- Allow `publish` plugins to return an `Object` with information related to the releases
- Add the `success` plugin hook, called when all `publish` are successful, receiving a list of release
- Add the `fail` plugin hook, called when an error happens at any point, receiving a list of errors
- Add detailed message for each error
- Remove the `getLastRelease` plugin type
- Retrieve the last release based on Git tags
- Create the next release Git tag before calling the `publish` plugins
BREAKING CHANGE: Remove the `getLastRelease` plugin type
The `getLastRelease` plugins will not be called anymore.
BREAKING CHANGE: Git repository authentication is now mandatory
The Git authentication is now mandatory and must be set via `GH_TOKEN`, `GITHUB_TOKEN`, `GL_TOKEN`, `GITLAB_TOKEN` or `GIT_CREDENTIALS` as described in [CI configuration](https://github.com/semantic-release/semantic-release/blob/caribou/docs/usage/ci-configuration.md#authentication).
**Refactor and clarify the documentation in `README.md`**
- Add Highlights
- Add a Table of contents
- Clarify the way semantic-release works
- Clarify relationship with the CI environments
- Describe local install for Node projects (with a `package.json`) and global install for non-JavaScript projects
- Explain CI general configuration (environment variables and a run after all jobs are successful)
- Clarify configuration (via config file or CLI arguments)
- Clarify plugin roles and configuration
- Add doc for shareable configuration
- Add recipes
- Add resources (Videos, articles, tutorials)
- Add a Support section
- Add a Team section
**Add the following FAQs**
- How can I use a npm build script that requires the `package.json`’s version ?
- Can I use Semantic-release with Yarn?
- Can I use Semantic-release to publish non-JavaScript packages?
- Can I use Semantic-release with any CI service?
- Can I use Semantic-release with any GitLab?
- Can I use Semantic-release with any Git hosted environment?
- Can I skip the release to the npm registry?
- Can I use .npmrc options?
- How can I set the access level of the published npm package?
- Can I use Semantic-release to publish a package on Artifactory?
- Can I set the initial release version of my package to 0.0.1?
- Why does semantic-release require Node version >= 8?
**Clarify Nove 8 requirement and solutions**
- Add Node version requirement explanation and solutions
- [X] Display a link to the documentation when running on Node < 8 version
**Add recipes**
- Travis
- GitLab CI
- Travis with build stages - To be done in #573
- CircleCI workflows - To be done in #573
