I haven't upgraded since 0.7.47 since there have been no improvements or bug fixes that are of benefit to me (this is not to say that there haven't been any beneficial improvements or bug fixes). What I do is check the change log to see if there is anything of interest to me, then wait a few days to make sure there are no bug reports before downloading and installing. I always save the download, install it, then keep it in case I need to revert to that version at a later date (I've reverted only once).
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