Unity Version Split

Split a C# source file into two variants: one for Unity 6.5+ (UNITY_6000_5_OR_NEWER) and one for older versions (pre-Unity 6.5).

When to Use

Unity 6.5 introduced breaking changes including:

• EntityId replaces int for instance IDs (GetEntityId() replaces GetInstanceID())
• EditorUtility.EntityIdToObject(EntityId) replaces EditorUtility.InstanceIDToObject(int)
• Implicit EntityId <-> int conversions are marked [Obsolete(..., true)] (compile error)

When a file needs different code for these Unity versions, split it into two files following the project convention.

File Naming Convention