For clarity, moving the what's new and changelog from the Open Motif 2.3.3 release notes [1] since openmotif 2.2.3-4 in Lucid from the bug description.

[1] http://motif.ics.com/open-motif-233-release-notes

2. What is New in Open Motif 2.3.3

This is a bug fix release.

* Fixed bug #1507 (LDFLAGS not respected for building libXm and libMrm libraries)
* Fixed bug #1495 (mwm's icon box has graphics corruption)
* Fixed bug #1502 (crash in ToolTipGetData())
* Fixed bug #1474 (Incrementation of XmNvisibleItemCount value does not work
properly in XmComboBox)
* Fixed bug #1195 (Making on FreeBSD with non GNU make)
* Fixed bug #1489 (Paned.h is not included by XmAll.h)
* Fixed bug #1486 (Tooltip in DropDown widget makes X hang up)
* Fixed bug #1320 (Resizing a scrolled text widget can be very, very slow)
* Fixed bug #1449 (Uninitalised memory access with XFT fonts)
* Fixed bug #1418 (Add file with instructions how to build from CVS)
* Fixed bug #1484 (Warning on XmRlabelType when I put a pixmap
and a value "top" on XmNPixmapPlacement)
* Fixed bug #1475 (autoconf warning "X11/Xmu/Editres.h header present
but cannot be compiled")
* Fixed bug #1426 (Make location of system.mwmrc configurable)
* Fixed bug #1451 (XmStringDrawImage works incorrectly with XFT)
* Fixed bug #1453 (MultiList not displayed properly)
* Fixed bug #1412 (An insensitive popup menu parent lead to a display-freezing)
* Fixed bug #345 (Openmotif accelerators XmNaccelerator do not work
with CapsLock/ScrollLock/NumLock modifiers)
* Fixed bug #1299 (XmForm erroneously finds "Circular dependency"
if widgets are inter-attachmed in vertical/horizontal directions)
* Refixed bug #1381 (Sensitivity invisible with antialiased fonts)
* Refixed bug #1388 (SEGV error moving mouse over window related
to XmToolTipGetLabel)
* Refixed bug #1321 (Pasting into XmTextField is unreliable)
* Removed xmPanedWindowWidgetClass definition from Paned.h
* Dropped fix #1476 (PanedWindow orientation error)
* Added ability to build without libXp
* Added splint checking and splint target

...

7. Change Log

2.3.3 March 2010
This Release

2.3.2 March 2009
* Fixed bug #1473 (When we set XmNvisibleItemCount resource available in
XmComboBox, the widget displays the wrong number of items)
* Added missing 'O' character to UTF8_SUPPORTED macro
* Fixed bug #1476 (PanedWindow orientation error)
* Fixed bug #1277 (paned widget does not work under Fedora Core 2
with openmotif 2.2.3-4.1)
* Fixed bug #1212 (XmDropSiteRetrieve frees XRectangles before
caller can use them)
* Fixed in order to allow build out of source tree
* Added wml_DEPENDENCIES in tools/wml/Makefile.am
* Added ACLOCAL_AMFLAGS in Makefile.am

2.3.1 September 2008
* Added ${prefix}/share/Xm as possible prefix for demos binaries installation
* Fixed bug #1443 (Build failure on FreeBSD: undefined reference to
`libiconv_open')
* Fixed bug #1427 (_xrm '*.iconPixmap:SDtErrors.l' produces bogus
error messages)
* Refixed bug #1381 (Sensitivity invisible with antialiased fonts)
* Fixed bug #1359 (File dialog filter problem with * or [ in directory)
* Fixed bug #1446 (Arrow button in DropDown widget issue.)
* Fixed bug #1328 (Desktop hang: motif application in XGrabPointer)
* Fixed bug #1425 (Resetting entryParent causes crash)
* Fixed bug #1439 (warnings during compilation in TabBox.c)
* Fixed bug #1420 (DataF.c holds message strings.)
* Fixed bug #1419 (Bindings of DataField defined in DataF.c instead
of TranslNew.c)
* Fixed bug #1431 (openmotif 2.3 and xorg 7.1.0 64bit problems)
* Fixed bug #1432 (XmContainer incorrect GC allocation)
* Fixed bug #1250 (XmCombo glyph is unexpectedly shifted
when setting XmNvisibleItemCount)
* Fixed bug #1401 (Specifying state pixmaps in Container causes crash)
* Refixed bug #1442 (Crash on Drag'n'Drop)
* Fixed bug #1445 (PopupShell is closing on MouseWheel)
* Refixed bug #1371 (XmComboBox problem on FC6)
* Fixed bug #1438 (Missing XSetErrorHandler call in XmXftDrawCreate)
* Fixed bug #1444 (Function _XmXftDrawCreate() does not work correct
with the pixmap)
* Fixed bug #1434 (single character utf8 sting is not displayed)
* Fixed bug #1442 (Crash on Drag'n'Drop)
* Fixed bug #1436 (Definition of GetSameRenditions in XmRenderT.c
needs USE_XFT conditional)
* Fixed bug #1400 (Corrupted per-display font cache)
* Fixed bug #1440 (Tags array size in Label widget is not enough)
* Fixed bug #1429 (Build failure with libtool-2.2.4)

2.3.1 Beta 1 May 2008
* Fixed bug #1410 (setting XmNisHomogeneous to True without setting
XmNentryClass causes sigfault)
* Fixed bug #1402 (Toggle button circular buttons can not mimic modern look)
* Fixed bug #1415 (XFT width calculation problem)
* Fixed bug #1362 (Repeated calls to XmListReplaceItemsPos
cause Error: Cannot perform malloc when using Extended_Select)
* Fixed bug #1365 (Top pixel of German character I with top '^' leaves trails)
* Fixed bug #1414 (XFT support slowness)
* Fixed bug #1351 (Bad dynamic propagation of the sensitive state
to popup menus)
* Fixed bug #1409 (XmTextField sometimes crashes if a string is set
by XtSetValues when XmNmodifyVerifyCallback is set (Only in multibyte locale))
* Fixed bug #1398 (newline not supported in UTF-8 mode)
* Fixed bug #1406 (Insensitive icon on XmPushButton black instead of grayed out)
* Fixed bug #1396 (ScrollBar warning when XmNotebook resized)
* Refixed bug #1388 (SEGV error moving mouse over window
related to XmToolTipGetLabel).
* Fixed bug #1405 (Menus too short if PIXMAP_AND_STRING is used in PushButtons)
* Fixed bug #1404 (PIXMAP_AND_STRING causes crash
in XmPushButtton in OptionMenu)
* Fixed incorrect parenthesis in if statement
* Fixed bug #1371 (XmComboBox problem on FC6)
* Fixed bug #1296 (Drag-and-drop behaves incorrectly
if XtSetLanguageProc() is present)
* Fixed bug #1399 (cut and copy don't work in XmText widget)
* Added /usr as possible prefix for toolkit installation
* Fixed bug #1395 (Wrong label foreground for etched in menus)
* Fixed bug #1392 (The label widgets can have their core class
translations changed).
* Fixed bug #1337 (XmPushButton's ArmAndActivate() has incorrect callback call).
* Fixed bug #1384 (Use of freed storage in XmContainer).
* Fixed bug #1209 (XmTextPaste crashes using XmTextField).
* Fixed bug #1367 (XmText autoShowCursorPosition is not always honoured
when selected text is deleted).
* Fixed bug #1140 (Functions do not check _XmGetWidgetExtData() result).
* Fixed bug #1383 (missing semi-colon at end of sentense).
* Fixed bug #1390 (out of range in array read in ReplaceItem).
* Fixed bug #1388 (SEGV error moving mouse over window related
to XmToolTipGetLabel).
* Fixed bug #1387 (Scale Widget draws value text not centered to slider)
* Fixed bug #1381 (Sensitivity invisible with antialiased fonts)
* Fixed bug #1389 (A middle click on a tab lets nedit segfault)
* Fixed bug #1377 (XmText memory leak in InitializeHook)
* Fixed bug #1385 (core.self of XmMultiList is NULL, but must be
pointer itself.)
* Fixed bug #1380 (Can not set title bar in 2.3)

2.3.0 Beta 2 January 2006
* Fixed vulnerabilities in the libXpm code [CAN-2004-0914
(multiple vulnerabilities) and CAN-2005-0605 (buffer overflow)]
* Got rid of the obsolete tmpnam() call in imake
* Fixed bug #1315 (Division by zero in List widget)
* Fixed bug #1314 (Buffer overflow in MrmItop.c on 64-bit systems)
* Fixed bug #1313 (getsubres.c has fallback resources defined that
aren't terminated with NULL)
* Fixed bug #1304 (Buffer overflow in MrmOpenHierarchy...())
* Fixed bug #1297 (Insensitive XmPIXMAP XmPushButtons are stippled
with the wrong color)
* Fixed bug #1294 (XmFileSelectionBox's XmNdirSpec resource misbehaves
when pathMode is PATH_MODE_RELATIVE)

2.3.0 Beta 1 November 2005
* #1121 (TabBox translation error)
* Removed locking of the clipboard from XmClipboardRetrieveStart()
* #1283 (TabBox translation error)
* #1249 (XmCombo crashes program when resized)
* #1286 (XmDataField error with XmALIGNMENT_END)
* #1211 (Crash on setting XmNlabelPixmap in a ToggleButtonGadget)
* #1264 (Crash in PutDSToStream due to bug in _XmResizeHashTable)
* #1276 (Changing AddMode in XmList selects/deselects items without callback)
* #1196 (Free memory read in XmIm.c/draw_separator())
* #1193 (MWM crashes when restarting by a session manager)
* #1202 (MWM crashes when duplicating a window menu containing f.circle_up)
* #1186 (Invalid replacing XmList selected items)
* #1214 (Cannot set a string to XmTextField with XtSetValues when
XmNmodifyVerifyCallback is set)
* #1279 (XmTextGetSelectionPosition returns incorrect values after
deleting selection)
* #1269 (Popup menus fail on Tarantella/VNC)
* #1262 (Entering Esc key before pulldown menu realized crashes)
* #1268 (XmCvtXmStringToCT improperly handles an empty string)
* Added DataField.h and TabBox.h to XmAll.h
* Added synthetic resolution independent conversion of width/height resources
to ExtendedList for MultiList
* Added wide character string value of search string
to ExtendedListCallbackStruct
* Made DropDown using XmGrabShell instead of TopLevelShell
* #1260 (Option menu changes screen's focus to 'None')
* #1258 (XmDataField: data out-of-bounds bug in df_FindPixelLength)
* #1257 (XmTextField: "Character xxx not supported in font" errors,
bug in multibyte code)
* #1256 (Problem with XmNsingleSelectionCallback in XmExt18List widget)
* Fixed incorrect XmRenderTableToProp() behavior appearing in RendToProp test
* Fixed incorrect XmClipboardCopyByName() behavior appearing in CutPaste2 test

2.3.0 May 2007
a. Several bugs were fixed.

2.2.4 October 2004
a. Fixed vulnerabilities in libXpm code [CVE numbers CAN-2004-0687
(integer overflows) and CAN-2004-0688 (stack overflows)].
b. Fixed compilation under SUSE 9.1.
c. Fixed building procedure under FreeBSD.
d. Fixed building procedure in order to make it usable with
new versions of autoconfig.