Visual mode: "Lower/Raise Floor/Ceiling" actions now work on surfaces with sector slopes.
Cosmetic: numeric textboxes, which support relative values, now have differently colored text and a tooltip.
Internal: renamed Sector.CeilingSlopeOffset to Sector.CeilSlopeOffset, Sector.CeilingSlope to Sector.CeilSlope to match their names with similar sector properties.
Map Analysis, internal: some ErrorCheckers and ErrorResult had inconsistent namespaces.
Thing Edit forms, internal: optimized missing flags check a bit.
Game Configurations: moved "thingflagscompare" from Game to Map format blocks. "Check stuck things" check now works properly in Doom/Boom game configurations.
Map Analysis: fixed a possible crash during "Check texture alignment" check.
Map Analysis: ResultStuckThingInLine now highlights both thing and line.
Map Analysis: ResultStuckThingInThing now highlights both things and allows to delete any of them.
Internal, Map Analysis: rewritten parts of "Check stuck things" class.
Internal, Map Analysis: changed the way processed stuff is stored in "Check texture alignment" class.
Internal: changed CurrentDomainOnUnhandledException, so ExceptionDialog with proper info shows up even if adding exception to the Event Log failed.
Internal: changed format, in which thingflagscompare info is stored.
Thing Edit form, UDMF: default value of pitch and roll angle controls is now up.
Angle control: direction line is not displayed when showing mixed values.
Visual mode: changed "Move Texture Left/Right/Up/Down by 8" actions to "Move Texture Left/Right/Up/Down by cur. grid size"
Visual mode: holding Ctrl-Shift while dragging texture with the mouse will snap texture offsets to current grid size.
Classic modes: interiors of highlighted sectors are now highlighted when the action target of currently highlighted map element is sector.
Unhandeled exceptions infos are now written to the event log.
Angle control (the newer, photoshop-like one): left-clicking inside the control now clamps angle to 45-degree increments. Right-clicking inside the control sets precise angle.
Thing Edit Form: replaced angle control with newer one.
Classic modes: fixed minor rendering artifacts when drawing thing direction arrow.
Location and active tab of all Edit Forms are now stored while GZDB is running.
Focus management between editing window and the rest of the interface should work better now.
Tag Explorer plugin: editing window was not updated properly when Edit forms were opened from Tag Explorer.
Tag Explorer plugin, UDMF: comment editing was incorrectly initialized in some cases.
Script editor: pressing "F1" now opens keyword help instead of program manual.
Linedef edit form, Thing edit form: rewritten script support logic. It should now work in the same manner as the rest of controls.
Thing info panel: thing arguments now have proper labels.
Edit forms, UDMF: fields, which are handled by UI, are no longer shown in "Custom" tab.
Visual mode: fixed a crash when loading a model on a video card without Shader model 2.0 support.
Fixed incorrect argument number and changed most of labels in "Cameras and interpolation" section of zdoom_things.cfg.
Texture scale controls now have "Link" button.
Thing, Sector (UDMF) and Linedef edit forms now work in realtime mode.
Some more fixes in Edit form realtime update stuff.
Removed some unused variables and functions.
Things can now be rotated in visual mode.
Added JPG and TGA image format support.
Fixed: TEXTURES files with names other than "textures.ext" will now be loaded (as an example, files named like "textures.something.txt" or "textures_walls.ccp" will be loaded by (G)ZDoom, but not by Doom Builder 2 or previous versions of GZDB).
Fixed: textures defined in TEXTURES have higher priority in (G)ZDoom than images with the same name in "textures" folder.
Fixed another possible crash when MODELDEF is reloaded.
Enhanced scripting workflow.
Thing and linedef arguments can now have default value in configuration files.
Fixed laggy visual camera movement on systems with big uptime.
Fixed incorrect alignment of Things with "hangs" flag in GZDoom Visual mode.
Fixed Editor crash when nodebuilder fails to build map. A window with error description will be shown instead.
Doom light levels were used even in maps in non-doom map format.
Tag Explorer plugin:
Elements list wasn't updated when map element was deleted.
Pugin wasn't disposed properly, which may led to Doom Builder 2 crash on map close.
Fixed plugin crash after opening another map.
Fixed unresponsive text entry in Filter text box.
Fixed plugin crash when Doom Builder can't determmine thing category ("UNKNOWN" category will be used instead).
Dynamic lights defined in GLDEFS are now rendered in Visual modes (currently only one light per Thing is supported).
Several values from (Z)MAPINFO are now used in Visual modes.
Added "Reload GLDEFS", "Reload (Z)MAPINFO" and "Reload MODELDEF" menu options (in "Tools" section).
MODELDEF parser now checks which model(s) is/are used in first frame.
Dynamic lights are now created with more meaningful default parameters.
Added errors and warnings indicator to main window.