update changelog

Author: michalschroeder

docs/changes/1.x/1.4.0.md

@@ -31,13 +31,15 @@
 - Writer HTML: Fixed null string for Text Elements by [@armagedon007](https://github.com/armagedon007) and [@Progi1984](https://github.com/Progi1984) in [#2738](https://github.com/PHPOffice/PHPWord/pull/2738)
 - Template Processor: Fix 0 considered as empty string by [@cavasinf](https://github.com/cavasinf), [@SnipsMine](https://github.com/SnipsMine) and [@Progi1984](https://github.com/Progi1984) fixing [#2572](https://github.com/PHPOffice/PHPWord/issues/2572), [#2703](https://github.com/PHPOffice/PHPWord/issues/2703) in [#2748](https://github.com/PHPOffice/PHPWord/pull/2748)
 - Word2007 Writer : Corrected generating TOC to fix page number missing issues [@jgiacomello](https://github.com/jgiacomello) in [#2556](https://github.com/PHPOffice/PHPWord/pull/2556)
+- Enhanced error handling in encoding functions [@michalschroeder](https://github.com/michalschroeder) in [#2784](https://github.com/PHPOffice/PHPWord/pull/2784)
 
 ### Miscellaneous
 
 - Bump dompdf/dompdf from 2.0.4 to 3.0.0 by [@dependabot](https://github.com/dependabot) fixing [#2621](https://github.com/PHPOffice/PHPWord/issues/2621) in [#2666](https://github.com/PHPOffice/PHPWord/pull/2666)
 - Add test case to make sure vMerge defaults to 'continue' by [@SpraxDev](https://github.com/SpraxDev) in [#2677](https://github.com/PHPOffice/PHPWord/pull/2677)
 - Adding the possibility to use iterate search and replace with setValues by [@moghwan](https://github.com/moghwan) in [#2632](https://github.com/PHPOffice/PHPWord/pull/2640)
 - Add test cases that test the ODTText and Word2007 reader using the corresponding writer, increasing test coverage by [@MichaelPFrey](https://github.com/MichaelPFrey) in [#2745](https://github.com/PHPOffice/PHPWord/pull/2745)
+- Updated TOCTest to use static HTML content instead of external resource [@michalschroeder](https://github.com/michalschroeder) in [#2784](https://github.com/PHPOffice/PHPWord/pull/2784)
 
 ### Deprecations
 - Deprecate `PhpOffice\PhpWord\Style\Paragraph::getIndent()` : Use `PhpOffice\PhpWord\Style\Paragraph::getIndentLeft()`