Stamp 11.2. 

Stamp 10.7. 

Stamp 9.6.12. 

Stamp 9.5.16. 

Stamp 9.4.21. 

Last-minute updates for release notes. Add entries for v11 changes that went in post-stamping, but before the final wrap.

Stamp 10.6. 

Stamp 9.6.11. 

Stamp 9.5.15. 

Stamp 9.4.20.