Glitch with Scene.SlideNumber and Background Images?

Jul 28, 2023

Lee Millard
By Lee Millard

Hey everyone. I could use some help and/or sanity here. Last year we ran into an issue where Scene.SlideNumber would change the slide number before the slide advances (for a split second the number would change). We came up with a band-aid fix for it, but today the same issue came up. After doing a lot of troubleshooting (creating a new file to recreate it, etc.) I found that if I removed some graphics (background and a logo), then the variable doesn't change! This is maddening! Am I the only one? There is no logic to why this would make a difference to the Scene.SlideNumber variable (by the way, the questions are in their own scene).

I'm attaching two files here as examples and hoping someone could say I'm doing something wrong or it is in fact a glitch. In the example there is a quiz bank with 10 questions and I have it selecting 5 at random. On the 5th question when you click "Continue" from the feedback screen, in the "with background" file, it flashes "1" on the 5th question before advancing to the next slide. In the "without background" file, "Question 5" stays as it should and does not flash "1".

I hope I'm making sense here and I appreciate any feedback on this! Thanks!

P.S. The background images are on the master slides. I didn't test out the images right on the slide or not on the master slide.

3 Replies
Eric Santos
9 months ago07/31/23 at 2:53 pm (UTC)

Hi Lee,

I'm sorry you're running into this, and thanks for bringing this to our attention! I appreciate the sample files you attached; they helped me understand the problem better.

I tried to reproduce the issue on a new Storyline project and found that the issue happens when the slide on the next scene uses a "Picture or texture fill" with an image file as the background image. Please see the GIF of my tests below. I've attached the Storyline project I used for your reference.

bug reproduction GIF

I reported this to our product engineers as a possible bug, so they can investigate the problem and provide a fix as needed. We work hard to prevent software bugs from happening, but sometimes they sneak up on us. So here's how we define bugs and how we tackle them when they occur.

In the meantime, you can remove the image background in slide 3.1 of your project as a workaround. Please let me know if you have any questions.

Lee Millard
9 months ago07/31/23 at 3:50 pm (UTC)

Hi Eric!

Okay, I appreciate you being able to replicate this and confirm that I am not crazy. And secondly, thank you for forwarding this to your product engineers! We use background image fills very frequently and this explains why it's glitching when using a background image. I will be very excited if your team reviews and can squash this bug in a (near) future update! Thanks for looking into this for me!

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