[Popover]: [Popover's content is wrongly positioned if MessageStrip component is inside]

[mishalov]

Describe the bug

I have a table (Table from react-ui5), there is a cell and popover inside the cell. Popover with my own content (text, any other ReactNodes from my app) works fine, but when i add MessageStrip - it start to blink link on the attached video.

Screen.Recording.2026-01-16.at.8.34.38.mov

Isolated Example

No response

Reproduction steps

     <UI5Popover
            popoverPosition={PopoverPlacementType.Top}
            component={(props: TargetProps) => (
                <div>1</div>
            )}
            componentId={...}
        >
            <UsagePopoverContent
            />
        </UI5Popover>

const UsagePopoverContent = () => <div>
  <MessageStrip hideCloseButton>
                    Any text
  </MessageStrip>
</div>

Expected Behaviour

Normal popover state, like with text on the attached video

Screenshots or Videos

Screen.Recording.2026-01-16.at.8.34.38.mov

UI5 Web Components for React Version

2.18.1

UI5 Web Components Version

2.18.1

Browser

Chrome

Operating System

MacOS

Additional Context

No response

Relevant log output

Organization

SAP Signavio

Declaration

• I’m not disclosing any internal or sensitive information.

[Lukas742]

Hi @mishalov

please add an isolated, reproducible example, preferably by using this StackBlitz template.