It looks like at some point recently the old method to allow debugging of app triggers in tulip player was disabled, in which you could open the chrome developer console during a Tulip Player session and run
$t.Debug.debugTriggers = true to get access to a wealth of debugging information for triggers running in an app:
Trying this now results only in a flood of errors:
Did this get moved behind a feature flag or changed to something else? This is a critical part of how our developers debug unexpected app behavior, without it we have no way to debug connector function failures or other errors.