The next couple of versions will focus in getting reed of any existing issue, then I will resume working on this feature.
I may have found a solution to handle the charge necessary and which might not cost too much.

Once a first beta with basic subscription syncing is available I will study the impact on the servers (and the cost), then I will add more syncing step by step, in order to sync the read status, favorite flag, playback progress, …
Hopefully I’ll be able to add this feature in the free version

The next version will allow to reorder downloads and to pause/resume them.
A first beta will be soon available

Concurrent downloads will be added in a future release

Since v3.27 the download manager as been improved and now displays an ‘error’ tab that will allow you to see a list of the past download failures, allowing you to retry the downloads without having to remember the episodes that failed to download in the first place

Next version will allow you to customize Android Auto controls and provide a playback speed toggle button

I will add a new setting in Settings/Player/Timer called ‘Allways ON’
When enabled it will automatically start the sleep timer using the lastest timer settings when you start playing an episode

Edit: there will be no time range for now

New beta now works differently. When you select a folder containing sub folders, the app asks you if you want to create a single podcast or as many podcasts as there are subfolders.
If you select the later, adding a new subfolder in your device memory later will not automatically create a new virtual podcast in the app