This thread is to discuss current Powder Toy changes/features. NOT for suggesting your ideas/elements.

For those that feel confident in providing feedback for the extreme unknown; Here's an extremely experimental build that uses OpenGL: https://powdertoy.co.uk/Download/Builds/Build-108/

Current Version 77.0

• New element: GEL
• New element: TRON
• Fix flood-delete crashes
• Fix moving SPNG (use .flags to allow movement, although can't change atm)

Older changes:
Version 74.2

• Fixes for Triangle brush and minor electron bug
• Debug lines for WiFi, Portal and Soap
• Fusion for H2 at high temperature+high pressure
• Ambient heat and Newtonian Gravity in Quick Options menu.
• Smudge tool
• Speed improvements for particle drawing
• More consistent spark speed (possibly affects existing circuits)
• BRAY fire speed (Only shoots once per spark)
• DLAY blocked by INSL
• WIFI will always take one frame to transmit SPRK
• Ambient heat blocked by walls.
• New elements: FRAY - Similar to ARAY but applies force, RPEL - Attract and repel particles
• DEUT can be compressed by gravitational fields
• Fix for "bumpy" streams of photons coming from PCLN
• Allow DEST to be used with clone elements
• Icon for Force Elements
• Allow Walls to be used to protect PIPE
• Improve appearance of BCOL
• Fix bug where Ice won't melt

Version 71.3

• Enable use of caching server to improve performance or thumbnail retrieval.
• Fix issue where sign tool creates invalid walls
• Fix issue where LRBD/RBDM isn't ignited by WATR
• Fix crash on rotating a stamp with walls as wide as the window
• Fix Invisible photons
• Fix bug where WARP+SING destroys DMND
• Fix issue where Lua can't create photons in glass

Beta Version 69.1 (119)

• New Lua API features, ability to edit particle type properties from tpt.el... array, particles are exposed as an array now

Beta Version 69.0

• New element: TNT (Doesn't cause crash anymore in build 116)
• Bug fix for LCRY and ELEC
• Restore old LCRY/DECO rendering
• Fix display modes on number hotkeys not saving correctly

Beta Version 68.7

• Additions to Lua API:
  
  • tpt.el : Table of element types, tpt.el.none = 0, tpt.el.dust = 1, etc
  • tpt.version : Table of version info, tpt.el.major, minor, build
  • int tpt.element(string name) : returns numeric ID of given element name, tpt.element("WATR") = tpt.el.watr
  • tpt.element_func(function func, int element, [boolean replace]) : Sets the update function for a specific element: func has the following args: (int index, int x, int y, int surround, int nt)
  
  

Beta Version 66.1 ... 68.6

• Bug fixes for graphics.

Beta Version 66.1 (102)

• Massive overhaul of graphics code, appearance of many elements changed.

Version 65.5 (100)

• New elements from MaksProg, LIGH, TESC, EMP and DEST.
• STKM can use LIGH.
• Another FILT mode (3 will subtract its color).
• Quick options menu, top right, can toggle various options quickly.
• Lots and lots of fixes.

Version 64.3 (88)

• Decoration editor tool menu, with lighten and darken tools.
• Can type in decoration editor color boxes for specific RGB values, hit enter after typing a number to confirm.
• SOAP removes decoration, opposite of BIZR.
• Water equalization, turn on in options menu, or tpt.watertest() .
• BUBW changes to be more realistic, can explode.
• New element CAUS, an acid like gas, created from ACID+WTRV.
• Can see selected elements from Lua, tpt.selectedl or tpt.selectedr .
• Saved settings are in JSON format, replaces powder.def
• Can opt in to receive beta updates.
• QRTZ scatters photons.
• New Tool, PROP, edit properties easily without console.
• FILT has modes with .tmp (0,1,2). 0 is convert (old method). 1 will filter (only close color can pass). 2 is add color.
• 'Sign out' button in the login menu, instead of submitting blank data.
• Fancy colored powders, hit 'n' to toggle.

Version 61.2

• Fix a Lua mouse event bug.
• Can set decoration layer, "dcolour" property.
• Fixed some possible cases where particles disappear randomly.

Version 61.1

• Fix some memory leaks.
• STOR will absorb anything when no ctype set, and its ctype can't be a solid element.

Version 61.0

• Added energy only wall (Photons, Neutrons, etc) as replacement for Gas only wall fix
• STOR will change appearance when it holds a particle.

Version 60.1

• Tools menu which holds AIR, HEAT, COOL, ect.
• tpt.getscript() to download scripts from the official script repository.
• tpt.setwindowsize(scale, fullscreen) to change the scale (1 or 2) and fullscreen (0 or 1).
• Selection for stamp/copy is now by pixel.
• Water puts out fire better.
• New Elements CO2, BUBW, DRIC, STOR, PVOD, CONV.
• Zoom toggle alt-z.
• BIZR acts as a dye.
• Many other various fixes and improvements.

Version 57.5

• Fix in Lua keyevent function

Version 57.4

• Fixes Stickman 2 "Spaz"
• Fixes bug where electrode would delete particles if replace mode was enabled.

Version 57.3

• Fixes bug where Coal is invisible when first drawn.

Version 57.2

• Allows scrolling of the "special" menu

Version 57.1

• Stops the client launching a DDoS attack on the server when checking for updates.

Version 57

• Gravity tools (NGRV and PGRV)
• Allow reloading of directly opened files
• Graphical changes to Coal

Version 56

• GBMB element. (Required Newt. Gravity)

Version 55

• WIRE element.
• Extra line tool info ( tpt.setdebug(4) )
  

Version 53.3

• New Lua API functions to get keyboard/mouse presses.

Version 53.1

• Fix old GoL + clone saves. Other LIFE visual improvements.
• Fancy lensing for newtonian gravity (Fancy veiw).
• DLAY element.
• New Lua API functions (from me4502).

@Spektyte (View Post)
@me4502 (View Post)
I thought mac fullscreen was fixed?
will test on my mac later. (it might be the new Lion crap messing it up)
Also yes, credit can go to you, just forgot.