Due to a bug with Eclipse 2020-09, Rodin 3.5 has an issue with refreshing in the editors and views. The original issue in Eclipse is here
https://bugs.eclipse.org/bugs/show_bug.cgi?id=569147
The fix will be available in the next release of Eclipse, i.e., 2020-12.
Son
We will need another release of Rodin when Eclipse 2020-12 is released.
Since Rodin 3.6 is based on Eclipse 2020-12, this bug is fixed.