Below are the build notes for v2018R1 Fix Branch / Minor Releases for Qoppa’s PDF Library jPDFWeb.
Version v2018R1.04 – April 22 2019
JSVG-180 – Fix font issue: StackOverflowError at java.nio.HeapByteBuffer due to a glyph definition referencing itself
Version v2018R1.03 – April 18 2019
JSVG-179 – Strip out invalid Unicode characters fffe, ffff when converting PDF to SVG / HTML5
Version v2018R1.02 – April 08 2019
JPDF-1368 – Document Specific: Incorrect to Unicode mapping for a Chinese character
Version v2018R1.01 – January 11 2019
JSVG-178 – Add support for transparency group FormXObjects when converting PDF to SVG to resolve an issue with transparency and compositing.
Version v2018R1.00 – August 03 2018
Original release, see Release Notes for v2018R1