FYI, 4D (another database system) has found a serious bug caused by upgrading to OS X 10.4.8. This bug causes calculations to be incorrect.

I'm wondering if there is any chance of this occurring in FileMaker, if the bug is in fact in a OS X library?

http://4dtoday.com/news?c=detail&id=4690

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Urgent: 4D 2004 and Mac OS X 10.4.8 on the Mac Intel Platform

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We have verified a serious issue with the latest revision of Mac OS X

10.4.8 on Intel-based machines. Apple has confirmed a bug that causes

rounding and truncation issues in 4D-based applications. Apple has informed

us that this bug should be fixed in the next revision of the Mac OS X 10.4.

However, in the meantime, we are aware of the severity of this bug, such

that we are now recommending that Mac OS X 10.4.8 on Intel be avoided for

any 4D-based applications.



We are committed to supporting the 4D 2004 product line on Mac Intel via

Rosetta and as such confirm that we are actively pursuing a workaround for

this issue.



As you know, 4D is a large and powerful application, so we do require some

time to ensure that we identify every issue caused by this Apple bug. We

will add this workaround to the next revision of the 4D

2004.5 beta. We ask for your help and support in ensuring that our

workaround does remove any manifestations of this bug by comprehensively

testing your applications with this beta release.



We currently plan to release this as a public beta to ensure that we provide

as much exposure as possible. This will ensure our workaround is effective

in 100% of the cases.



In addition, we are accelerating the release cycle of 4D 2004.5 to get this

version into your hands as soon as possible.

Just to be clear -- this is a bug with 4D, not FileMaker. I'm not claiming there is any such bug in FileMaker with OS X 10.4.8, just posing the question as to whether it might exist.

I believe the bug has to do with the Rosetta translation environment that allows you to run PPC on the Intel based Macs as there have been sporadic reports of math problems with the latest OS update.

Daniel