Add commits cc'd to stable, up to 5.6-rc1

...plus their obvious dependencies, and a follow-up fix.
90 files changed
tree: a232fedfa243a7fd6e0881d33717c20f19d58352
  1. config-3.2/
  2. queue-3.16/
  3. releases/
  4. scripts/
  5. .gitignore
  6. upstream-head