Known Issue - Castors and Castorboards
Due to the fact that a lot of major improvements in core code and models have been implemented in the latest update, it does mean that projects created on 0.17.3 (or older) may have issues with size updates and editing functions.
Unfortunately these updates have been required to get the software ready for the V1 release. Once V1 is released, we will be able to guarantee much greater continuity when working with older projects. (created on V1 or older)
Workaround
By deleting old castorboards and wheels, then adding them again will fix the issue.
Please checkout the new tutorials on how to add castors in V0.19.3 +