Ardublock on Linux

Ardublock is getting old. Supposedly, it once worked on Linux, but it doesn’t seem to anymore. The text input fields do not display the characters until return is pressed. (Downloaded Digital_Sandbox_Addon_1.6.1.zip from learn.sparkfun.com/Ardublock). I can deal with it, but it’s too much to ask from younger grade school students. I am setting up a robotics lab for grade school. Does anyone know if there was a version of jre which broke it? I could downgrade jre if I know what version to downgrade to.

Thanks

Brad

I’m going to add a little information to this. I tried arduino-1.8.12 for ARM on raspberry pi. This version has a subdirectory with java/bin/java in it. The version of java is:

java version “1.8.0_60”

Java™ SE Runtime Environment (build 1.8.0_60-b27)

which is a fairly early version of 8 (should be 2014 or 2015). I would expect this to work, if it ever did. Can anyone confirm it ever worked on linux? Specifically, I am referring to, for example, adding an integer variable in Ardublock and then clicking in the text field to assign a value. None of the characters show up until after I hit return.

Brad