There's open bug issue for class vars, maybe it's related?
https://pharo.fogbugz.com/f/cases/15504/Pull-up-down-a-class-variable-does-not-work

On Thu, Aug 13, 2015 at 5:58 PM, Sean P. DeNigris <sean@clipperadams.com> wrote:
This is a nasty one. If you pull up an inst var via Nautilus menus, any data
in that variable is nil-ed out in all instances. Ouch, not fun :/ Anyone
else experience this? Same on 5.0?



-----
Cheers,
Sean
--
View this message in context: http://forum.world.st/BUG-Pharo-4-0-Pull-Up-Inst-Var-Loses-Data-tp4842592.html
Sent from the Pharo Smalltalk Developers mailing list archive at Nabble.com.