Version: 2017.3 (switch to 2018.1b)
Using the Automatic API Updater
Upgrading to Unity 2017.2
Other Versions

Upgrading to Unity 2017.3

This page lists any changes in 2017.3 which might affect existing projects when you upgrade from earlier versions of Unity.

For example:

  • Changes in data format which may require re-baking.

  • Changes to the meaning or behavior of any existing functions, parameters or component values.

  • Deprecation of any function or feature. (Alternatives are suggested.)

PassType.VertexLMRGBM has been deprecated

In Unity 2017.3, the shader pass VertexLMRGB is ignored. For example: Tags { "LightMode" = "VertexLMRGBM" }

Instead, provide or update a VertexLM shader pass using the DecodeLightmap shader function that supports all types of lightmap encodings. Built-in mobile shaders also use DecodeLightmap shader function now.

Lighting output may change in your existing projects that use built-in mobile shaders such as Mobile or VertexLit on desktop platforms. This is because the maximum range of RGBM encoded values has changed from [0, 8] to [0, 5].

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Using the Automatic API Updater
Upgrading to Unity 2017.2