The main point of these releases is to migrate FontBox 3 (from v2). To make this possible we were waiting for FOP 2.11 (released this week) which is used for PDF generation via export-fo.
With FontBox 3 support in place, -ImportXHTML now uses the actively maintained https://github.com/openhtmltopdf/openhtmltopdf
Added also in docx4j is an option to use StAX for OpenDoPE processing, and some miscellaneous bug fixes.
For instructions on getting docx4j 11.5.3, see https://www.docx4java.org/downloads.html
For ImportXHTML:
Using xml Syntax Highlighting
<dependency>
<groupId>org.docx4j</groupId>
<artifactId>docx4j-ImportXHTML-core</artifactId>
<version>11.5.3</version>
</dependency>
<groupId>org.docx4j</groupId>
<artifactId>docx4j-ImportXHTML-core</artifactId>
<version>11.5.3</version>
</dependency>
Parsed in 0.001 seconds, using GeSHi 1.0.8.4
or the zip file from https://www.docx4java.org/downloads.html