for future major version bump with compatibility.
We had multiple adobe-flash-plugin versions in the past because
newer 11.x versions didn't work on older (4.x) NetBSD systems.
However I guess Adobe will not put aggressive changes that require
newer Linux kernel version (i.e. emul.linux.kern.osrelease on NetBSD)
in future periodical major updates, as per their announcements:
https://blogs.adobe.com/flashplayer/2016/08/beta-news-flash-player-npapi-for-linux.html
> Because this change is primarily a security initiative, some features
> (like GPU 3D acceleration and premium video DRM) will not be fully
> implemented.
No objection on pkgsrc-users@:
http://mail-index.netbsd.org/pkgsrc-users/2017/03/14/msg024523.html
Also ok'ed by gdt@ in private mail.
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NPAPI Adobe Flash player plugin for the Firefox browser.
This package contains a plugin that enables web browsers to render
the Flash format.
The nspluginwrapper option (enabled by default on non Linux platforms)
permits the use of the the Linux x86 and x86_64 flash player in Firefox
browsers on other x86 systems and x86_64 systems.
For NetBSD this package requires NetBSD 6.2 or 7.1 (and later versions)
which include procfs fixes for Linux binaries.