Furthermore, any submissions can't be retrieved or cancelled.

Any time you make a change to your app while a review is already pending will mean the review period starts over. Please note that after you submit a new app or an update to an existing app on your Play Console, it can take some time for your app to be processed for publishing on Google Play. I understand you have some concerns about app pending issue. On the dashboard, there is an announcement as shown below but I cannot see anywhere the 'status' of the app i.e. When they click on that link, its either just infinite loading or a message to say the requested URL was not found on this server. Issue is that when a tester clicks on the link, they opt in the 'programme' and have an option to download it on google play. AAB file then in the latest release I uploaded the. Note this is the second release i 'tried' to see if there will be any difference I first uploaded a. I just want this app to be available to certain users.

I have an app published to Google Play Console for Internal Testing i.e.