- Font anti-aliasing is now enabled by default
- Improved font support, especially for Chinese, Japanese, and Korean
- Support for Xft 1 and Xft 2
- Opera 6.1 for Linux now also uses Qt 3's libraries, further helping with
issues like font and copy/paste support.
- Java support without using a plug-in (JNI)
- Improved plug-in management and error handling
- Improved bookmark handling
- Improved skin support. Both internal opera skins and KDE3 styles.
- Panning support (anchored mouse scrolling)
- several bugfixes
- Applied OpenSSL ASN.1 patch
- New Certum CA root certificate and updated old roots
- Fixed problem with untrusted HTML content being inserted into
Directory listings (buffer overrun)