One thing I’ll note is that it also seems to be server specific. It doesn’t happen at my server at Rackspace, but does happen for my client’s server.
I thought this was a server specific issue at first, but realized that rolling back to 5.5.3 resolves the issue… so while it may be a server value that is different between the two environments, it does not seem to be just a server issue. I’m assuming that something changed in 5.5.4 in regards to how images are reference, checked, or retained upon save that might be causing the issue. Perhaps a timeout is occurring that is causing the link/reference to be dropped.
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