Upwork does not save captions for my profile items

Upwork
,
1

Step 1.

I add a caption to a project file (image).

Step 2.

I save the caption.

Step 3.

If I open the portfolio item without the page reloading in the browser, then the caption is correctly shown.

Step 4.

But when I open the portfolio item after the page has been reloaded in the browser, then the caption is missed.