See document FEATURES for canonical list of features. From 2.5 to 2.6 ............... o Inline JPEGs are supported. o mailto URLs are supported. o Improved Usenet support, including threaded newsgroup listings and article posting. o Common Client Interface now supports POST to server, SEND BROWSERVIEW and QUIT browser protocol functionality. o PostScript printing and saving optionally includes URL and page number as page header. o Minimal group annotation support. Set the annotationServer resource to the URL of your CGI annotation server. o The URL text field is now editable. Pressing Enter within the text field causes Mosaic to open the displayed URL. o Load to local disk can now be activated on a one-time basis by holding down the shift key while clicking on a hyperlink. o HTTP header Referer now contains a document's parent URL (for hyperlinks that are clicked-on with the mouse pointer, only). NCSA httpd 1.4 can log the Referer field. o HTTP header User-Agent now uses a slightly different format, for consistency with other platforms: User-Agent: NCSA_Mosaic/2.6 (X11; SunOS 4.1.3 sun4m) libwww/2.12 modified o resource *maxNumCCIConnect added to restrict number of cci clients communicating with the browser. o comment card for user survey introduced in this version. o Added additional entity support o On reload, added support for a cache proxy. If resource reloadPragmaNoCache is set, Mosaic will send an additional header notifying proxy not to use cache. o Added support for older NNTP servers. o Code has been Saber tested. From 2.4 to 2.5 ............... o Added Common Client Interface (CCI) support. o Added X resource cciPort and command-line flag -cciPort. o Mosaic creates the file $HOME/.mosaiccciport listing the active CCI hostname and port number in the form host:port. o Added nested hotlists, with Copy, Insert, Up, Save, and Load options. (thanks to Gilles Bourhis). o Hotlists are now stored in HTML as nested unordered lists. o Binaries are now linked with the latest, greatest, HDF (Hierarchical Data Format) library. o Added -kiosk command-line flag and Boolean X resource, kiosk. o Also added -kioskNoExit command-line flag and Boolean X resource kioskNoExit for kiosk mode without the close button. o Added defaultFontChoice X resource. o Added experimental editor hook to File menu. o Added editCommandUseXterm resource. o Added child signal handler. o For security reasons, changed /bin/rm system calls to unlink(). o Added limited HTML table support. o Added support for HTML superscript and subscript tags, allong with supSubFont X resource. o Forms may now have multiple submit buttons by including a NAME attribute in INPUT elements of type SUBMIT. o Fixed comment parsing, so that HTML mark-up can exist inside comments. Comments should begin with o Mosaic no longer displays text inside the section of an HTML document. o Added underline support. o Fixed case-sensitivity forms bug. o Fixed some forms core dumps o More verbose error messages From 2.3 to 2.4 ............... o Fixed really embarassingly dumb bug that made widgets names appear next to toggle buttons on forms. From 2.2 to 2.3 ............... o Fixed security bug in telnet URLs. o Fixed bug with dithered images inverting on some displays. o Fixed bug with non-direct-WAIS clients core dumping on WAIS URLs. o Fixed bug with uninitialized gatewayed for proxy gateways. o Fixed memory overrun in PEM_AUTH code. o Fixed loss of small messages in PEM_AUTH code. o Fixed improper defaults for VerticalScrollOnRight. o Fixed more GIF decoding core dumps. o Fixed mispelling of XtSpecificationRelease in gui.c o Fixed 24bit handling bug that caused some displays to switch red and blue. o Added names to child widgets in forms. o Added autoconfiguration of MOTIF1_2 based on XmVERSION and XmREVISION. o Made dialogs rise to the top when selected a second time. o Added 24bit DirectColor support. o Added 16bit TrueColor support. o Changed dithering to Floyd-Steinberg dithering. o 2 color images go to black & white on monochrome, instead of dithering. o FORM now uses ENCTYPE and ENCENTITY to submit encrypted if PEM_AUTH defined. o New menu under "Options" to always request enrypted if PEM_AUTH defined. From 2.1 to 2.2 ............... o Fixed bug in unrecognized URLs that have whitespace at the beginning. o Fixed bug with transparent color GIF89 images. o Fixed more inlined image parsing code dumps. o Fixed odd extra flashing in documents accessed after form documents. o Fixed socket leak in interrupted I/O. o Fixed bug in whitespace terminated entity '&' escapes. o Added Frans Van Hoesel's latest postscript changes. o Added Frans Van Hoesel's extra font support. o Speedups in GIF decoding, thanks to David Koblas. o Improved handling of monochrome displays. Detect mono without needing the -mono option, and dither inlined images. o Added