(2022.3.3f1) Issues with serialization and generics

Questions & Answers
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1

I was trying to do a Translation System with properties, those properties i need that they can be of any type then i used generics, but for some reason unity can’t serialize them, here the files:

Base Class

using System;
using UnityEngine;

[Serializable]
public abstract class TranslationProperty : ScriptableObject
{
    [field: SerializeField]
    public string Name { get; protected set; }
    public abstract void SetValue(object newValue);
    public abstract object GetValue();
    public static T CreateInstance<T>(string name, string value) where T : TranslationProperty
    {
        var instance = CreateInstance<T>();
        instance.Name = name;
        instance.init(value);
        return instance;
    }
    protected abstract void init(string value);
    public abstract TranslationProperty Clone();
#if UNITY_EDITOR
    public bool Foldout = false;
    public abstract void OnInspector();
#endif
}

Generic Class

using UnityEngine;
using System;
#if UNITY_EDITOR
using UnityEditor;
#endif
[Serializable]
public abstract class TranslationProperty<T> : TranslationProperty
{
    [field: SerializeField]
    public T Value { get; set; }
    public override object GetValue()
        => Value;
    public override void SetValue(object newValue)
        => Value = (T)newValue;
    public abstract T Parse(string value);
    public override TranslationProperty Clone()
    {
        TranslationProperty<T> instance = (TranslationProperty<T>)getInstance();
        instance.Name = Name;
        instance.SetValue(Value);
        return instance;
    }
    protected abstract TranslationProperty getInstance();
    public override string ToString()
    {
        return Value.ToString();
    }
    protected override void init(string value)
    {
        Value = Parse(value);
    }
#if UNITY_EDITOR
    public override void OnInspector()
    {
        EditorGUILayout.LabelField($"Property {Name}");
    }
#endif
}

SubClass:

using UnityEngine;
using System;
#if UNITY_EDITOR
using UnityEditor;
#endif
[Serializable]
public class IntProp : TranslationProperty<int>
{
    public override int Parse(string value)
        => int.Parse(value);
    protected override TranslationProperty getInstance()
        => CreateInstance<IntProp>();
#if UNITY_EDITOR
    public override void OnInspector()
    {
        EditorGUILayout.BeginHorizontal();
        base.OnInspector();
        Value = EditorGUILayout.IntField(Value);
        EditorGUILayout.EndHorizontal();
    }
#endif
}

I really don’t know what is failing because all properties/fields have the SerializeField, the base class inherit from ScriptableObject and all use [Serializable].
For this i did a test class:

using UnityEngine;

public class TestTranslation : MonoBehaviour
{
    public IntProp prop;
}

Also an editor for that test:

using UnityEditor;

[CustomEditor(typeof(TestTranslation))]
[CanEditMultipleObjects]
public class TestTranslationEditor : Editor
{
    public override void OnInspectorGUI()
    {
        TestTranslation t = (TestTranslation)target;

        if (t.prop == null)
            t.prop = TranslationProp.CreateInstance<IntProp>("prop1", "0");
        t.prop.OnInspector();

        EditorUtility.SetDirty(t);
    }
}

I would like that the property is serialized correctly.