v2.9.0

2.9.0 (2022-04-29)

Features

• docs/application: Add asynchronous coding guide (4073c64)
• docs/application: Add Verticle event loop concept (b2c95be)
• images: Add Future compose diagram (d6b30a5)
• images: Add Future eventually diagram (93d120a)
• images: Add future map diagram (569b05a)
• images: Add Future recover diagram (6be062a)
• images: Add Future transform diagram (1f2d021)
• images: Add Java thread distribution diagram (319f830)
• images: Add Promise states diagram (cd2bbf2)
• images: Add Verticle event loop diagram (d92c5ab)