Display issue in the Transit app (com.thetransitapp.droid)

The route is not displayed on the map in the Transit app (com.thetransitapp.droid)

On my FP6 /e/os 3.4, no route displayed between my starting point and my destination:

On my Galaxy S10+ Android Google, no issue, route displayed between my starting point and my destination:

I can reproduce this in a test. I notice the app uses MapLibre. You might check this MapLibre forum search. You might follow the advice on one or two of these threads to collect a logcat. There seem to be one or two different issues.

Response from Transit app support:

Unfortunately, if you don’t use Google Play services on your phone, the map layer on Transit may not work correctly.
At the moment we don’t plan to provide support for phones without Play Services.

This issue has already been reported on MicroG’s GitHub:

I have reported this to Murena a while ago: https://gitlab.e.foundation/e/backlog/-/issues/8626. So far, no updates.