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8 months agoI don’t think the ffmpeg maintainer is complaining that Microsoft is using ffmpeg, rather that they are opening “high priority” bug reports based on customer complaints. This might be a high priority problem for Microsoft but that does not make it so for ffmpeg.
The license allows Microsoft to use ffmpeg but they aren’t entitled to demand free labor from the project. Really, no one is entitled to do so, but Microsoft being a large company who can definitely afford to put money or talent on the problem makes it only that much more egregious.
edit: I would note that asking for help or reporting a bug is usually welcome, the problematic part is demanding help because it’s a high priority issue for YOUR customers.
The standard GPL permission statement explicitly clarifies that the license is “as published by the Free Software Foundation” so any later version of the license has to come from the FSF.
The reason for the “or later” clause is to allow the FSF to update the GPL in response to flaws that are discovered. The “or later” clause is controversial because it effectively allows the FSF to change the licensing terms of any software licensed under such a clause, and so some developers who don’t trust the FSF with this authority omit this clause. Famously, Linux is licensed only under GPLv2 with no or-later option (Linus has been a vocal opponent of GPLv3)