| D | ↘ | F | Sequence got worse |
| ⇢ | A | Sequence::getUnions() added | |
| ⇢ | A | Period::starts() added | |
| ⇢ | A | Period::isStartDateExcluded() added | |
| ⇢ | A | Period::isStartDateIncluded() added | |
| ⇢ | A | Period::borderOnEnd() added | |
| ⇢ | A | Period::borderOnStart() added | |
| ⇢ | A | Period::withBoundaryType() added | |
| ⇢ | A | Period::isDuring() added | |
| ⇢ | A | Period::isEndDateExcluded() added | |
| ⇢ | A | Period::isEndDateIncluded() added | |
| ⋮ | view more | ||
| A | ↘ | B | Period::diff() got worse |
| A | ↘ | B | Period::containsDatepoint() got worse |
| A | ↘ | C | Period::containsInterval() got worse |