Adam

Thanks for reporting this, @janeadams We'll do more digging into the matter and get back to you. @archmoj - [fig](https://codepen.io/charming-data/pen/zYXpGyE) - [new_fig](https://codepen.io/charming-data/pen/xxepGQY) - [add_width](https://codepen.io/charming-data/pen/YzMYXdR)

hi @stangelandm1 I tried the code above on my windows machine, Firefox browser, and Plotly 5.18, and I can't replicate the error. It works fine for me. Can you please...

hi @luggie I'm getting a blank screen when I try to run your code. How did you get the graph to populate? 

@luggie thank you for sharing the last code snippet. Indeed, when the slider value is equal to 150, the third marker disappears.  I wonder if this is related to...

hi @archmoj Here's the [codepen ](https://codepen.io/charming-data/pen/oNOEaNz)to replicate the issue.

Unfortunately, we're limited with resources currently. I'd encourage the community to try to fix the bug and write a test if possible. We would make sure to review that PR.

Hi @mhangaard We are in the process of cleaning up old issues and seeing how to move forward with them. We hope to have an answer in a few weeks.

hi @MaAl13 These questions are usually best asked and answered on the forum. I would also recommend you share sample data and some code that shows what you've tried so...

hi @mic-user, This is a question best asked on the [Plotly forum](https://community.plotly.com/). If you don't get a satisfying answer, [please let me know](https://community.plotly.com/u/adamschroeder/summary). Thank you,

hi @mic-user Thanks for sharing the link to the forum question. I'll look at it right now and respond there.