Here is a very simple problem. 100% reproduceable. I started 3 careers and it happened each time.

This is my transfer menu on June 29th at the end of the 1st season. As can be seen I have signed in january 7 players which were end of contract in june and should arrive in my team on 1st day of the next transfer window, i.e. July 1st.

And here is the same transfer menu of the same game on July 1st :

NOTHING MORE !!!

So PLEASEPLEASEPLEASE someone from EA explain me this is an acceptable issue and I should not ask for a refund for the game, because from my point of view the career mode as is is unplayable !

I bought the game 1st day and reported this bug in the forum on october 2nd ! Here the full detail :

Product: FIFA 20
Platform:Playstation 4
What is your gamertag/PSN ID? Kaadji81
Which mode has this happened in? Career Mode
Which part of the mode? Career mode - manager
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? Sign off transfer deals (arrivals, departure as well as pre-contract agreements during the non-transfer window. Then arrives the last day of the season and click on go to next season.
What happens when the bug occurs? The new season loads and all of the signing have disappeared. Players that should have been gone on transfer or loans are still in your team and players that you had signed off have joined other teams.
What should be happening instead? Transfer agreements should be kept from one season to the next.

I am really looking forward an answer on this one !