From: Cali Wildman <caliwildman2004-info@...>
Date: 2009-05-06T03:02:18+09:00
Subject: Re: Should I upgrade Ruby from 1.8.5 to 1.8.7?

So it seems like there are enough chatter on various blogs, etc that 
raises some 1.8.7 incompatibility concerns, here's a specific example on 
Rails Forum
http://railsforum.com/viewtopic.php?pid=96484#p96484

Quote: "I wanted to create a hash from an array, so I used: 
Hash[my_array] in 1.8.7, which has to be rewritten to Hash[*my_array] in 
1.8.6"

Also, it seems like Engineyard has committed to maintain 1.8.6 branch 
for the same concern,
http://www.h-online.com/open/Ruby-1-8-6-going-to-the-Engineyard--/news/112685

While I agree that this might not be unique regarding incompatible 
upgrades singling out 1.8.7, it does appear there is momentum in the dev 
community to stick with 1.8.6 until 1.9 is released. As such, if most 
developers use 1.8.6, then there is better overall support for issues, 
etc.

Long story short, it seems like 1.8.6 is the way to go for now.
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