1# **930032 < 930031**23No migration changes.45# **930031 < 929031**67No migration changes.89# **929031 < 929030**1011No migration changes.1213# **929030 < 927030**1415### **pallet-common**1617* Replaced returned weight `0` with `Weight::zero()`1819### **pallet-nonfungible**2021* Replaced returned weight `0` with `Weight::zero()`2223### **pallet-refungible**2425* Replaced returned weight `0` with `Weight::zero()`2627### **pallet-unique**2829* Replaced returned weight `0` with `Weight::zero()`3031# **927030 < 927020**3233No migration changes.3435# **927020 < 924020**3637No migration changes.3839# **924020 < 924012**4041### **pallet-refungible**:4243* Removed the previous migration:44 * bump of the storage version to 145* Added:46 * cleaning all storage of now-redundant **TokenData** if the storage version is below 247 * bump of the storage version to 24849# **924012 < 924011**5051### **pallet-unique:**5253* Removed the previous migration:54 * forceful cleaning all storage of **VariableMetaDataBasket**, cache for sponosoring setting deprecated variable metadata5556# **924011 < 924010**5758### **pallet-common:**5960* Removed the previous migration:61 * all collections from **Collection** version 1 to version 2, if the storage version is below 1:62 * displacing _offchain_schema, variable_on_chain_schema, const_on_chain_schema, schema_version_ into _properties_63 * displacing _acccess, mint_mode_ into _permissions.access, permissions.mint_mode_64 * adding _external_collection_ flag65* Added forceful bump of the storage version to 16667### **pallet-nonfungible:**6869* Removed the previous migration:70 * all items from nonfungible **ItemData** version 1 to version 2, if the storage version is below 1:71 * displacing _const_data, variable_data_ into _properties_72 * adding permission for the collection admin to set the immutable __old_constData_ property73* Added forceful bump of the storage version to 17475### **pallet-refungible:**7677* Removed the previous migration:78 * all items from refungible **ItemData** version 1 to version 2, if the storage version is below 1:79 * removing _variable_data_80* Added forceful bump of the storage version to 1