What is the update strategy of the App SDK? Will the SDK update affect the past?

The SDK will be released about a month after the public App(Tuya Smart & Smart Life) is upgraded. The SDK has all the stable features of the public version of the App. The SDK update will try to be automatically compatible with the previous version. Sometimes it may not be compatible for technical reasons (such as upgrading from the 2 series to 3 ), we will give corresponding solutions and guidance to ensure the stable function of the App;