Added Wounded Cubic formula in the Integer Powers category.
Added Real Expo formula in the Real Powers category.
Added Power Swap formula in the Hybrid category.
Fixed a bug in analysing critical points for Julia mode or explorer, which could result in Floating Point division by zero errors in rare circumstances.
Added Mean loglog option in the In Set color curve control.
Added 97 sharper option to the Anti-aliasing control. If the Render With Alpha Mask option is on then 97 samples is used instead.
Fixed bugs when importing Map files. The Gradient Category dialog would still import gradients if the Cancel button was clicked, and did not check for a blank category.
In the Help, added a Formula forays section with two topics on fractal types.
Fixed a bug where environment map files and preset files would not open if the extension was upper case.
Added Blaschke Triple Product formula in the Integer Powers category.
Added Crossbrots formula in the Hybrid category.
Added a Numerator Angle parameter to the Rational 2 formula.
Added a Function P parameter to the Zenex formula, with five choices about the A and B parameters.
Fixed a bug where opening a formula preset did not set the correct value for dropdown list parameters added later if the default is not the first item.
Added a parameter Gz^8 to the Zenex formula.
Fixed a bug in the Loxodrome Orbit Trap Shape that could cause a crash.
The Quick Mandelbrot option is now set on or off automatically when opening parameter files.
Fixed a bug where the Julia explorer could stop working with Fibers enabled in some formulas.
Presets now allow renaming categories directly if the category is empty or no presets are selected.
Fixed a bug in renaming and saving presets where the existing presets were not shown initially.
Added Zenex formula in the Trig and Log category.
Added Square options to the Wave parameters in the Spirograph formula.
Added Arc, Loxodrome and Sierp triangle Orbit Trap Shapes.
Added Warp parameters to the Hypertile formula.
Fixed a bug in v4.200 where parameter files with the Devanian formula were saved with incorrect formula ID and would not open correctly.
Command line rendering now allows setting anti-aliasing to the top two options, and defaults to Adaptive 49.
Ctrl-clicking the Copy Parameters to Clipboard button copies the Formula info in plain text.
The gradient strip indicates the color that the mouse points to in the preview, when applicable.
Added A Angle and B Angle parameters to the Devanian formula.
Added Spiral balls Orbit Trap Shape.
Fixed possible floating point overflow errors in Part calculation in some Orbit Trap shapes.
Fixed a bug where in some circumstances some pixels that are Exterior without lighting become In Set in the Preview with lighting enabled.
The Save/Rename Preset dialog now shows a list of existing preset names in the current category.
Right-clicking in the Preview now shows a Render Sample popup with a 56x56 anti-aliased render.
Changed how Ctrl-dragging in the Preview works. Now the start point is the center and dragging draws a rectangle with the same aspect ratio as the preview.
Fixed a bug where pressing Ctrl after the mouse button for zooming would draw solid yellow rectangles that didn't erase until the mouse button was released.
Fixed a bug where Ctrl-dragging while the preview was in progress had erratic rectangle drawing.
Increased Low Bailout limits to between -8 and 40.
Fixed a bug where opening a file from a later version with extra formula parameters caused a crash.
Added Bipyramid in Exterior texture patterns and Interior and Orbit Trap texture Pattern 1.
Increased range of Power to -20 to 20 in Exterior, Interior and Orbit Trap textures.
Fixed a bug since v3.7 where saving a color preset with orbit traps caused an error.
Added an option in the Render Options panel to Render Depth Map, with Normalize and Invert options.
The Fast Mandelbrot Preview option now includes Mean |z| coloring and uses full Fibers calculations instead of default options.
Added a button in the Formula panel to Open Parameter Files Using Formula.
Added Power formula in Integer Powers category, optimized for each power.
Added a Hybrid category to the Formula menu, for formulas that depend on iteration count.
Added Alternator and Coupling Loops formulas in the Hybrid category.
Added Alkaleid formula in the Chaotic category.
Added Alternate Angles parameter to Kaleidor formula.
Fixed a bug where changing the formula did not reset the Max Iterations control's default value when it is the usual.
Fixed a bug with Lissajous, Spirograph and Spirotator formulas where increasing Max Iterations in Mandelbrot mode caused a crash.
Added a Fog panel with controls for depth fog effects.
Fixed a bug where Reset Lighting did not override the In Set and Orbit Trap panel Lock options.
Rendering is now faster for unlit Mandelbrot mode when Distance calculations are not needed.
Fixed a bug since v3.8 where non-polar Orbit Trap textures in Mandelbrot mode without lighting had incorrect scale and could crash.
Added Nova formula in the Integer Powers category.
Added a First option to the Orbit Traps Trap tab, for individual traps to override the global Trap mode.
Added Supershape to the Orbit Traps Shape list.
Fixed a bug since v3.702 in Orbit Traps where opening an OT preset, randomizing or resetting the Trap tab did not update the Active OT control to show the current trap shape.
Fixed a bug where multiple orbit traps with Trap Mode not First could get coloring from the wrong trap.
Fixed a bug in v3.8 where errors could occur with Orbit Trap Mode not First and lighting enabled.
Fixed a bug in v3.702 where opening a file with multiple orbit traps and Lighting OT Sync off would cause an access violation error.
Fixed a bug in v3.702 where Ctrl-dragging in the preview drew lines instead of a dotted box if the Preview Grid option was set..
Fixed a bug in v3.702 in the Rat N Real formula where setting N to 1 or -1 caused a division by zero error.
Added a Background control in Orbit Traps Trap tab. This allows using the un-iterated trap to fill the selected region as background behind any iterated traps.
Fixed a bug in v3.702 in the Orbit Traps panel where the Move Up/Down buttons could sometimes cause an out of bounds error.
In Preferences, increased the maximum H and V Aspect Ratio values to 2000.
Added grid options to the Preview Center Lines button.
Increased maximum Low Bailout to 25.
Changed some formula parameter controls to dropdown boxes.
The Real Power, Rat N Real and Real Rat formulas are now valid for power down to 0.01.
Added a Version parameter to the SineShine formula, with the Flip SinH option giving the same results as versions before v3.0.
Fixed a bug in the Powerwarp formula where large negative Power with Inversion could cause a Floating Point Division By 0 error.
Fixed a bug in the Lissajous formula where XY Ratio set to 0 caused a Floating Point Division By 0 error.
Increased the maximum number of Orbit Traps to 12.
Replaced the Active OT buttons with a dropdown list, which shows the trap ID and shape.
Added a toggle button to the Orbit Trap Presets dialog to Lock Trap properties except Shape, Dimension, Variation and Hole.
Added Butterfly and Cube Orbit Trap Shapes.
Many Orbit Trap Shapes now have different and better default values for Dimension and Variation.
Added Exes to Exterior, Interior and Orbit Trap texture patterns.
Added Row Mix 1 and Row Mix 2 to Orbit Trap texture patterns.
In the OT Gradient tab, added a Hard option for the Fade control, and a Part control to offset the Gradient for part of the trap shape.
Fixed a bug in v3.6 where opening a file or restoring memory spots with Interior Texture Pattern 2 set to Weave would cause a List Index Out of Bounds error.
Replaced the Active OT buttons with a dropdown list, which shows the trap ID and shape.
Fixed a bug where Undo/Redo or opening a parameter file with the Lighting tab showing did not update the Active Orbit Trap lighting controls.
Fixed a bug in v3.6 where Orbit Traps in Cells mode could sometimes have messed up lighting.
Fixed a bug where the Lights and Energy modes for Diffuse and Specular gradients used the reversed gradient.
Added Spirotator, Spirograph and Lissajous formulas in the Chaotic category.
Improved speed of chaotic formulas (except for Icon, Gumowski-Mira and Kaleidor.)
Chaotic formulas (except Icon and Gumowski-Mira) can no longer generate Interior points in Julia mode, which are unwanted.
The default MaxIter value when pressing the Spacebar key is now correct for formulas that have different defaults.
Added a Custom option to the In Set coloring dropdown list.
Added Stripes to both patterns in Exterior texture.
Added Stars and Stripes patterns to pattern 1 in Interior and Orbit Trap textures.
Fixed a bug in Orbit Trap textures where the last seven patterns in the Pattern 1 and Pattern 2 lists did not show correctly in the dropdown controls after restoring from parameter files, color presets or color memory spots.
Added a Custom option to the In Set contour dropdown list.
Renamed Adaptive anti-aliasing options and added options for Adaptive 97 and 97 Samples.
Fixed a bug in Adaptive anti-aliasing options where they did not work as well as they should.
Fixed a bug where sometimes a node could not be dragged without first switching to another node and back.