Hi, Here is a little heads up: in order to support Pharo 9, I made a change in a couple of my libraries/frameworks (using Integer #byteAt: instead of #digitAt:) that requires Pharo 7.0.5 (released recently) as minimum version.
https://github.com/svenvc/zinc https://github.com/svenvc/P3 https://github.com/svenvc/mqtt https://github.com/svenvc/NeoUniversalBinaryJSON If you are unable or unwilling to upgrade, you can patch this by adding the follow alias to Pharo versions < 7.0.5: Integer>>#byteAt: index ^ self digitAt: index Sven
