EngineConfigurationChannel with timeScale Problem

[ismeyueyue]

Behavior: I used EngineConfigurationChannel with timeScale parameter to set Unity Project Time.timeScale.

engine_config = EngineConfigurationChannel()
engine_config.set_configuration_parameters(time_scale=my_time_scale)

Expected Results: The Time.deltaTime should be changed in proportion to the timeScale, and the Time.unscaledDeltaTime remains the same.

Actual Results: The Time.deltaTime remained the same, however the Time.unscaledDeltaTime which is timeScale-independent was changed instead.

Screenshots I used tensorboard to record the results.

• I set three timeScale values(1, 2, 8) to EngineConfigurationChannel.

• The deltaTime correspondings to the three timeScale values are the same.

• However, the unscaledDeltaTime values are inversely proportional to the three timeScale values are

Environment (please complete the following information):

• Unity Version: Unity 2020.3.23f1c1
• OS + version: MacOs
• ML-Agents version: ML-Agents v0.8, or latest develop branch from source)

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