During the alpha phase, we’re progressively adding all the new features that are scheduled to be part of the final release. Packages that have been verified to work with the last TECH release of a year (e.g., 2019.3) will also remain supported in the LTS version that will be based on it (e.g., 2019.4).Īlphas are the first public releases of a new TECH stream version of Unity. This means that they will receive updates that won’t introduce any breaking changes, as well as bug fixes, for at least as long as the version that they were verified for is supported. Verified packages are supported to the same extent as the Unity versions that they have been verified for (see “What is the TECH stream?” and “What’s an LTS release?” below for more information). Verified packages have undergone additional testing and have been verified to work with a specific version of Unity, and with all the other packages that are verified for that version. Functionality and APIs can still change and backward compatibility is not guaranteed. They’re still evolving and likely to contain bugs. However, they aren’t recommended for projects in production. Preview packages give you early access to new features and improvements that are in active development.

Many existing and upcoming Unity features are available as packages, which you can download via the Package Manager in the Editor.

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