| C | ↗ | B | Sequence improved |
| ⇢ | C | functions.php ➔ get_range_start_end() added | |
| ⇢ | A | Sequence::except() added | |
| ⇢ | A | Sequence::set() added | |
| ⇢ | A | Sequence::diffKeys() added | |
| ⇢ | A | Sequence::diff() added | |
| C | ↗ | B | Sequence::__invoke() improved |
| A | ↛ | Sequence::toSeq() removed | |
| A | ↛ | Sequence::toDict() removed | |
| A | ↛ | Sequence::toSet() removed | |
| A | ↛ | Sequence::toMap() removed | |
| A | ↛ | Sequence::toList() removed |