I started to have problems with error displays in EAP, for some edits editor do not refresh coloring and error markings until another edit is made.
IntelliJ IDEA (Community Edition) IC-144.4199.23 Build #IC-144.4199, built on February 19, 2016 JRE: 1.8.0_76-release-b19 amd64 JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o