Visual Studio Code 1.133 リリースノートVisual Studio Code 1.133 Release Notes

Visual Studio Code 1.133 is now available, continuing Microsoft's steady monthly cadence of updates to its widely used open-source code editor. For the large community of developers who work in the tool every day, each release matters because it typically bundles editor refinements, performance work, and bug fixes that shape everyday coding workflows across languages and platforms.

The release notes, published through the official vscode-updates channel, present version 1.133 as another incremental step rather than a wholesale redesign. The accompanying summary describes the update as bringing a new set of features, improvements, and bug fixes to the editor. That framing is consistent with how VS Code has historically been developed: monthly iteration releases that collect the changes made during the preceding development cycle, publish detailed notes, and roll out to users through the built-in update mechanism. Readers who want the specifics are directed to the full release notes, which usually break changes down by area such as the workbench, the integrated terminal, source control, language support, debugging, and the extension APIs.

For context, Visual Studio Code is a free, cross-platform editor that runs on Windows, macOS, and Linux. It is built on web technologies and the Electron framework, and its core is released as open source under the MIT license, while Microsoft distributes a branded build with additional services. Much of the editor's value comes from its extension ecosystem: the Marketplace hosts thousands of extensions that add language tooling, linters, formatters, themes, and integrations. Many of these rely on the Language Server Protocol, an approach VS Code helped popularize, which lets a single language "server" provide features like autocompletion and diagnostics to multiple editors. Because of this architecture, editor releases and extension updates often work together, and a version bump like 1.133 can matter as much for compatibility as for any single headline feature.

The release also lands in an unusually active period for developer tooling, which helps explain why even routine updates draw attention. VS Code sits at the center of Microsoft's broader developer strategy, connecting to services such as GitHub Codespaces for cloud-hosted environments, the Remote Development extensions for working over SSH, inside containers, or through Windows Subsystem for Linux, and the browser-based experience at vscode.dev. It is also the surface where GitHub Copilot and other AI assistants are commonly used, and recent VS Code development has increasingly emphasized AI-assisted features, including chat and agent-style capabilities. While the available excerpt does not enumerate what specifically changed in 1.133, improvements in these areas would be consistent with the direction the project has taken over the past several release cycles, so any AI-related refinements should be read as likely rather than confirmed here.

Competition is another part of the backdrop. VS Code's open-source core has spawned forks and alternatives, including AI-focused editors such as Cursor, while rivals like JetBrains and newer entrants like Zed continue to court professional developers. This environment appears to reinforce Microsoft's incremental approach: frequent, well-documented releases that keep the base editor fast and stable while extensions and companion services carry more specialized functionality. For teams standardizing on a single toolchain, that predictability can be as important as any individual capability.

Practically, most users receive updates automatically or through a prompt within the editor, and the changes generally apply across the supported desktop platforms. Enterprises and cautious adopters sometimes delay upgrades to validate extension compatibility, and reviewing the full notes before updating remains a reasonable step, particularly when a release touches settings, keybindings, or extension APIs that custom workflows depend on. Users on the Insiders build typically see these features earlier, as that channel serves as a testing ground before changes reach the stable release.

In short, VS Code 1.133 represents the latest routine milestone in a fast-moving product rather than a dramatic departure. Developers seeking to understand the exact scope of the update, including any new settings, language improvements, or fixes relevant to their stack, should consult the complete 1.133 release notes for the authoritative list of what changed.