge, change Center / Size / Angle values in Inspector (mix dragging slider, sliding numbers, typing values) try to undo to creation of tool, 9/10 times the Angle value does not reset to it's initial value of 0.

Please, if possible, provide a Fusion setup to help demonstrate the behaviour, either as an attachment or between [code] tags:
Create a Merge, use the tool.


Re: Undo stack broken / bugged

Posted: Thu May 09, 2019 12:42 am
by JPDoc

Very nice to see BMD picking up on this so quickly, as it seems like such a major bug - see
http://forum.blackmagicdesign.com/viewt ... 22&t=90842


Re: Undo stack broken / bugged

Posted: Thu May 09, 2019 2:33 pm
by SecondMan
Good find! It gets quirky. It seems that the way you're changing the controls matters...

When you change the values using the usual controls, undo seems to work, but when you use the weird click-drag value boxes more than once, the undo stack doesn't build. Or something. In the below video, watch me change a parameter and using CTRL-Z once after every step to try to undo what I've done:

Image