VSCodium
VSCodium 1.126.04524 builds free binaries from the upstream VS Code source with Microsoft branding removed and telemetry disabled by default. It supports code editing, debugging, terminals, Git, remote work and Open VSX extensions.
What VSCodium provides
VSCodium uses automation to build free binaries from the public VS Code source, removing Microsoft branding and disabling telemetry defaults. It retains much of the familiar editor workflow while using Open VSX and different distribution policies.
Extensions and migration
An Open VSX extension is not automatically equivalent to a Visual Studio Marketplace extension. Check publisher, license, update date, permissions and compatibility, and migrate settings, snippets and workspaces from a backup rather than copying every directory at once.
Maintenance note
This page reviews VSCodium 1.126.04524 for Windows, macOS and Linux, including Open VSX, VS Code migration, workspace trust, remote development and the fact that extensions and language servers can still use the network. Content review date: 2026-08-23.
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VSCodium 1.126.04524 extension migration and privacy guide
Choose the package for the system and architecture, preserve a VS Code backup, test a clean VSCodium profile and migrate only the extensions and settings that are confirmed compatible.
Before you start
- Confirm the Windows, macOS or Linux version and architecture requirements before choosing EXE, MSI, ZIP, DMG, DEB, RPM, AppImage or TAR.GZ.
- Export extensions, settings, key bindings and snippets, and back up projects that are not committed.
- Identify Microsoft-only extensions, remote components and organization policies that may need an open alternative.
Installation steps
- 01
Choose the update and package mode
Select the matching installer or portable package, understand its update behavior and keep the user data directory separate from an older VS Code installation.
- 02
Test a clean profile
Open a trusted sample folder without copying every old setting, then check terminal, Git, fonts, encoding, language services and workspace trust.
- 03
Install the minimum Open VSX set
Add extensions one at a time, verify publisher, release date, license and permissions, and inspect logs and project behavior after each install.
Quick start
- 01
Migrate settings selectively
Copy settings, key bindings and snippets in small groups, keeping a rollback copy and checking whether paths or commands assume the Microsoft build.
- 02
Verify language tooling
Open a representative project, run formatting, linting, debugging and tests, and record language-server or package-manager network requests.
- 03
Review workspace trust
Keep untrusted folders in restricted mode, approve only known repositories and confirm that tasks and extensions do not execute unexpected commands.
Usage tips
- Disabled default telemetry does not make the editor fully offline; extensions, language servers, Git, package managers, updates, remote tools and AI services may connect separately.
- Open VSX availability and extension licenses differ from the Visual Studio Marketplace. Prefer maintained, clearly licensed alternatives.
- Keep a separate profile for experiments and review extension permissions before opening a project with secrets or deployment credentials.
Troubleshooting and uninstall
Why can I not find a VS Code extension?
VSCodium normally uses Open VSX, and some Microsoft extensions have marketplace or product restrictions. Search for an open alternative and verify its license and compatibility.
Why does a migrated project behave differently?
Check extension source, language-server version, executable paths, settings and workspace trust, then reproduce in a clean profile before changing the project itself.
- Export profile and project notesSave settings, snippets, extension names, toolchain paths and project-specific configuration before removing the editor.
- Remove the editor after verificationClose VSCodium, uninstall through the operating system and clear user data only after a backup profile can reopen a representative project.
Frequently asked questions
Is VSCodium a separate feature fork of VS Code?
It is built from the public VS Code source using automated scripts, with community defaults, branding and telemetry endpoints changed. Distribution, extensions and proprietary components can still differ.
Why can an extension be missing or incompatible?
VSCodium uses Open VSX, while some extensions are limited to Microsoft products or the Visual Studio Marketplace. Check for an open alternative and its license.
Does disabled telemetry mean VSCodium never connects to the network?
No. Extensions, language servers, Git, package managers, update checks, remote development and AI tools can each make their own connections.