4.38
-fixed "Lightmapper output failed" oversight
-reg key entry will be required once

4.37
-improved spinner gadget typing routine
-fixed bug where using an alternate texture path would result in a failure to copy textures upon export
-fixed bug where last selected import/export dialog file type got changed
-added .b3d export
-finished Half-Life .map export
-added Quake 3 .map export
-fixed bug where carving made objects lose lighting flags
-fixed some picking issues the Intel fix caused

4.36
-used old method of vertex mode (objects can be selected)
-added hollow
-added subdivision/merge tools.  These are really for my own use, and probably won't be in the public release.
-replaced wall.dll
-removed pirated regkey
-added Half-Life .map exporter (unfinished)
-tweaked render view settings
-fixed matrix problem with Intel integrated graphics cards

4.35
-vertex positions now rounded to integers
-added import capability and .obj importer
-added mesh flag 512, for welding fragmented meshes
-removed backspace/delete hotkey
-added carve
-any texture in the "common" directory is not lightmapped

4.34
-added vis groups
-fixed bug where clicking on objects bar...ah, who cares, it's fixed

4.33
-fixed cut/copy memory leak

4.32
-added some hotkeys
-updated help files
-added some new toolbar buttons
-hiding the program log now clears log data
-undo no longer changes camera position
-sped up 2D picking
-eliminated first 3d pick being slow (something initializing in OGL?)
-only one copy of help file opens now
-lightmapping now "changes" map (Are you sure you want to exit...?)
-render to file option back in

4.31
-select all, select none, and invert selection now work in face mode

4.30
-further optimized 2D drawing
-converted all opaque textures to bitmaps
-if texture is not found, other image formats and directories will be checked
-tweaked spline-drawing
-added 2D line picking back in

4.29
-fixed lightmapper divide by zero error
-fixed lightmapper memory access violation error
-fixed flipped U texture coordinates
-fixed the "cone" plugin
-entity classnames no longer case-sensitive
-lowered lightmap res settings

4.28
-fixed lightmapper losing offsetv
-added cone and wedge primitives
-regkey error fixed

4.27
-fixed scaling inaccuracy bug
-fixed lightmapper shadow bug
-added .x export
-fixed camera position resetting to 0,0,0 bug
-added notification if surface exceeds lightmap size
-added save
-zoom now focuses in on mouse position
-fixed bug where zooming could cause crashing
-added delete face
-settings now saved each time program is run
-converter now merges all objects into surfaces of a single mesh
-registration key now required for activation
-added undo

4.26
-fixed lightmap edge lines
-fixed camera disappearing bug (for reals)
-added all final textures and prefabs
-new converter selects files and handle x/3ds/cs3/b3d to cs4 map
-fixed file format docs and updated help file
-lightmaps now automatically saved upon export if RUNPLUGIN() returns a 2
-settings now get saved in settings.cs
-fixed export pattern bug

4.25
-fixed picking bug where first mesh was unpickable
-transparency now rendering correctly
-transparency working in lightmaps
-added lightmap blurring
-added "Render to file"

4.24
-fixed rare map loading crash
-removed antialiasing
-camera position now saved in map file
-file format documentated
-color schemes now work for reals
-group properties enabled
-export enabled, but no real plugins yet
-lightmapper options now actually used
-added delay to map loading loop, to spare CPU usage
-optimized mesh lines to eliminate redundancies

4.23
-added lightmapping
-csm files can now be associated with CShop
-fixed disappearing 3D view bug
-fixed error saving groups
-fixed disappearing horizontal gridlines bug

4.22
-added mirror and flip tools
-added solid properties, with "automap" option
-fixed open/save "user lib not found" error
-fixed properties box "user lib not found" error
-fixed some entity rendering bugs
-fixed group copying bug
-fixed bug where entity positions didn't sometimes save right

4.21
-fixed memory leak (it was in the UV mapping routine)
-reincorporated gllists for fast 3D rendering
-stored texture filter settings in settings.cs
-tweaked alpha blending of .tga textures

4.19
-added textures
-added surface selection
-added UV mapping tools

4.18
-finished entity system
-fixed "wall" plugin

4.17
-added vertex manipulation
-added groups
-fixed normal calculation
-optimized 2D drawing further, I think
-changed view range to fix z-buffer problems
-fixed load/save crash bug.  Program is stable (but slow) with 1.7 million polys!

4.16
-save and open back in
-cut, copy, paste back in
-fixed some refreshing problems
-moved pre-render GL commands to render.dll so users can tweak the render settings
-trying to figure out save/load crash bug.  Testing with 100,000+ poly maps, so might be out of my control

4.15
-skewing and rotation now complete
-cut, copy, paste temporarily broken
-added .tga texture support
-fixed bug where zooming in caused massive slowdown if an object was seleted
-fixed bug where drawing box didn't get updated in 3D view if it was scaled or moved before creating an object
-file format is changed!  Use convert.exe v4.15 to update your prefabs.
-entities temporarily disabled
-used glHint GL_PERSPECTIVE_CORRECTION_HINT,GL_NICEST

4.14
-fixed bug where vertical picking position was slightly off in 3D viewport
-removed "feature" that caused picking slowdown when zoomed in closely

4.13
-fixed render call where glbegin and glend were called with nothing in between
-removed all mousedown() commands, which may have caused problems
-rotate and skew sort of added, but don't work yet
-clamped glcolor3f value; may have been causing solid render bug?
-added real-time refresh option (in settings.cs)
-added cut, copy, paste
-added select all, none, invert
-mousewheel zooms in free-flight mode
-some hotkeys available in free-flight mode (cut,copy,create,delete,etc...)
-point grid added, ugly as it may be
-added non-functional screenshot saver
-added limits to zoom and grid resolution

4.12
-optimized 2D drawing even further; high-poly scenes can be drawn almost instantly
-optimized 2d picking; polycount of object is completely irrelevant

4.11
-program is now crazy-fast; faster than Worldcraft, MUCH faster than 3ds max
-optimized 3D picking
-objects can no longer be scaled negatively
-added settings file and color schemes
-media paths can be set in settings.cs(!)
-objects can be deleted
-misc bug fixes

4.10
-arrow keys pan 2D views, even while drawing
-grid resolution can be changed during drawing
-fixed entity drawing bug and 2D selection bug (from 4.09)
-drawing box now resets to fit selection dimensions after resizing (only apparent with entity display models)
-greatly optimized 2d picking and refreshing.
-drawing a box will instantly start if an object is deselected; splines and point entities will only deselect
-file format changed!!

4.09
-prefabs now work
-entity configurations handle color, size, and display model(!)
-an entity with a display model can be selected and moved, but the mesh will not scale.
-entities can be selected
-some meshes get screwy normals
-creating a prefab seems to screw up the entity drawing; something weird is happening with the mesh selection

4.08
-fixed 3D refresh problem
-clicking to deselect an object no longer starts drawing a new object
-added directional lighting; wireframe and solid render modes now work
-fixed create bug when objects are selected
-file extensions no longer case-sensitive (textures, plugins, prefabs)
-clicking without moving now instantly starts a point entity or spline
-escape key now cancels spline drawing
-spline creation now requires at least 2 points
-selection not working yet when in free-flight mode

4.07
-objects can be selected in 2D or 3D (not entities)
-objects can now be moved and scaled (not entities)
-multiple selections enabled (hold CTRL)
-removed antialiasing