moodle/lib/form/UPGRADING.md
2024-10-05 15:08:28 +08:00

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# core_form (subsystem) Upgrade notes
## 4.5
### Added
- The `duration` form field type has been modified to validate that the supplied value is a positive value.
Previously it could be any numeric value, but every usage of this field in Moodle was expecting a positive value. When a negative value was provided and accepted, subtle bugs could occur.
Where a negative duration _is_ allowed, the `allownegative` attribute can be set to `true`.
For more information see [MDL-82687](https://tracker.moodle.org/browse/MDL-82687)