What is the difference between gitlab version v3 and v4

GitLab is an open source project used to manage code and conduct software development. It aims to provide developers with a complete solution, including version control, CI/CD pipeline, issue tracking and collaboration functions. Among them, GitLab's version control system is one of the important components that form its core. v3 and v4 are different versions of GitLab. So, what are the differences between these two versions?

1. Front-end technology

Compared with the v3 version, the v4 version adds some new front-end technologies, such as Webpack, Vue, etc. These technologies can effectively improve the performance of GitLab pages , and optimize the front-end user experience.

2. Database Language

The GitLab v3 version uses a database access layer written in Ruby, while the v4 version uses Go for implementation. Go is an efficient, fast, and concurrent language. Compared with Ruby, it is more suitable for long-running applications that require high performance.

3. Code Warehouse Protocol

The v4 version supports multiple transport protocols (for example, SSH and HTTPS), while the v3 version only supports the HTTPS protocol.

4. Code review function

The v4 version adds important review features, such as "role-based review authorization", which allows users to better control the review process , and enhance the security and efficiency of audits. The v3 version lacks these auditing functions.

5. Integrated development

The v4 version provides more APIs and plug-ins, which makes it easier for developers to use GitLab for integrated development. The v3 version is relatively limited and not open enough, making integration between different development tools more difficult.

6. CI/CD

v4 version supports better CI/CD (continuous integration and continuous delivery) pipeline, which means developers can more easily implement automation Build and deploy processes, while also being able to monitor and track all build and test results, as well as the deployment process.

To sum up, the GitLab v4 version has been greatly improved compared to the v3 version in terms of functions, performance, front-end technology, etc. We can see that from the user's perspective, the use of the v4 version The experience is better, more secure and efficient, which is why more and more developers and enterprises choose to use the GitLab v4 series.

In short, whether it is v3 or v4, it occupies an important position in GitLab's version types. Developers need to choose the appropriate version based on project requirements, operating environment and other considerations to achieve the best results. Best use experience and effect.

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