Strip TT programs if it's invalid
Merge pull request #2956 from vyv03354/cmap4_fpgm

Add more sanitizations to TT font programs
Fix typo causing destinations using '/FitR' to fail
Merge pull request #3379 from Snuffleupagus/fix-FitR-links

Fix typo causing destinations using '/FitR' to fail
Fix regression from issue 3312
Merge pull request #3384 from Snuffleupagus/regression-3312

Fix regression from issue 3312
Check if the browser supports manipulation of the history
Preserving PDFJS in the generic builds
Merge pull request #3387 from yurydelendik/preserve-pdfjs

Preserving PDFJS in the generic builds
Merge pull request #3385 from Snuffleupagus/history-check-browser-support

Check if the browser supports manipulation of the history