OVERALL: Draw

The UK release has a new uncut transfer with the knee drop, the original red Hong Kong credits (missing for years, they've since been found) and commentary, with the original Cantonese mono track.
The US/Canadian releases have 5.1 and original mono options with some exclusive extras.
The Japanese release has a Cantonese 7.1 track, but uses an older transfer.

CUTS:

• Blu-ray A Jackie Chan: Emergence of a Superstar America- Criterion Collection - No cuts - Uncut Hong Kong Version with the knee drop and the original red Hong Kong credits (98:07)
• Blu-ray A Jackie Chan: Emergence of a Superstar Canada- Criterion Collection - No cuts - Uncut Hong Kong Version with the knee drop and the original red Hong Kong credits (98:07)
• Blu-ray A Japan- Paramount Home Entertainment - Yes - Although it includes the Hong Kong Version (97:13) it's missing the knee drop; also has the Japanese Version (98:20) with additional animated opening sequence and theme song
• Blu-ray B Dragon Edition Germany- Splendid Film - Yes - Includes the Hong Kong version (98:03) but it's missing the knee drop; also has the German theatrical version (76:56)
• Blu-ray B Jackie Chan Vintage Collection Volume 3 Scandinavia- Universal Pictures - No cuts - Uncut Hong Kong Version with the knee drop and the original red Hong Kong credits (97:39)
• Blu-ray B Limited Edition United Kingdom- 88 Films - No cuts - Uncut Hong Kong Version with the knee drop and the original red Hong Kong credits (97:47)

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Comparison added by Eric_Cotenas on 09/08/20
Comparison last updated by James-Masaki_Ryan on 03/11/23

UPDATE LOG:

09/08/20 : Initial entry.
09/08/20: Updated to include info on the cut status of the Japanese and German editions.
13/08/20: Added Scandinavia.
03/11/23: Added US, Canada.