# Upgrade Records

| Upgrade Date       | Upgrade Content                        |
| ---------- | --------------------------- |
| August 16, 2018 | Overseas cleaning is online, including Tokyo, Taipei, and Singapore available zones   |
| January 4, 2019  | New nodes of overseas cleaning are online, including Los Angeles, Washington, Frankfurt available zones |
| December 17, 2019  | New nodes of overseas cleaning are online, including Ho Chi Minh City, Dubai, London, Mumbai, Sao Paulo available zones |
| March 12, 2020  | Seoul node of overseas cleaning is online |
| May 1, 2020  | Support self-adjustment of cleaning threshold |
| September 8, 2020  | Bangkok node of overseas cleaning is online |
| December 29, 2020  | Jakarta node of overseas cleaning is online |