microsoft / microsoft/fluentui

[Bug]: Callout panel not following positioning

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#31,127 10 comments 0 reactions 0 assignees View on GitHub

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Area: Positioning Component: Dropdown Fluent UI react-components (v9) Needs: Discussion Package: positioning Resolution: Soft Close
Dominant language
TypeScript
Stars
20.3k
Forks
2.9k
Avg merge
2d 9h
Merged PRs (30d)
46

Description

Library

React Components / v9 (@fluentui/react-components)

System Info
System:
    OS: Windows 10 10.0.17763
    CPU: (8) x64 Intel(R) Xeon(R) Platinum 8272CL CPU @ 2.60GHz
    Memory: 15.86 GB / 32.00 GB
  Browsers:
    Internet Explorer: 11.0.17763.2989
Are you reporting Accessibility issue?

no

Reproduction

n/a

Bug Description

Actual Behavior

Callout panel is displaying to the side
image

Expected Behavior

Callout panel should display below
image

Note: There are 220 options

Logs

No response

Requested priority

Normal

Products/sites affected

No response

Are you willing to submit a PR to fix?

no

Validations
  • Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
  • The provided reproduction is a minimal reproducible example of the bug.

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue identifies React Components / v9 (@fluentui/react-components) and a Callout panel positioning problem. Start by reproducing the reported 220-option scenario in the stated browser environment and trace the Callout positioning entry point. Done means the panel displays below its trigger as expected, with a regression check for that behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
react, typescript
Domain
frontend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
42/100

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