[build] 20v3

Former-commit-id: 3fde144

Author: SPTKL

maintenance/log.md

@@ -1,9 +1,11 @@
 # Build Logs
 
-## 2020/04/06 -- Baiyue
+## 2020/04/21 -- Baiyue
 + Build 20v3
 + no new pluto research is included
-+ fresh new PTS and CAMA loaded today
++ fresh new PTS and CAMA loaded `2020/04/06`
++ updated dsny_frequencies
++ zoning features are loaded `2020/03/31` and their publication date is `2020/03/26`
 
 ## 2020/03/24 -- Molly
 + Build 20v2