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PNGGauntlet 2.1.2 & 2.1.3 (May 27, 2010)
  • [Fix] Remove a debug output that shouldn't have shipped.
PNGGauntlet 2.1.1 (May 17, 2010)
  • [Internal] PNGGauntlet will now run on the .NET Framework 4.0 if it is installed, instead of requiring .NET 3.5.
PNGGauntlet 2.1 (April 4, 2010) Blog Post
  • [Feature] In Windows 7, the PNGGauntlet taskbar icon shows the progress of compressing files.
  • [Feature] Each column can now be sorted, with a visual indication of the sort order like you'd expect.
  • [Feature] Option for preserving file times when optimizing.
  • [Feature] PNGGauntlet is now listed in the "Open With..." right-click menu for PNG, JPEG, GIF, BMP, PCX and Targa image files, allowing you to quickly start it with that file pre-loaded.
  • [Feature] If filenames are provided as arguments to pnggauntlet.exe, they are automatically included in the list of files to compress. You can use this to make a right-click "Compress with PNGGauntlet" command.
  • [Feature] Due to some confusion over this feature, when files get larger after being compressed PNGGauntlet now explains that it copied the originals to the output, not the larger files.
  • [Feature] When no images are queued for compressing, text appears instructing you to drag and drop files onto PNGGauntlet.
  • [Feature] The installer now prompts to launch PNGGauntlet immediately.
  • [Feature] Overall progress bar resets when files are added or removed.
  • [Feature] Start the output directory dialog on the currently-selected directory if there is one, or My Pictures if there isn't.
  • [Feature] Doesn't let you choose an empty or nonexistant output directory. If the directory doesn't exist, it prompts to create it.
  • [Feature] The list of files can be scrolled with the mouse wheel.
  • [Feature] Prettier list view drawing.
  • [Fix] Don't do anything if no files are selected to compress.
  • [Fix] Arrows on the Advanced Options button match the current state even if you close the options dialog with the close box.
  • [Fix] Fixed URL in the About dialog
  • [Internal] PNGGauntlet now requires .NET Client Framework 3.5.
  • [Internal] Lots of cleanup around how the GlacialList control draws, with fewer P/Invoke calls.
PNGGauntlet 2.0.2 (August 24, 2008) Blog Post
  • [Fix] Won't overwrite files that are larger if their filename ends with uppercase ".PNG"
  • [Fix] PNGOUT Options panel actually works now.
  • [Fix] "Open With" feature actually works now.
  • [Fix] Installer will allow you to use other directories than the default.
PNGGauntlet 2.0.1 (July 10, 2008) Blog Post
  • [Feature] Files to compress can now be specified on the command line. This means you can right click files and select "Open With" and they'll open in PNGGauntlet.
  • [Fix] Create the control state directory if it doesn't exist.
  • [Fix] Always look in the right directory for pngout.exe.
PNGGauntlet 2.0.0 (July 6, 2008) Blog Post
  • [Feature] Status bar shows total progress of multiple files as well as a running total of file size savings.
  • [Feature] Highlight the currently running file in blue.
  • [Feature] Recurses directories - directories can now be copy/pasted or dragged onto PNGGauntlet to add all eligible files.
  • [Feature] Files can be pasted into PNGGauntlet using Ctrl-V or File > Paste Files...
  • [Feature] Added progress bars for each file.
  • [Feature] Added an "About PNGOUT" menu item.
  • [Feature] Moved most options to a separate window, added many options.
  • [Feature] Added tooltips.
  • [Feature] Moved help online.
  • [Feature] Combined "Optimize" and "Cancel" buttons.
  • [Feature] Removed output window.
  • [Feature] Feedback when canceling optimization.
  • [Fix] Fixed a bug where two different files with the same name would get reported as the same size.
  • [Fix] Remembers state better.
  • [Fix] Better error handling.
  • [Internal] Using newest PNGOUT.
  • [Internal] Upgraded code for .NET 2.0.
  • [Internal] Vista compatibility - new icon, Vista font support, application manifest.
PNGGauntlet 1.1.2005.1178 (June 28, 2005)
  • Updated to newest version of PNGOUT (old version got accidentally packaged with the last version)
  • Added the ability to select PCX files in the "Choose Files" dialog.
PNGGauntlet 1.1.1939.4561 (April 23, 2005)
  • Added a real software license
  • Added "Check for Updates"
  • Changed "About" box.
  • Updated fonts and control positioning to comply to Windows standards.
  • Removed need for a manifest file
  • Updated the help files
  • Implemented the new bit depth reduction feature of PNGOUT
  • Deleting items using the "Delete" key works again
  • No longer uses color type/filter type/bit depth info while brute forcing
  • Should no longer need manual uninstall before upgrading.
  • Stores settings in C:\Documents and Settings\{username}\Application Data\PNGGauntlet. This means it should now work fine for users running with restricted privileges, although I have not tested that.
  • Now stores temporary images in the Windows temp folder.
  • Updated to newest version of PNGOUT (bugfixes)
PNGGauntlet 0.1.1916.40416 (March 31, 2005)
  • Changed some internal stuff to be faster, use less memory.
  • You can now resize the output panel.
  • Output panel size and window size are now saved between sessions.
PNGGauntlet 0.1.1881.27049 (February 24, 2005)
  • Fixed bugs when PNGOut fails
  • Added more tooltips
  • Added PNGOut progress bar
  • Updated to newest PNGOut (adds PCX image support)
  • Fixed bugs in overwriting files
  • Options are now saved between sessions
  • Fixed what might have been a bug with brute force giving incorrect arguments to PNGOut, again.
  • Added red highlighting to files that got larger
  • Changed path handling code to be more robust
  • Changed color types to an enum to hopefully banish that bug forever.
  • Sort of prettied up PNGOut output
  • Discovered that PNGOut cannot compress Progressive JPEGs
  • Made re-running the tool work better (report will update a second time)
  • Added "Clear List of Files" button.
  • Added working "Cancel" button.
PNGGauntlet 0.1.1668.35653 (July 26, 2004)
  • Fixed bug with brute force giving incorrect arguments to PNGOut.
  • Fixed bug where the new file size would always be reported as the same as the old file size if a separate output directory was used.
PNGGauntlet 0.1.1597.12617 (April 18, 2004)
  • Removed PNGrewrite
  • Fixed bug where PNG files ending with non-lowercase .png extension were excluded.
  • Internal code reorganization
  • Fixed problem where an apostrophe in the filename would crash the program
  • Added ability to compress BMP, TGA, GIF, and JPEG files.
  • Fixed bug where Optimize! button would not re-enable after errors.
  • Canceling the Choose Files dialog no longer clears the files already selected
  • Controls are now run on their own thread - should make the program more stable
  • Lots of little bugfixes
  • Incorporated the newest version of PNGOUT
  • "Brute Compress" method tries to compress the image starting at the lowest colorspace and working up, should give smaller files
  • Added the ability to preserve the gAMA chunk for people who like that.
PNGGauntlet 0.1.1271.42074 (June 26, 2003):
  • Some minor fixes - the "mixed" filter option has been added for PNGOut, the color option for PNGOut was broken and now works correctly, and if a file for some reason gets bigger after going through PNGOut, the original file will be used instead.
PNGGauntlet 0.1.1270.824 (June 25, 2003):
  • First release of PNGGauntlet.