Changed: current 2D position and zoom is now stored in the .dbs file when saving the map and restored when opening it (should this be turned into toggleable option?).
Draw Lines mode, Draw Curve mode: you can now hold Alt - Shift to snap to 8 cardinal directions.
Draw Rectangle mode, Draw Grid mode: you can now hold Alt - Shift to draw square shapes.
Draw Ellipse mode: you can now hold Alt - Shift to draw circle shapes.
You can now hold Alt - Shift to snap to 8 cardinal directions while dragging map objects.
Fixed, Draw Lines mode: line angle is now displayed in 0..359 range (was -45..314).
Fixed, Linedef info panel: line angle is now displayed in 0..359 range (was -45..314).
Sound Environment mode: added "Show nodes with warnings only" checkbox to the panel.
Sound Environment mode: somewhat increased sound environment update speed by updating the list after all sound environments are updated.
Sound Environment mode: the list now scrolls to show highlighted sound environment.
Sound Environment mode: sound environments can now be (de)selected. Selecting a sound environment stops highlighting sound environments / scrolling the list when moving the mouse.
Fixed incorrect formatting of changelog messages displayed in the updater window.
Changed, Classic modes: models for things hidden by thing filter are now rendered with much lower alpha than the "regular" ones.
Fixed, Classic modes: MODELDEF model scale was not taken into account when calculating model visibility, which resulted in models with increased scaled disappearing when near screen edges.
Changed, Linedef Edit window, Visual mode, UDMF: when "Edit windows remember selected tabs" setting is enabled and Front or Back tab was previously selected, the tab, which corresponds to the highlighted side will be selected.
Added: thing categories defined in Game Configurations can now be nested.
Changed, Thing Edit window: thing categories now use different icons.
Fixed: Thing Edit and Vertex edit windows had incorrect help links.
Fixed: Sound Propagation and Sound Environment modes had incorrect help links.
Documentation: updated "DECORATE keys" and "Things Settings" pages.
Visual mode, 3d floors: sloped 3d floors are now always rendered as opaque (just like in GZDoom).
Fixed a crash when creating a new unknown thing (introduced in r2324).
Documentation: updated "Action Argument Settings" and "DECORATE keys" pages.
DECORATE: added "//$ArgNEnum" special comment. It can be used to specify an enum to use with the argument.
Documentation: updated "Action Argument Settings" and "DECORATE keys" pages.
Game Configurations: updated things in ZDoom "Bridges" category to use argument types 23 and 24.
Documentation: added "Action Argument Settings" page, updated "Basic Settings", "Map Format Settings", "Linedefs Settings" and "Things Settings" pages in Configurations -> Game Configurations group.
Documentation: updated "DECORATE keys" page.
Sector Edit Form, UDMF: Sound Sequence selector is now a drop-down populated by values parsed from SNDSEQ.
Documentation: updated "(G)ZDoom text lumps support" page.
Updated udmf_zdoom.txt.
Fixed, Game Configurations window: current map is marked as changed when applying changes done in the window.
Changed, UDMF saving: removed extra line break between map elements.
Removed "Sectors Brightness Mode" action, because the mode itself was removed long ago...
Documentation: updated "DECORATE keys", "Things Settings" and "Linedefs Settings" pages.
Changed, Classic modes: increased maximum zoom level to 9000% (was 3000%).
Added, General interface: added "800%" zoom level to the bottom toolbar zoom menu.
Added, General interface: added "400%" and "800%" zoom levels to "View -> Zoom" menu.
Changed, Things, Sectors, Linedefs, Vertices modes: we shouldn't select highlighted map element during the copy action when no map elements are selected.
Internal: removed some debug stuff from CheckTextureAlignment and ResultTexturesMisaligned.
Changed, Thing Info panel: floor slopes are now taken into account when showing thing's Z position (same plane type limitations as above).
Changed, Thing Info panel: thing position is now shown as "X, Y, Z (abs. Z)".
MAPINFO: added "DoomEdNum" and "SpawnNums" blocks support.
MAPINFO: added "#include" directive support.
MAPINFO: added "$gzdb_skip" special comment support.
DECORATE: "spawnthing" Game Configuration block is now updated using "SpawnID" actor property.
Game configurations: added "class" property to the most of ZDoom things.
Actions: removed "Reload MAPINFO" action.
Documentation: merged "GLDEFS and MODELDEF support", "(Z)MAPINFO support" and "TEXTURES support" topics into "(G)ZDoom text lumps support", added info about the other text lumps GZDB can use.
Changed, Linedef info panel: activation flags are now displayed before "regular" flags and using different color.
Added, Linedef info panel: sidedef flags are now displayed.
Fixed, Texture Browser, High-DPI: bottom panel of ImageSelectorControl had incorrect height when using DPI scaling.
Changed, SplitterControl, High-DPI: DPI scaling is now used when drawing expand/collapse area.
Documentation: fixed typos, filled "Compiling GZDoom Builder" page.
Renamed the default program configuration file from "GZBuilder.cfg" to "GZBuilder.default.cfg".
Changed the default keys of "Move Thing Left\Right\Forward\Back" actions to arrow keys (was Ctrl + arrow keys).
Updated documentation: added "Command Line Parameters" topic.
Visual mode: added support for "Transfer Floor Brightness" (210) effect.
Visual mode: added support for "Transfer Ceiling Brightness" (211) effect.
Visual mode: changed the way thing brightness is calculated. Should be closer to GZDoom now.
Sector Edit Form: you can now enter "++" or "--" into "Height Offset" input to raise or lower sectors by their height.
Cosmetic fix in ZDoom_linedefs.cfg.
Added, Visual mode, UDMF: added "Increase Scale" and "Decrease Scale" actions.
Added, Visual mode, UDMF: "Reset Texture Offsets" action now resets scale when used on things.
Added, Visual mode, UDMF: "Reset Local Texture Offsets" action now resets scale, pitch and roll when used on things.
Changed, Visual mode, UDMF: "Reset Texture Offsets" action now only resets texture offsets (previously it also reset texture scale).
Changed, Visual mode, UDMF: "Reset Local Texture Offsets" action now resets texture offsets, scale and brightness of sidedefs and also rotation of floors/ceilings.
Changed, Visual mode, UDMF: thing box arrow now displays pitch and roll for things, which have attached model and appropriate MODELDEF flags.
Changed, Thing Edit Form, UDMF: negative pitch and roll can now be entered.
Updated documentation.
Changed, cosmetic, Sector Info panel, Visual mode: info about currently highlighted surface is now shown using different color.
Changed, cosmetic, Linedef Info panel, Visual mode, non-UDMF: texture offset labels for currently highlighted sidedef are now shown using different color.
Changed, cosmetic, Vertex Info panel, UDMF: floor and ceiling offset labels are now grayed out when they have default values.
Changed, Numeric textboxes: trailing zeros are no longer displayed to reduce visual noise.
Fixed, paired numeric controls: in some cases culture-specific decimal separator was not used.
Fixed, map loading: inability to initialize D3D device is now handled a bit more gracefully.
Fixed, main toolbar context menu: we should suppress context menu closing only when user clicks on a menu item while holding Shift key.
Fixed, Game configurations: several Skulltag things were not included in many Zandronum game configurations.
Fixed, Open Map Option window: fixed a crash when switching to a map configuration with long texture names support enabled when the wad being open has no maps (this will probably never happen because of previous change, but let's be on the safe side...).
Added, Game configurations: added "thingclasshelp" property. It's used to open a website when thing class name is clicked in the Thing Edit form.
Changed, "Raise/Lower sector to nearest" action: 3d floors are now taken into account when using the action on things.
Updated documentation.
Fixed, Texture Browser: restored Tab key functionality yet again (I broke this in r2248...).
Added a bit of boilerplate to some of Tag Explorer's settings.
Internal: added CollapsibleSplitter control.
Changed, Tag Explorer: several wildcards can now be used at once. For example, entering "#12 $9" will show only map elements with tag 12 and action 9.
Changed, Tag Explorer: you can now filter list by polyobject number by entering "^NN" in the Filter field.
Changed, cosmetic: reduced map resizing caused by UI resizing during map loading.
Internal: MapSet.ConvertSelection no longer selects sectors with no sidedefs when converting selection to sectors (unless those sectors were already selected).
Changed, Texture Browser form: texture groups list can now be resized.
Changed, Texture Browser form: selected group in texture groups list is now highlighted using highlight color even when not focused.
Changed, Linedef Info panel cosmetic: changed vertical position of texture name labels to match with the ones in the Sector Info panel.
Event lines: added event lines for polyobject anchor -> polyobject start spot pairs.
Fixed, Things mode: event lines were not drawn after finishing panning.
TEXTURES parser: part of a TEXTURES filename is now used as a path in Image Browser. For example, textures from "textures.stuff" will be located in "[TEXTURES]/stuff" in the Image Browser.
TEXTURES parser: added "//$GZDB_SKIP" special comment. Parsing of the file is stopped after this comment is encountered.
Updated documentation.
Info panels: float values are now formatted regardless of current CultureInfo (e.g. decimal separator is now always dot). Also, they are no longer clamped to 2 decimal places.
Updated ZDoom_ACS.cfg.
Changed, Thing Edit Form (UDMF): rearranged Action and Identification groups to match the rest of the Edit forms.
Changed: Classic Thing Edit form no longer has tabs.
Fixed, Visual mode, UDMF: sector geometry cache was not updated after using "Match Brightness" and "Change Brightness" actions on ceilings, so the changes made by them were not visible when using Classic modes in "View Ceiling Textures" mode.
Fixed, Visual mode, UDMF: "Match Brightness" and "Change Brightness" actions set brightness incorrectly in some cases.
Fixed: ACS script names gathering logic was unable to process relative #include and #import paths (like '#import "..\acs\qtilt.acs"').
Updated ZDoom_DECORATE.cfg.