Where does the bug appear (feature/product)?
Cursor IDE
Describe the Bug
Guys guys guys! For the love of god you push 3 updates a day and almost every few weeks you break the dev containers.
Moving fast is great and here and there bugs are ok, but why can’t you get dev containers right!
2025-11-04 19:02:12.310 [error] [devcontainer run-user-commands][stderr JSON parse error]:
Error: Dev container config (c:\home\myuser\workspace\project.devcontainer\devcontainer.json) not found.
2025-11-04 19:02:12.311 [error] [devcontainer run-user-commands][stderr JSON parse error]:
at H6 (c:\Users\myuser.cursor\extensions\anysphere.remote-containers-1.0.26\dist@devcontainers\cli\dist\spec-node\devContainersSpecCLI.js:2:1596781)
at async BC (c:\Users\myuser.cursor\extensions\anysphere.remote-containers-1.0.26\dist@devcontainers\cli\dist\spec-node\devContainersSpecCLI.js:2:1598508)
at async d7 (c:\Users\myuser.cursor\extensions\anysphere.remote-containers-1.0.26\dist@devcontainers\cli\dist\spec-node\devContainersSpecCLI.js:2:1671901)
at async f7 (c:\Users\myuser.cursor\extensions\anysphere.remote-containers-1.0.26\dist@devcontainers\cli\dist\spec-node\devContainersSpecCLI.js:2:1671565)
at async c (c:\Users\myuser.cursor\extensions\anysphere.remote-containers-1.0.26\dist@devcontainers\cli\dist\spec-node\devContainersSpecCLI.js:2:1594760)
2025-11-04 19:02:12.311 [info] [devcontainer run-user-commands][stdout]:
{“outcome”:“error”,“message”:“Dev container config (c:\home\myuser\workspace\project\.devcontainer\devcontainer.json) not found.”,
“description”:“Dev container config (c:\home\myuser\workspace\project\.devcontainer\devcontainer.json) not found.”}
2025-11-04 19:02:12.322 [error]
Error resolving dev container authority
Failed to run devcontainer command:
- {“outcome”:“error”,
“message”:“Dev container config (c:\home\myuser\workspace\project\.devcontainer\devcontainer.json) not found.”,
“description”:“Dev container config (c:\home\myuser\workspace\project\.devcontainer\devcontainer.json) not found.”}
I am getting this error now.
Steps to Reproduce
this dev container json file was working now it gives the error attached
{
“name”: “${localWorkspaceFolderBasename} py3-pgvector”,
“dockerComposeFile”: “docker-compose.yml”,
“service”: “app”,
“workspaceFolder”: “/workspaces/${localWorkspaceFolderBasename}”,
“forwardPorts”: [8080, 5432, 1025, 8025, 465, 4443],
“mounts”: ,
“customizations”: {
“vscode”: {
“extensions”:
}
}
}
Expected Behavior
cursor opening my my project using dev containers
Operating System
Windows 10/11
Current Cursor Version (Menu → About Cursor → Copy)
Version: 2.0.60 (user setup)
VSCode Version: 1.99.3
Commit: c6d93c13f57509f77eb65783b28e75a857b74c00
Date: 2025-11-05T00:50:54.645Z
Electron: 37.7.0
Chromium: 138.0.7204.251
Node.js: 22.20.0
V8: 13.8.258.32-electron.0
OS: Windows_NT x64 10.0.26100
Does this stop you from using Cursor
Yes - Cursor is unusable