[bug]: cannot attach markdown file

[nadyyym]

Is there an existing issue for this?

• I have searched the existing issues

Current behavior

How to replicate

When I try to attach .md file to my work items, I get the following error:

{
"error": "Invalid file type.",
"status": false
}

Job-to-be-done

I don't want to write the whole architecture right in the epic – this way my LLM coding agent will spend tokens every time it refers to the task via MCP. It would be way easier for me to upload markdown to an epic so my claude code can refer to it only when stuck instead of reading it every time

Steps to reproduce

1. Go to work item page
2. Click on "attach file"
3. Upload .md file

Environment

Production

Browser

Other

Variant

Cloud

Version

Latest at the time of issue creation

[makeplane]

Synced with Plane Workspace 🔄

[GIT-45] [bug]: cannot attach markdown file

[AshrithSathu]

This should fix the issue #8524

@vihar @pushya22