6.0.0
refactor(box): remove Bluebird.asCallback (#4379)
chore(deps): bump js-yaml from 3.14.1 to 4.0.0 (#4607)
perf(injector): shorthand optimization (#4462)
refactor(test-generators-page): arrow function (#3956)
feat(open_graph): different URLs for og:image and twitter:image (#4748)
fix(#4780): empty tag name correction (#4786)
chore: use example.com for example domain (#4512)
fix(processor): remove race condition failsafe (#4791)
refactor(nunjucks): dedicated nunjucks renderer (#4356)
revert(#4401): "test: replace sinon#assert" (#4404)