1. Fix the garbled problem of rendering embedded text font and the issue of print losing.
2. Repair an issue that the module of document optimization compression would generate incorrect bold text effects.
3. Fix a mismatch between the input character and the actual input character in the special file.
4. Solve the problem of random crash when clipping the pages.
5. Fix the crash issue when adding headers and footers.
6. Solve the inaccurate problem of form calculation when the European standard decimal point and thousandth place style character displayed.
7. Optimize the problem that the effect of compressing documents is not obvious.
8. Improved the product performance and fixed some certain crashes.