Is CS4 patched to 6.0.6?
Well, I have no informations about that. I will recommend my client to check and update it in case is not.
So far I received three complains regarding IDML files. But two of them were from translators that were using Trados and DVX. For both I found turnarounds solutions on a forum for translators. Turned out that at least Trados doesn't have a support for IDML files generated by InDesign CC. At least not yet.
The last complain I just receive it yesterday and I was especially surprised as in my email I advised the client to use IDML to open the project as I knew they have an older version. Didn't knew how old.
Thank you for your support. Will keep you up to date in case they still have issues.
The theory is that all versions from CS4 forward should be able to open .idml from any version, but I won't swear it's true in practice. We've had some other similar reports with .idml from CC. I'd check to see it the .idml will reopen in CC, and in CS5 or 6, too. It could just be bad.
No. The client made the necessary updates and it worked. Thank you very much.