Facebook Messenger "Could not display composer."
Nobody has claimed this yet.
- Dominant language
- JavaScript
- Stars
- 27k
- Forks
- 2.6k
- PR merge metrics
- No merged PRs in 30d
Description
Facebook Messenger (specifically the version available at https://www.messenger.com/) started displaying "Could not display composer." where you would normally enter text.

Vimium version: 1.59
Chrome version: 58.0.3029.96 (64-bit)
OS: macOS 10.12.4
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the issue at https://www.messenger.com/ using the reported Vimium 1.59, Chrome 58.0.3029.96, and macOS 10.12.4 versions, then inspect the behavior shown in the linked screenshot. Done means the Messenger composer displays normally while Vimium is enabled, with a regression test or other verified reproduction path if the project supports one.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript
- Domain
- frontend
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100