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- If you are ready to Download CHDK, or want to see what's available, head on over to the DOWNLOADS page. That page should be updated with all the latest build summaries and links.
- Bug tracking and feature requests with Mantis (note that Mantis is no longer used)
- Change Log / Timeline: https://tools.assembla.com/chdk/timeline
- Raw comparison, original "Raw enabler": digicanon.narod.ru
- USB Specifications: 
- Got a problem or a question? Please check the FAQ first, but if you're still stumped, try one of these forums. Note: The new CHDK Forum is the most active of the English forums. Dpreview's forum used to be used most in the past. There you'll find the most extensive (English) history of CHDK's development. An active CHDK thread usually still exists at dpreview (thanks, 'zdravko'!) but the dpreview discussions are rapidly losing favor to the new CHDK Forum.
- English: The main "CHDK Forum", dpreview.com, s3users.com, TX-1 users CHDK thread
- Finnish: Afterdawn CHDK-thread
- German: zonebattler's homezone, CHDK-Forum
- Italian: HWUpgrade Forum
- Japanese: hobby10.2ch.net
- Portuguese: digiforum.com.br
- Romanian: softpedia.com, fototarget.ro by ursamajor
- Russian: forum.ixbt.com - 1, 2
- French/Français (G7 only): Topic unique G7 sur HardwareFr
- Polish/Polski: canon-board.info, CHDK Motion Detection
- English: dPreview History: 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1
- Persian: Can i use RAW format in S3 IS?
- Persian 2: CHDK & All about it
- Chinese: Discussions on forum.Xitek.com