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Colin LoretzColin Loretz 

Upgrading a package

I have already deployed a package to a production org. I've made changes to the triggers in the developer org and reuploaded the package.

When I install it, will it only update the items that have been changed or give it a new fresh install?

I'm trying not to lose my tab, search, and page layouts as well as a few custom buttons I added after the first installation.

I'm also experiencing the same problem. I recently made updates to my package thinking it would only install updates. But I was forced to delete the existing packages in my installed orgs and reload (losing valuable data).

If I did something wrong. I would love some advice or direction to be fix the problem, since we plan to make many more updates over the next few months.

Also - is it possible to update a field name on a Managed package? I realized I miss spelled a field name and its live in my clients production environment.