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    The discussion of SIP was really well done. No more running dtrace on iTunes, I guess.

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      Well not without disabling SIP if that is what you’re looking to do.

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      Drop in battery life seems like a notable regression. Wasn’t a previous release all about improving battery by idling better?

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        Could use a software tag.

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          c.f: http://arstechnica.com/apple/2015/09/os-x-10-11-el-capitan-the-ars-technica-review/8/ :

          File- and block-level protections

          The file and directory protections are the part of SIP that users are most likely to actually encounter. To start with, SIP drops an impenetrable curtain around the following four locations:

          /System
          /bin
          /usr
          /sbin
          

          Any attempts to write to those locations will be denied, …

          Does this mean that homebrew will not work, and should change to use /opt/ instead? Or is /usr/local excluded? A few minutes poking around in their issue tracker shows a slew of issues tagged 10.11, but I don’t know whether this is more or less than for any other major release.

          I saw the advice to install brew in /opt/ the other day (although cannot now find where) so apparently it mostly works already. I think I’d rather do this that disable SIP, which sounds like a good thing.

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            A later section of the article says:

            Instead of allowing developers to put files wherever they want, El Cap offers four canonical safe locations for applications, support files, and drivers:

            • /Library
            • ~/Library
            • /usr/local
            • /Applications

            The local or system library directories are the preferred stand-in for /System, and /usr/local is the preferred stand-in for /usr, /bin , and /sbin. However, Apple strongly recommends that developers use /Applications for everything if possible, since that keeps all of an app’s files in a single location for ease of uninstallation.

            So, sounds like Homebrew is fine. I’ve not tried it myself, though.

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              Aw, crap, I didn’t get that far yet :-) I should read the whole article before commenting, but it’s soo looong that I’d likely forget what I was going to say before I got to the end!

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              I always put it into /homebrew anyway. I like being able to treat it as an autarkical unit and turn it on and off without monkeying with whatever other crapola was dumped into /usr/local.

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                any advantages of doing that?

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                  Isolation would be the main advantage; everything in /homebrew is homebrew installed, whereas everyone and their mother install things to /usr/local. I have a /opt/homebrew just because I like keeping top level folders clean.

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                    You can guarantee that anything you install is homebrew only; if you let it swim in the local pool, you lose that guarantee.

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                Flagged. Please don’t post product reviews.

                EDIT: What’s with the two troll downvotes? We don’t need to have lobsters cluttered up with slightly-technical organic advertising and reviews every time Android/OSX/Windows/whatever pushes an update. Leave that shit on Hacker News.

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                  I think it’s a good place to hang a comment thread. Are we not allowed to discuss such topics either? A discussion of a new OS X release seems squarely on topic, but how can we discuss them without a post?

                  There’s a new OS X release once a year. That’s like 0.05% of lobsters posts. Summing up all of Windows, iOS, android, etc. that’s still less than 1%. We can handle it.

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                    @angersock is just grumpy. I’m fine with this type of post (as long as it’s not on a spammy site), and the Android one yesterday. There is information relevant to developers in them, and this is a “technology-focused” site, after all.

                    If people don’t care about Android or Mac OS X, there are tag filters for them.

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                      Grumpiness should not be a reason for flagging. I’m very opposed to a lot of people driving their agenda of what is “technology news” and what not here through these mechanisms while the platform has elaborate mechanisms for tagging and weighting on those tags.

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                        Alright, alright, I’ll relent. :)

                        Is there some way we can get a tag for this, like “release news” or “review” or something similar to make filtering it away easier? To me it kinda falls under the discussion of to what degree we want current events on here.

                        As usual, a tag would make me less grumpy.

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                      Given the impact of this product on many people - users and software developers for this platform alike, this is very important. Especially as Arstechnicas OS Reviews are know for being extremely thorough and detailed.

                      Also, changes like SIP are very important developments that should be kept track of.