Release 3.9.0dev-b889f4b (r0_0_1_test)

• Client: Improve performance of GUI when someone join or leave a server.

• Bug: Correct new channel not being shown to others if it connects with null channel info. (jamulussoftware#2754)
  (contributed by @softins)

Release 3.8.2dev-42e085c (r0_0_1devHoffieTest)

TEST: update changelog