Emulator

Game Name?

-- This affects Fifologs.

Game ID?

-- N/A

What's the problem? Describe what went wrong in few words.

-- Fifologs no longer play back I get a warning popup saying "ScheduleEvent from wrong thread" instead.

What did you expect to happen instead?

-- Working fifologs.

What steps will reproduce the problem?

-- 1. Record or download a fifolog.
2. Play file on Dolphin.

Dolphin 3.5 and 3.5-367 are old versions of Dolphin that have
known issues and bugs, so don't report issues about them and test the
latest Dolphin version first.
Which versions of Dolphin did you test on?

-- Latest.

Does using an older version of Dolphin solve your issue? If yes, which
versions of Dolphin used to work?

-- Yes, versions prior to 4.0-6021 work.

What are your PC specifications? (including, but not limited to: Operating
System, CPU and GPU)

-- Intel G3258 @ 4.1 GHz
AMD R9 290
Windows 7 x64
Ram 16GB

Is there any other relevant information? (e.g. logs, screenshots,
configuration files)

-- The PR that introduced this issue. https://github.com/dolphin-emu/dolphin/pull/2295