88 cities have been added to the World Clock Deluxe database which now contains over 1,000 cities. New cities are:
| Afghanistan | Herat, Kandahar, Mazari Sharif |
| Bangladesh | Khulna |
| China | Anshan, Changchun, Changsha, Dalian, Fushun, Fuzhou, Haikou, Hangzhou, Hefei, Jinan, Kunming, Lanzhou, Qingdao, Qiqihar, Shijiazhuang, Taiyuan, Tangshan, Xining, Yinchuan, Zhengzhou |
| India | Andaman and Nicobar Islands, Bhopal, Bhubaneswar, Chandigarh, Faridabad, Guwahati, Indore, Jamshedpur, Laccadive Islands, Ludhiana, Patna, Raipur, Ranchi, Srinagar, Thiruvananthapuram |
| Japan | Hiroshima, Kawasaki, Saitama |
| Russia | Aldan, Arkhangelsk, Astrakhan, Barnaul, Chita, Ivanovo, Izhevsk, Kaluga, Kemerovo, Khabarovsk, Khanty-Mansiysk, Krasnodar, Kuril Islands, Lensk, Lipetsk, Mirny, Naberezhnye Chelny, Neryungri, Nizhny Novgorod, Norilsk, Novokuznetsk, Novorossiysk, Orenburg, Penza, Provideniya, Ryazan, Saratov, Smolensk, Stavropol, Tolyatti, Tomsk, Tula, Tyumen, Ulan-Ude, Ulyanovsk, Ust-Nera, Vanino, Verkhoyansk, Voronezh, Yaroslavl |
| Taiwan | Kaohsiung, Taichung |
| Thailand | Chiang Mai |
| Vietnam | Da Nang, Hai Phong |
| Yemen | Socotra |
The offset from UTC of San Luis, Argentina has been changed from - 3 h to - 4 h after the San Luis province adopted Western Argentina Time on March 15, 2009.
Western Argentina Time (WART) and Western Argentina Summer Time (WARST) have been added to the World Clock Deluxe database.
Daylight-saving information for Brazil, Chile, Egypt, the Gaza Strip, Israel, Iran, and the West Bank has been updated.
The repositioning of the Clocks palette after screen configuration changes involving multiple displays has been improved. In addition to that, you can now automatically keep the Clocks palette always on your primary screen when you connect one or more external displays to your computer by selecting the "Always show palette on primary screen" checkbox in the Palette pane of World Clock Deluxe Preferences.
An incompatibility with macOS 10.5 that could cause the loss of the World Clock Deluxe preferences under particular circumstances has been solved.
Some other minor bugs have been fixed and some minor improvements have been introduced.