The invisible bedrock on the sides of worlds can be passed by flying over them above the build-limit
-Click ''Play''
-Start a new world in old size in creative mode
-Fly to one of the 4 worldborders
-Fly above the build limit and land on the invisible Bedrock
Linked issues
Comments 2
Duplicate of MCPE-261 and many others – If you have not, please use the search function in the future, to see if your bug has already been submitted.
It was a very old bug.