| D | ↗ | C | EE_Datetime_Field improved |
| ⇢ | B | EEH_DTT_Helper::get_timezone_transitions() added | |
| ⇢ | A | EEH_DTT_Helper::get_timezone_offset() added | |
| A | ↘ | B | EE_Admin::get_persistent_admin_notices() got worse |
| B | ↗ | A | EE_Admin::display_admin_notices() improved |
| B | ↗ | A | EE_Datetime_Field::get_timezone_transitions() improved |
| B | ↘ | D | EEH_DTT_Helper::get_timezone_string_from_abbreviat... got worse |
| A | ↘ | D | EEH_DTT_Helper::get_timezone_string_from_gmt_offse... got worse |