Integer properties within scripts can be animated in 2017.31 NewIn20173
Cloth self collision and intercollision added in 2017.3 NewIn20173
Shader warm up for GPU instancing added in 2017.3 NewIn20173
Ask to Buy, Transaction Receipts, and Intercepting Receipts added in 2017.3 NewIn20173
HDR lightmap support added in Unity 2017.3 NewIn20173
Use Embedded Materials added in 2017.3 NewIn20173
Mesh Cooking Options added in 2017.3 NewIn20173
Index Format property added in 2017.3 NewIn20173
Added 2D and 3D panoramic video support in 2017.3 NewIn20173
Transform tool added in 2017.3 NewIn20173
New in Unity [2017.3] (https://docs.unity3d.com/2017.3/Documentation/Manual/30_search.html?q=newin20173) NewIn20173
Standard Particle Shaders added in 2017.3 NewIn20173
Crunch compression format updated in 2017.3 NewIn20173
Speed Modifier property added to Velocity over Lifetime module in 2017.3 NewIn20173