barcodes
- Improve the way data is encoded in DataMatrix barcodes
forms
- Improve handling of empty Signature Form Fields
- Improve robustness with improperly created form fields
- Better support for multiple/different fonts
kernel
- Improve the performance of SmartMode copying (performance boost in merge)
- Avoid resources depletion due to decompression bombs
- Improve the performance when handling multiple PdfDocument instances from a single PdfReader
- Better support for invalid xref tables
pdfa
- Better validation/creation of PDF/A-3 and PDF/A-1b documents
sign
- Improve placement of signatures on rotated pages
svg
- Added support for em values for font-size
- Added support for exponential numbers within SVG properties
- Improve the placement of elements with transformation matrices
- When the font size metric is omitted, px should be assumed
- Inherit CSS styles assigned via class in the
<svg>tag