how to review info for yum updates?

[Thomas TS]

Joe Smith wrote:
> I'm uncomfortable with the level of information readily available when 
> an update comes down the pipe. What can be done to improve the situation?
>
> I'm not trying to second-guess the folks who push the updates; I'm 
> amazed at the high quality of the updates, but I would feel a lot 
> better if I had a better idea of what was being installed and why.
>
> Ok, so something tells me there is an update available for gimp. How can
> I review the purpose and scope of the update, preferably before I tell 
> yum to go ahead and install it?
>
There is a way to just download the updates but not really install them ?