-!Important Changes in LyX 2.2.0
-
-(: This file lists interface changes that might affect users in 2.2.0, some
- known problems in LyX 2.2.0 and some things you have to take into account
- when upgrading from earlier versions to a version of the 2.2.x series. :)
+!Important Changes in LyX 2.4.0
!!Interface changes
-* The --Separator-- layout has been removed in favor of an environment
- separator inset. There is no provision for inserting this inset from
- the GUI (though some menu entries use it) as it is automatically inserted
- when needed. See Section 3.4.6 of the User Guide for details.
-
-* The prefix for subsections in labels and references has been changed from
- "sub:" to "subsec:" in order to avoid a clash with subfloats (conflicting
- \subref command, see bug #7550). Files are automatically converted to the new
- scheme. Please assure that you adapt external refstyle or prettyref definitions
- and your own layout files.
-
-* Support for printing from within LyX (File> Print) has been removed. LyX's
- printing support was very limited, and most users will want to print after
- reviewing an output document (e.g., a PDF), anyway, which can be done from the
- PDF viewer.
- Users who would like to restore this functionality can create a "printer"
- format from within LyX and then define, say, a pdf->printer converter that does
- nothing but call lpd, or a2ps, or whatever. The "printer" will then be available
- as an export option.
+* It is now possible to cancel background export processes. A menu entry
+ to do so will appear on the Document menu when such a process is underway.
+ The LFUN for this is export-cancel. One can also click on the 'spinner'
+ to cancel export.
+
+* The items on the Edit menu have been reordered, and many of the shortcuts
+ have been changed so that they are more intuitive in the case of often
+ used items. We understand that this may frustrate some users and apologize,
+ while noting that menu shortcuts can always be customized by copying the
+ stdmenus.inc file to the user directory and editing it.
+
+* Backspace will now merge paragraphs even when they have different layouts.
+
+* Ctrl-click on a cross-reference will now take you to its label.
+
+
+!!Documents compilation process and images conversion
+
+* LyX now uses utf8 encoding per default for all languages. This does
+ not affect existing documents. Note that LyX also does not touch
+ personal defaults and templates. That is to say, if you still see
+ traditional encoding preset for new documents, you can change that
+ by selecting "Unicode (utf8) [default]" and hitting "Save as
+ Documents Defaults" afterwards. Your personal templates need to be
+ changed manually if desired.
+
+* LyX defaults to the "HE8" LaTeX font encoding with Hebrew if the
+ "Culmus" LaTeX fonts are installed.
+
+* Documents that use TeX fonts can only be compiled with XeTeX if the input
+ encoding is set to "utf8-plain" or "ascii".
+* DocBook support has been revamped and now targets DocBook 5 (i.e.
+ only XML, SGML is gone). Some supporting files for the previous
+ implementation have been removed: all examples (lib/examples),
+ some layouts (existing documents should still work, but with a
+ DocBook 5 output instead of DocBook 4 SGML). The dependency on
+ sgmltools has been removed, this new support is always enabled.
+ Having sgmltools installed or not will not change anything in LyX.
+
+!!!The following pref variables were added in 2.4:
+
+* \ct_additions_underlined true|false: determines whether additions in change tracking
+ are underlined in the workarea (default: true).
+
+* \ct_markup_copied true|false: determines whether change tracking markup should be
+ preserved on copy/paste (default: false).
+
+* \citation_search_view lyxpaperview: determines whether external script "lyxpaperview"
+ should be used for looking up citation source.
+
+
+!!!The following pref variables were changed in 2.4:
+
+
+
+!!!The following pref variables are obsoleted in 2.4:
+
+* \font_encoding
+ The font encoding is now automatically set depending on the document
+ fonts and languages.
+
+* \use_qimage
+ This is no longer necessary due to the rewrite of the painter.
+
+* \use_pixmap_cacheqimage
+ There is no evidence that this painting mode was useful anymore.
+
+* \date_insert_format
+ The function date-insert has been removed and superseded by info-insert date.
+ The latter does not need a pref value anymore.
+
+
+!!!The following new LyX functions have been introduced in 2.4:
+
+* bidi is a helper function to implement icons that are different between LTR and RTL text.
+
+* buffer-reset-export advises LyX to remove the auxiliary files before doing the next
+ export.
+
+* buffer-write-as-template is a new convenience function to ease saving a document
+ in the (personal) templates folder.
+
+* export-cancel: Used to cancel background export processes.
+
+* ifrelatives is a helper function to check whether a buffer has a master or children.
+
+* master-buffer-forall executes an lfun in the master and all children of a document.
+
+* paragraph-select is a new convenience function to select the paragraph
+ surrounding the actual cursor position.
+
+* inset-split is a new convenience function that splits an inset into two at the given
+ cursor position. This is only implemented for text insets currently.
+
+* tabular-style-insert: Insert a table in a specified style.
+
-!!!The following pref variables were added in 2.2:
+!!!The following LyX functions have been changed in 2.4:
-* \save_origin
- This variable was introduced to allow saving the document directory
- path in the document. If allowed, LyX will be able to locate all
- included files even when the document is manually moved/copied to
- a different location. If a valid \origin tag is present and the
- document was actually moved, the path of all included files is
- updated relative to the new location and the new origin will be
- recorded when saving again the document.
+* set-graphics-group was renamed to graphics-set-group.
-!!!The following pref variables were changed in 2.2:
+* info-insert buffer vcs-*: renamed to info-insert vcs *
+* file-insert: optional second parameter "ignorelang" to make the insertion
+ ignore the inserted file's main language (and rather adapt it to the insertion
+ context's language).
-!!!The following pref variables are obsoleted in 2.2:
+!!!The following LyX functions have been removed in 2.4:
-* \rtl
- This variable was introduced to guard against any bad consequence of
- the then-new right-to-left languages support. It is no longer needed
- because of improvements. Now right-to-left support is always enabled.
+* date-insert: obsoleted by info-insert date.
-* \printer
-* \print_adapt_output
-* \print_command
-* \print_evenpage_flag
-* \print_oddpage_flag
-* \print_pagerange_flag
-* \print_copies_flag
-* \print_collcopies_flag
-* \print_reverse_flag
-* \print_to_printer
-* \print_to_file
-* \print_file_extension:
- These were used for print support, which has been removed.
+!!!The following LyX function has been added and then removed in 2.4 development cycle.
+* bidi: used as a first solution to provide icons that change
+ direction with language.
-!!!The following new LyX functions have been introduced in 2.2:
-* buffer-view-cache
- Opens the last previewed output of the buffer, if it exists.
+!!!The following LyX documents have been moved in 2.4:
-* buffer-move-next
- Moves the current tab one spot to the right.
+* As a result of a major restructuring of the templates and example
+ directories, almost all examples and templates files have been renamed and
+ moved to subfolders that reflect the layout category.
+ The files now have much more decriptive (and longer) names, and they use
+ URL encoding for specific special characters such as '(', ')' and '&'.
+ Notably also the file that opens for new users has been renamed (from
+ splash.lyx to Welcome.lyx).
-* buffer-move-previous
- Moves the current tab one spot to the left.
+!!!The following new folders have been added to the LyX directory
-!!!The following LyX functions have been changed in 2.2:
+* The examples and templates directories have been completely re-organized.
+ They are now much more structured (by means of layout categories) and thus
+ consist of many new subfolders.
-!!!The following LyX key bindings have been changed in 2.2:
+!!!The following preferences files have been removed from the tarball in 2.4:
-* For bindings where Control + {PgDn, PgUp} switches to the
- {next, previous} tab, Control + Shift + {PgDn, PgUp} moves the current
- tab to the {next, previous} tab.
-!!!The following LyX documents have been moved in 2.2:
+!!!The following metadata files have been added to the tarball in 2.4:
-!!!The following metadata files have been added to the tarball in 2.2:
+!!Changes with respect to external programs and libraries in 2.4:
+* The Qt5 libraries are now used by default. In order to link against
+ Qt4 the configure option --disable-qt5 has to be used.
+* The dependency on pplatex/dvipost was dropped.
-!!Changes with respect to external programs and libraries in 2.2:
+* The dependency on sgmltools was dropped, see DocBook 5 section.
-* LyX is not yet supposed to work with Qt5. It is advised to compile and
- run LyX against Qt 4.8.x. On Windows Qt 4.8.6 or newer is advised.
-* LyX now gives an error if the underlying LaTeX command exited with error.
+!!Known issues in version 2.4.0
-* With LuaTeX, LyX now uses polyglossia instead of babel if the language
- package option "Automatic" is selected. In order to use babel, select
- "Always babel" instead.
+* See http://www.lyx.org/trac/wiki/BugTrackerHome
-!!Known issues in version 2.2.0
+!!Caveats when upgrading from earlier versions to 2.4.x
-* LyX needs to be run under Python 2 and will not work properly on systems
- where Python 3 is the default binary. See bug #7030 to know how to fix
- this properly, since simple sheebang conversion in *.py files will not
- be enough.
+* Autotools monolithic build option for building LyX binaries was removed,
+ for compilation speedup use parallel building on multiple cores instead.
+* Several ttf fonts (esint10.ttf, stmary10.ttf, wasy10.ttf) were changed
+ to reflect the fact that newer Qt libraries do not support displaying certain
+ codepoints anymore (bug #8493, #10161).
+ Distribution packagers need to repack those font files in case they are
+ delivering the fonts as a separated package dependent from core LyX
+ in order to display correctly math symbols like \oint.
-!!Caveats when upgrading from earlier versions to 2.2.x
+ Also note, that while it is still possible to compile LyX against Qt 4
+ these math symbols will not be displayed correctly anymore on Qt 4.
-* BibTeX errors are now processed and cause LyX to show the errors dialog.
- Before, these errors were ignored, which means that it may happen that
- documents that compiled without error with a previous version now
- compile with error. However, because now in 2.2.x users can click on
- the "Show Output Anyway" button, the document can still be viewed.
+!! If upgrading from a LyX version before 2.3.0
+* Please additionally see the release notes from the versions in-between:
+ https://wiki.lyx.org/LyX/ReleaseNotes