ISO PDF spec is getting Brotli – ~20 % smaller documents with no quality loss
Summary
The article explains that Brotli will be added to the PDF specification, delivering 15-25% smaller PDFs with zero quality loss. It covers decoding via a pure-Java Brotli decoder embedded in the kernel and encoding via a separate module that uses JNI to access Google's encoder, plus the rationale for keeping encoding optional. It also discusses compatibility limitations today and the standardization path with the PDF Association.