Reproduction steps:
1. Create a new project
2. Select any GameObject, click “Add Component” button and select Particle System Component (Visual Effects > Particle System)
3. Window > Animation > Animation
4. Make sure GameObject is still selected, click “Create” button in Animation window and “Save” button in “Create New Animation” pop-up window
5. Click “Add Property” button, right-click on Particle System and press “Add Properties” option
6. Move playhead and observe the Console

Actual result: “Unsupported type MinMaxCurve” error and over 50 different “Could not register property modification for animation binding…” warnings are thrown
Expected result: No errors or warnings are thrown

Reproducible with: 6000.0.68f1, 6000.3.10f1, 6000.4.0b10, 6000.5.0a7

Reproduced on: Windows 11, macOS Sequoia 26.2 (M4)

Notes:
Full error:
{code:java}
Unsupported type MinMaxCurve
UnityEditor.AnimationWindowBuiltin.AnimationWindowControl:ResampleAnimation ()
UnityEditorInternal.AnimationWindowState:ResampleAnimation () (at /Users/bokken/build/output/unity/unity/Editor/Mono/Animation/AnimationWindow/AnimationWindowState.cs:582)
UnityEditorInternal.AnimationWindowState:OnNewCurveAdded (UnityEditor.EditorCurveBinding) (at /Users/bokken/build/output/unity/unity/Editor/Mono/Animation/AnimationWindow/AnimationWindowState.cs:1458)
UnityEditorInternal.AnimationWindowState:Refresh () (at /Users/bokken/build/output/unity/unity/Editor/Mono/Animation/AnimationWindow/AnimationWindowState.cs:269)
UnityEditorInternal.AnimationWindowState:Update () (at /Users/bokken/build/output/unity/unity/Editor/Mono/Animation/AnimationWindow/AnimationWindowState.cs:225)
UnityEditor.EditorApplication:Internal_CallUpdateFunctions () {code}
Full warning:
{code:java}
Unsupported type MinMaxCurve
UnityEditor.AnimationWindowBuiltin.AnimationWindowControl:ResampleAnimation ()
UnityEditorInternal.AnimationWindowState:ResampleAnimation () (at /Users/bokken/build/output/unity/unity/Editor/Mono/Animation/AnimationWindow/AnimationWindowState.cs:582)
UnityEditorInternal.AnimationWindowState:OnNewCurveAdded (UnityEditor.EditorCurveBinding) (at /Users/bokken/build/output/unity/unity/Editor/Mono/Animation/AnimationWindow/AnimationWindowState.cs:1458)
UnityEditorInternal.AnimationWindowState:Refresh () (at /Users/bokken/build/output/unity/unity/Editor/Mono/Animation/AnimationWindow/AnimationWindowState.cs:269)
UnityEditorInternal.AnimationWindowState:Update () (at /Users/bokken/build/output/unity/unity/Editor/Mono/Animation/AnimationWindow/AnimationWindowState.cs:225)
UnityEditor.EditorApplication:Internal_CallUpdateFunctions ()
{code}