diff --git a/docs/tutorial/electron-versioning.md b/docs/tutorial/electron-versioning.md index cae99344a657..3f6c9ef90d43 100644 --- a/docs/tutorial/electron-versioning.md +++ b/docs/tutorial/electron-versioning.md @@ -1,21 +1,55 @@ # Electron Versioning -If you are a seasoned Node developer, you are surely aware of `semver` - and -might be used to giving your dependency management systems only rough guidelines -rather than fixed version numbers. Due to the hard dependency on Node and -Chromium, Electron is in a slightly more difficult position and does not follow -semver. You should therefore always reference a specific version of Electron. +If you've been using Node and npm for a while, you are probably aware of [Semantic Versioning], or SemVer for short. It's a convention for specifying version numbers for software that helps communicate intentions to the users of your software. -Version numbers are bumped using the following rules: +## Overview of Semantic Versioning -* Major: For breaking changes in Electron's API - if you upgrade from `0.37.0` - to `1.0.0`, you will have to update your app. -* Minor: For major Chrome and minor Node upgrades; or significant Electron - changes - if you upgrade from `1.0.0` to `1.1.0`, your app is supposed to +Semantic versions are always made up of three numbers: + +``` +major.minor.patch +``` + +Semantic version numbers are bumped (incremented) using the following rules: + +* **Major** is for changes that break backwards compatibility. +* **Minor** is for new features that don't break backwards compatibility. +* **Patch** is for bug fixes and other minor changes. + +A simple mnemonic for remembering this scheme is as follows: + +``` +breaking.feature.fix +``` + +## Electron Versioning + +Due to its dependency on Node and Chromium, it is not possible for the Electron +project to adhere to a SemVer policy. **You should therefore always +reference a specific version of Electron.** + +Electron version numbers are bumped using the following rules: + +* **Major** is for breaking changes in Electron's API. If you upgrade from `0.37.0` + to `1.0.0`, you will have to make changes to your app. +* **Minor** is for major Chrome and minor Node upgrades, or significant Electron + changes. If you upgrade from `1.5.0` to `1.6.0`, your app is supposed to still work, but you might have to work around small changes. -* Patch: For new features and bug fixes - if you upgrade from `1.0.0` to - `1.0.1`, your app will continue to work as-is. +* **Patch** is for new features and bug fixes. If you upgrade from `1.6.2` to + `1.6.3`, your app will continue to work as-is. -If you are using `electron` or `electron-prebuilt`, we recommend that you set a fixed version -number (`1.1.0` instead of `^1.1.0`) to ensure that all upgrades of Electron are -a manual operation made by you, the developer. +We recommend that you set a fixed version when installing Electron from npm: + +```sh +npm install electron --save-exact --save-dev +``` + +The `--save-exact` flag will add `electron` to your `package.json` file without +using a `^` or `~`, e.g. `1.6.2` instead of `^1.6.2`. This practice ensures that +all upgrades of Electron are a manual operation made by you, the developer. + +Alternatively, you can use the `~` prefix in your SemVer range, like `~1.6.2`. +This will lock your major and minor version, but allow new patch versions to +be installed. + +[Semantic Versioning]: http://semver.org