Hi @antonyfrolov, welcome to the Supernotes Community!
We removed image resizing with the introduction of the new Super Editor in Supernotes 2. All of the previous editing behaviour had to be re-written for the new editor – which has been a huge task and we decided to simply remove this instead of re-implementing it.
The reason for this is that the previous method for image re-sizing was a bit tedious and produced inconsistent results on different screen sizes – so not many people used it.
We are constantly improving how images function in the new editor and just released drag and drop / pasting support for images in 2.0.2. We still have plans to continue to improve how images behave in the editor – so you can see a preview of the image as well as resize / align the image. It will come soon!