Release v1.15.1

Release v1.15.0

Release v1.14.0

Release v1.13.1

Release v1.13.0

Release v1.12.0

Release v1.11.1

Release v1.11.0

Prepare for release (#324)

New version → v1.10.0 (new features warrant a minor bump). This release
has a bunch of bug fixes too

Prepare for v1.9.0 release (#285)

Prepare for v1.9.0 release