Let's have a go at maintaining a stable series with consistent API.

• change in trunk since 0.5.1

Tickets with issues for stable

(reviewed up to #86)

• #81
• #87
• #92
• #94

Direct commits to stable in 0.5.1

• [685]

Commits to trunk which have been merged in 0.5.1

• [647]
• [653]
• [654]
• [661]
• [662]
• [672]
• [678]
• [679]
• [683]

Commits to trunk which are merge candidates for stable

• [675] (but needs fixing - breaks text labels)
• [692], [693] (merge needs conflict fix)
• [698]

(reviewed up to [698])