The issues you have found earlier (filed as SLIDESJAVA-37652) have been fixed in this update.
PPTX to HTML - Rendering issues related to equations, text overlapping, Sub-script rendering and Image quality
The issue (SLIDESJAVA-37652) fixed is not working for me during conversion.
Can you please observe the shared HTML file as this issue is not arising on our end. Can you please share the source and generated file still reproducing issue on your end.
37652_slides_19.10.zip (5.1 KB)
Kindly find the source file(PPT) and generated HTML file for your reference.
Shruthy. Bsample.zip (47.1 KB)
Can you please confirm if required fonts are available on your machine. Also please share complete environment details with us.
The issues you have found earlier (filed as SLIDESJAVA-37647) have been fixed in this update.