Acorn

Creative ToolsmacOS

An image editor for the Mac with layers, filters, vector tools and scripting.

Latest 8.7 · · macOSby Flying MeatWebsiteRSS

Release activity

Release activity — 3 releases across 3 days since Aug 24, 2026. Each cell is one day; darker means more releases that day. Nothing is recorded before Aug 24, 2026. Older weeks are hidden at this screen width.
JulAugSepOct
SundayNo releases on Aug 30, 2026No releases on Sep 6, 2026No releases on Sep 13, 2026No releases on Sep 20, 2026No releases on Sep 27, 2026No releases on Oct 4, 2026No releases on Oct 11, 2026
Monday1 release on Aug 24, 2026No releases on Aug 31, 2026No releases on Sep 7, 2026No releases on Sep 14, 2026No releases on Sep 21, 2026No releases on Sep 28, 2026No releases on Oct 5, 20261 release on Oct 12, 2026
TuesdayNo releases on Aug 25, 2026No releases on Sep 1, 2026No releases on Sep 8, 2026No releases on Sep 15, 2026No releases on Sep 22, 2026No releases on Sep 29, 2026No releases on Oct 6, 2026No releases on Oct 13, 2026
WednesdayNo releases on Aug 26, 2026No releases on Sep 2, 2026No releases on Sep 9, 2026No releases on Sep 16, 2026No releases on Sep 23, 2026No releases on Sep 30, 2026No releases on Oct 7, 2026No releases on Oct 14, 2026
ThursdayNo releases on Aug 27, 2026No releases on Sep 3, 2026No releases on Sep 10, 2026No releases on Sep 17, 2026No releases on Sep 24, 2026No releases on Oct 1, 2026No releases on Oct 8, 2026No releases on Oct 15, 2026
FridayNo releases on Aug 28, 2026No releases on Sep 4, 20261 release on Sep 11, 2026No releases on Sep 18, 2026No releases on Sep 25, 2026No releases on Oct 2, 2026No releases on Oct 9, 2026No releases on Oct 16, 2026
SaturdayNo releases on Aug 29, 2026No releases on Sep 5, 2026No releases on Sep 12, 2026No releases on Sep 19, 2026No releases on Sep 26, 2026No releases on Oct 3, 2026No releases on Oct 10, 2026

3 releases since Aug 24, 2026

Changelog

8.7

Latest
Added 14
  • New Synth Fill tool for brushing away unwanted objects in photos
  • New Repair tool for spot healing and touching up photos by filling patches using pattern matching of surrounding pixels
  • Multiple selected bitmap layers can now be resized at once, even with a selection
  • New Expand Selection option in the Selection palette to non-destructively expand the current selection by a set number of pixels
  • New Temperature and Tint filter for color correcting overly warm or cool photos
  • New High Pass filter that keeps edge details and flattens everything else to gray
Changed 5
  • Various SVG importing and exporting improvements, including bitmap layers being written out to SVG files
  • When exporting as SVG, layer names are preserved with the id attribute in the layer's group tag
  • What's New in Acorn menu item replaces the Show Release Notes menu item that opened notes in a browser window
  • Paste and Match Style menu item is no longer hidden behind the option key and can create new Shape Layers when text is on the clipboard
  • JPEG 2000 option moved lower in the Export window because Apple has deprecated it
Fixed 6
  • Export window disables the progressive option when JPEG 2000 is selected, and the preview updates correctly when progressive is toggled for supported formats
  • Printing problems where images could have too much whitespace around the margins
  • Poly select tool accuracy on shape layers
  • Loading conflicts when two saved brushes have the same name
  • HEIC encoder failing in web export when embed profile is off and a non-RGB color profile is selected; the profile is now always embedded in this case
  • Layers with masks not allowing mouse click-through to layers below them

From Acorn

New Stuff

  • New Synth Fill tool, which you can use to brush away unwanted objects in your photos.
  • New Repair tool, which you can use to spot heal and touch up photos. It works by looking at the pixels around the area and with the magic of pattern matching, fills in a nice little patch for you. You can now resize multiple selected bitmap layers at once, even with a selection.
  • New Expand Selection option in the Selection palette, which lets you non-destructively expand the current selection by a set number of pixels. (Finally.)
  • A new Temperature and Tint filter, which will help color correct overly warm or cool photos.
  • A new High Pass filter, which keeps the edge details of your image and flattens everything else to gray. Useful for sharpening when blended with the original using Overlay.
  • A new Edge Stroke filter, which adds a colored stroke around the transparent edges of your image.
  • A new Color Overlay filter, which adds a colored overlay on top of your layer, with opacity and blend mode settings.
  • When opening up a SVG file, you are now given options to set the DPI, width, and height of the resulting image (defaulting of course to what it would be if natively read at 72dpi). This new import window also gives you the option to rasterize the SVG file right away, which will use WebKit to render the SVG instead of converting it into native Acorn shape layer objects.

Other

  • Photoshop image import improvements: Support for reading 16 bit per channel PSD files, grayscale PSDs, and the Color Overlay layer effect.
  • Various SVG importing and exporting improvements, including bitmap layers being written out to SVG files.
  • When exporting as SVG, layer names are now preserved with the id attribute in the layer’s group tag.
  • There’s a new menu item under the Help menu named What’s New in Acorn that loads up the latest release notes for you. It’ll automatically show once if you’re using the App Store version of Acorn. This also replaces the “Show Release Notes” menu item which would open a the notes in a browser window.
  • The Flood Fill (paint bucket / color fill) tool has a new blend mode: “Copy (Opaque Only)”, which works like the Copy blend mode, but won’t replace all the pixels in your layer, just the ones that are being filled.
  • The Paste and Match Style menu item is no longer hidden behind an option key. And you can now use it to make new Shape Layers if you have text on the clipboard.
  • Moved the option for JPEG 2000 down the list in the Export window, as Apple depreciated it a while back (though it still works for now!).
  • New Action Bar action “Disable All Snapping” which will turn off all snapping options for the open image. Also, did you know that ⌘⇧⌥; works as a toggle disable all snapping as well? So if you want it all off for a little while, that’s a nice shortcut to remember.

Fixes

  • Acorn’s Export window now disables the progressive option when JPEG 2000 is selected as the format, since the encoder doesn’t support it. Also fixed a bug related to this where the preview would not update correctly when the progressive option was toggled for formats that support it.
  • Fixed some printing problems where images might have too much whitespace around the margins.
  • Fixed a bug where using the poly select tool on shape layers wasn’t always very accurate.
  • Fixed a problem where two saved brushes with the same name would have loading conflicts.
  • Fixed a problem where the HEIC encoder would not work correctly in web export if you had "embed profile" turned off and a non-RGB color profile selected. The fix was to always embed the profile in this case.
  • Fixed an issue where layers with masks would not appropriately allow mouse click throughs to layers below them.

Read the release notes on website for the full list of changes.

If you like Acorn, we’d love it if you could take a moment and give it a nice review. It helps Acorn get noticed, which helps everyone in the long run.

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How 8.7 went

8.6.3

Added 5
  • Support for the latest OS release
  • The acorn shell tool now has a -screenshot argument to take a layered screenshot of all open windows
  • The acorn shell tool supports -delay argument to wait before taking a screenshot
  • The acorn shell tool supports -appname argument to only include windows from the named app
  • Acorn's Dock menu now has an option to take a layered screenshot
Changed 4
  • Filter presets now respect the canvas selection on bitmap layers and are masked to the selection
  • When exporting as PSD images, Acorn no longer adds extra pixels to bitmap layers when not necessary, keeping existing pixel bounds instead of matching canvas bounds
  • Updated the x/y labels in the Crop, Scale Layer, Perspective Transform, and Smart Layer Export palettes to be consistent with the rest of Acorn
  • When loading a new brush preset, Acorn checks if velocity settings have been saved previously and if not, the new preset inherits the current brush's velocity changes
Fixed 4
  • Fixed a problem where using File ▸ New from Clipboard with a URL would throw up a SVG error
  • Fixed a problem where the clone tool would draw artifacts when the blending opacity was less than 100%
  • Fixed a problem where using the Export With Preset menu item would not remember to use the resize options saved in the preset
  • Fixed a problem where the mouse location in the vertical ruler wouldn't update in the correct location
View originalRead the notes
How 8.6.3 went

8.6.2

Added 2
  • The acorn shell tool now has a -screenshot argument to take a layered screenshot of all open windows, with -delay to specify seconds to wait and -appname to filter by application
  • Acorn's Dock menu now has an option to take a layered screenshot
Changed 4
  • Filter presets now respect the canvas selection on bitmap layers by masking filters to the selection
  • PSD export no longer adds extra pixels to bitmap layers when unnecessary, keeping existing pixel bounds instead of matching canvas size
  • Updated x/y labels in the Crop, Scale Layer, Perspective Transform, and Smart Layer Export palettes for consistency
  • When loading a new brush preset, velocity settings are inherited from the current brush if not previously saved in the preset
Fixed 4
  • Fixed an issue where File > New from Clipboard with a URL would throw an SVG error before downloading the image
  • Fixed clone tool drawing artifacts when blending opacity was less than 100%
  • Fixed Export With Preset menu item not remembering resize options saved in the preset
  • Fixed mouse location indicator in the vertical ruler not updating in the correct location
View originalRead the notes
How 8.6.2 went
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