microsoft
Setting `workbench.editorAssociations` to change the default open mode of markdown to preview doesn't work
Type: Bug
Step 1: Set settings.json.
"workbench.editorAssociations": {
"*.md": "vscode.markdown.preview.editor"
},
Step 2: Open any markdown file using vscode. I'm using the code --disable-extensions README.md command here.
Step 3: You can see that vscode doesn't open markdown as a preview.
VS Code version: Code 1.82.1 (6509174151d557a81c9d0b5f8a5a1e9274db5585, 2023-09-08T08:45:05.575Z) OS version: Windows_NT x64 10.0.19045 Modes:
System Info
| Item | Value |
|---|---|
| CPUs | AMD Ryzen 5 PRO 4650U with Radeon Graphics (12 x 2096) |
| GPU Status | 2d_canvas: enabled canvas_oop_rasterization: enabled_on direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok video_decode: enabled video_encode: enabled vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: enabled |
| Load (avg) | undefined |
| Memory (System) | 15.23GB (6.07GB free) |
| Process Argv | --disable-extensions README.md --crash-reporter-id f5996097-ae46-4ad3-8875-a294c592650a |
| Screen Reader | no |
| VM | 0% |
A/B Experiments
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I had this problem as well and just apparently found a fix but unsure why. I noticed on your setting, there is a comma after the closing bracket indicating there are other settings below it.
Mine was this way as well, but I removed it and went through the editor associations settings in the UI to add the key and it added it to the bottom of my settings - and now it works for some reason. So the fix for me was just to move it to the bottom. The only setting that was below it for me was "redhat.telemetry.enabled": false so maybe that particular setting messed it up for me but that was my experience?
Either way, here is my fully functioning settings.json for reference:
{
"window.menuBarVisibility": "classic",
"workbench.colorTheme": "Monokai",
"workbench.startupEditor": "none",
"redhat.telemetry.enabled": false,
"workbench.editorAssociations": {
"*.md": "vscode.markdown.preview.editor"
}
}
I get this too, 1.100.2, mac. But it seems this issue isn't often complained about, so presumably it's some perfect storm of settings?
Interestingly, after forcing the .md's I was testing into preview with "reopen editor with...", subsequent opens worked. I tried a bunch of other .md files and they opened in the preview editor, but I consistently saw the ones I was testing fail to do so, even after dev reload window or full app restart.
I tried it on another machine, and couldn't get this to repro at all. Not sure what the cause is, but forcing some of the files to open with preview seemed to resolve it, if that helps any future people.
