# Dev4Press Library

## Changelog

### Version 5.5.2 - 2026.02.10

* **new**: helper `IP` class uses improved method for IP validation
* **new**: helper `IP` class uses improved method for CIDR validation
* **edit**: improved detection of IP addresses in the `IP` class
* **fix**: some minor issues with IP validation in the `IP` class

### Version 5.5.1 - 2026.02.06

* **edit**: additional tweaks and improvements to the code
* **fix**: small regression issues with inheritance
* **fix**: some minor code formatting issues

### Version 5.5 - 2026.02.04

* **new**: system requirements - `PHP` 8.0 or newer 
* **new**: system requirements - `WordPress` 6.2 or newer
* **new**: many `PHP` related changes and improvements
* **new**: shared code for background `Runner` interface
* **new**: helper `IP` class can validate CIDR ranges
* **new**: additional functions for string manipulation
* **new**: refactoring and core improvements
* **edit**: changes related to WordPress and PHP code standards
* **edit**: improvements to the rendering of various panels
* **edit**: improvements to the settings and options rendering
* **edit**: updates to the plugin code classes
* **edit**: improved styling for the plugin settings panel
* **edit**: updated several icons in the webfont
* **removed**: legacy `License` class and handling code
* **removed**: legacy `Four` class and related code

### Version 5.4 - 2025.05.23

* **new**: additional free flag in the `License`
* **new**: show admin notices when license is not activated
* **new**: updated license validation on save
* **new**: improved weekly license validation

### Version 5.3 - 2025.01.26

* **new**: composer file requirements expanded
* **new**: many PHP related changes and improvements
* **new**: expanded `DBLite` with few new methods
* **edit**: improvements to the frontend `Grid` object
* **edit**: improved styling for the plugin settings panel
* **removed**: built-in cacert.pem
* **removed**: unused balloon stylesheet