Michael Tsai on Twitter: "@danielpunkass I think there was also a difference simply when accessing lots of files, though I don't recall the specifics at the moment."

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Daniel Jalkut ‏@danielpunkass 14 May 2014

Having done an awful lot of sandboxing work myself, I will now opt in whenever possible. It’s a great safety net against catastrophic error.
1 retweet 1 like
Michael Tsai ‏@mjtsai 14 May 2014

@danielpunkass I agree that safety net makes sense in theory, but have you ever actually seen a case where it would have helped?
Daniel Jalkut ‏@danielpunkass 14 May 2014

@mjtsai I’ve come close to shipping code a few times that would have caused data loss outside the domain of my data.
Michael Tsai ‏@mjtsai 14 May 2014

@danielpunkass OK then. I don't recall ever seeing that with my apps or others, except for the notorious Apple installer that hated spaces.
Daniel Jalkut ‏@danielpunkass 14 May 2014

@mjtsai But think of it as a kind of evolution along the spectrum that led us to protected memory…
Michael Tsai ‏@mjtsai 14 May 2014

@danielpunkass Like I said, it sounds good. But the current implementation is full of bugs and limitations, plus performance penalties.
Daniel Jalkut ‏@danielpunkass 14 May 2014

@mjtsai (Though the performance penalties - I assume you’re alluding to e.g. XPC use? - don’t affect trivially sandboxable apps.)

‏@mjtsai

@danielpunkass I think there was also a difference simply when accessing lots of files, though I don't recall the specifics at the moment.

1:55 PM - 14 May 2014

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