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UVs generated after the vertex transformation are more accurate to the original shape and scale of your imported object.īack to top All Asset bundle hashes are different so all bundles are builtįrom Unity 2020.1, Unity generates a different hash for all asset bundles in your project. Previous to Unity 2020.1, Unity generated lightmap UV maps using the original imported Mesh vertex positions, before the automatic position transformation. Lightmaps are overlaid on top of scene geometry to create the effect of lighting. See in Glossary automatically.įrom Unity 2020.1, Unity generates lightmap UVs using the transformed Mesh vertices, if you’ve enabled Generate Lightmap A pre-rendered texture that contains the effects of light sources on static objects in the scene. To use a different scale, set the Scale Factor in the Import Settings when importing assets.

Unity transforms the positions of all imported Mesh vertices to scale in Unity units The unit size used in Unity projects. More info See in Glossary you import to a project. More info See in Glossary UVs of 3D objects A 3D GameObject such as a cube, terrain or ragdoll. Nurbs, Nurms, Subdiv surfaces must be converted to polygons. Unity supports triangulated or Quadrangulated polygon meshes. Meshes make up a large part of your 3D worlds. Unity might change the Mesh The main graphics primitive of Unity. Set up Code Optimization in order to continue using Code CoverageĪll Mesh vertices are transformed for better UV unwrapping.Improved LOD baking with the Progressive Lightmapper.The multiplayer HLAPI package is not automatically installed in project upgrades.All Asset bundle hashes are different so all bundles are built.All Mesh vertices are transformed for better UV unwrapping.Note that 2020LTS is also known as 2020.3.

This page lists changes in the Unity 2020 LTS version which might affect existing projects when you upgrade from a 2019 version to 2020 LTS. For example, if you need to upgrade your project from 2018 to 2020, read the 2019 upgrade guides to see if there are any changes that you need to make before you read the 2020 upgrade guides. Note: Follow the advice in this section in release order.