On: Apple Plans to Use Its Own Chips in Macs from 2020, Replacing Intel

[Tsiklon]

GPLv3 appears to be the reason for shipping that ancient version of bash.

If you look Apple ship a modern version of ZSH with their OS, I believe because it isn’t affected by the same potential licensing issues.

[mkesper → Tsiklon]

But why? That doesn't seem like a rational choice by Apple.

[ascagnel_ → mkesper]

Apple wants to use open source code, but doesn't want to make their proprietary code open or to license patents to anyone who wants to build off of their code.