Arsenal will only do better next season by signing more players, they shouldn’t rely on the players they used last season. We saw how exhausted they were at the end of the season. The mistake they made last season was to rely on their attacking players, that wasn’t the players we saw from the beginning of the season, they found it difficult to create more chances to score a goal, but if they can get more players, im sure they will go far next season.
However, you can’t just jump into conclusions right now after what they did last season. Winning the Premier League alone isn’t enough to believe they will do better next season. Other big clubs will also strengthen their squad with more talented players in order to go for the Champions League next season, we can see how each team is busy signing players.
Arsenal's defense looks solid. But you are correct, more players are needed to reduce fatigue and injuries. Players become more prone to injuries when they play more games. The club had many challenges in the attack due to injuries. Therefore, there is a need to reinforce the attacking section of the club with quality players.
Mikel Arteta should have identified players who will be offloaded and those who will be added to the squad.
The attacking line will be Arteta's focus next season. Several names have been mentioned by the media as Arteta's pursuit of their signatures. However, there's no definitive confirmation yet on the players they're targeting, as the media can always twist facts to attract readers to their websites.
Yes, given Arsenal's progress, they certainly won't make major changes to the squad, as most of their players are still very young and ready to perform optimally in every match. To guard against injuries, Arteta may only need to move to secure one or three new players for each gap he deems necessary to address to start next season on a positive note.