After opening a .qmd document, the outline displays no content.

[dbcoffee]

System details:

Positron and OS details:

Positron Version: 2025.01.0 (system setup) build 159
Code - OSS Version: 1.95.0
Commit: bc8820b
Date: 2025-01-09T23:34:24.616Z
32.2.1
128.0.6613.186
Electron: 20.18.0
ElectronBuildId: 12.8.374.38-electron.0
Chromium: Windows_NT x64 10.0.26100
Node.js: undefined
V8: undefined
OS: undefined

Interpreter details:

R 4.4.1

Describe the issue:

When opening a .qmd file in Positron, the sidebar outline does not display any content initially. However, after editing the contents of the .qmd file, the outline updates and displays correctly.

Steps to reproduce the issue:

1. Create a new .qmd document and input Markdown text.
2. Close Positron directly.
3. Upon reopening Positron, the previously opened .qmd file automatically opens, but the outline does not display any content. After editing the .qmd file, the outline then displays correctly.

Expected or desired behavior:

When Positron opens, the outline of the automatically opened .qmd file displays correctly.

Were there any error messages in the UI, Output panel, or Developer Tools console?

NO.

[lionel-]

Thanks for the report! Unfortunately I cannot reproduce: https://github.com/user-attachments/assets/ccc23f2e-4a30-4928-ad3f-a3fcab08c76e

Could you post a screencast please? And the contents of the qmd file? Does it happen with any qmd files?

[juliasilge]

If you are able to test out whether this happens in VS Code as well, that would be super helpful. There have been some intermittent problems with the outline such as in #3824 but:

• so far folks are also able to observe the behavior in VS Code, which means it is not a Positron problem, but a problem for the Quarto extension
• we have not been able to reproduce the problem on the Positron team, making it tough to think about how to fix

[dbcoffee]

Whether opening or modifying the content of the .qmd file, there is no display in the Outline panel in VSCode (The Quarto extension has already been installed). In Positron, the outline does not display only when Positron is first started, but after modifying the .qmd file, it displays normally. On my other computer, where Positron is installed, there are no issues when opening Positron.

There is the screencast https://github.com/user-attachments/assets/a6fdcb4f-cdb2-4dca-9a73-d6567237b38a

[lionel-]

Actually I can now reproduce:

• Create a new qmd file containing a couple of headers
• Close the tab
• Quit Positron and relaunch it
• Open the file again

You should see:

[juliasilge]

We see this in Positron but not VS Code using the same version of the Quarto extension.

If you close and re-open the file, the outline appears correctly.