Thinking about it - I maybe running Java 1.8 instead of Java 1.9, I will try to update the JRE and see what happens.
@southall (974.4e, jdk 1.8.0_162-b12, Mojava 10.14.1)
I have IB TWS (Trader Workstation) on a Macbook Pro 2018 (loaded i9, 32gb RAM etc). The GUI is laggy, unresponsive, and downright buggy (opening...
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