Here is the deep cut: The FIFA 18 update on Switch was the canary in the coal mine.
The official lifecycle of the game concluded after these major milestones: fifa 18 rom nintendo switch update
While the game itself played well, the post-launch support was virtually non-existent compared to other consoles. While PS4 players received gameplay patches and visual updates, Switch players were left with the base game. This set the precedent for future FIFA titles on Switch (FIFA 19 through FIFA 24), all of which were labeled "Legacy Editions" featuring little more than roster updates and new menu skins. Here is the deep cut: The FIFA 18
The official update file is named: FIFA 18 [Update][v65536][US][v0].nsp or similar. The title ID is 0100FC000AC44000 (USA) or 0100FC000AC44800 (EUR). This set the precedent for future FIFA titles
For Switch owners, this was the moment the game essentially went into hibernation. If you play it today, you are playing with a snapshot of football history from early 2018. No Mo Salah with his high-rated stats from later that year, no late transfers. The game became a time capsule.