Many aspects of Young Justice (2010) were fixed in the revival seasons.
- A complaint some had about the many characters that were introduced in Invasion, was that many of them were dumped in rather haphazardly, especially prominent with the second iteration of the Team. It introduced seven, later up to nine, new Team members but of them only Blue Beetle and Impulse got a lot of focus, giving the impression that the others were kind of just "there" in the midst of the large cast (it didn't help that Executive Meddling cut Invasion to 20 episodes from the planned 26). Now, while Outsiders also introduces many characters in the first few episodes, many of them are cameos until later, while the three big new additions to the main cast in the early episodes — Black Lightning, Geo-Force and Halo, are given proper development before focusing on new and other cast members. Same could be said for later recruits Forager and Cyborg, both of whom are very well-developed after their first appearance.
- Terra being The Mole is made clear at the end of her debut episode, showing that the writers are aware that this plot point is already well-known as opposed to kicking around it.
- The irony with the above is most, if not all, of the heroes are ALSO aware from the very beginning that Terra is The Mole compared to most versions where no matter how explicitly evil she is, they're completely unaware and blindsided. The changes allow the viewers to get a look into Terra's mindset and understand why she is willing to spy for Slade (and why she ultimately turns on him when she realizes the heroes truly care about her) and also allows the heroes to seem far more intelligent.
- It was a very common complaint among fans that The Light in the first two seasons often bordered on, or were, Invincible Villains, with even the hardest fought victories ultimately resulting in them gaining some kind of benefit that negated whatever the loss they incurred. The second half of the season has Zatanna cleverly trap Klarion in Fate's Tower (though he escaped off-screen by the last episodes of the season, including the season 3 finale, as Greg Weisman confirmed he eventually found a way out) and in the next episode has the Outsiders outmaneuver Lex Luthor, resulting in him being humiliated on live television and leaves him raging, as well as establishing that Luthor does, in fact, share some of his comic counterpart's pettiness and greed, and despite previous statements to the contrary, isn't above getting revenge when someone actually manages to hurt him. This continues when Superboy, Superman, Cyborg, and Black Lightning also force him to resign from the position of Secretary-General due to evidence found via Terra's earpiece, although possibly due to Joker Immunity, he isn't removed from the Light because of this. This further continues in season 4 when Vandal Savage's plan to install a clone body of Arion with Ocean Master's mind backfires when Arion's crown destroys the impostor and he is left raging.
- After the controversial Harper/Violet kiss as the show's first romantic LGBT depiction (which was criticized for feeding into stereotypes about attraction between women), "Quiet Conversations" would delve into Harper's background to provide context for her actions, give Violet time to herself to properly address her own identity issues, and provide positive LGBT depiction with the reveal that Kaldur and Wyynde are a couple (helped that Kaldur being LGBT was something originally intended but was meddled by Cartoon Network in the show's initial run) as well as having the two explicitly showing affection to each other onscreen.
- Many were upset at the end of season 2 with M'gann and Connor getting back together while the issue of her brainwashing him being remained unresolved. The prequel comic for Outsiders has her feeling guilty over it and asks him forgiveness.
- As a whole, one of the main criticisms of the Outsiders season was the way most of the surviving Season 1 characters were left Out of Focus in favor of both the new heroes in Nightwing's team and later the titular Outsiders. Season 4 recenters the focus on the original members of the Team, with the first arc revolving around Miss Martian and Superboy, the second on Artemis, the third on Zatanna, the fourth on Kaldur (now the new Aquaman), and the fifth on Rocket. And despite this, newer characters like Orphan, Onyx, Khalid Nassour and Mary Bromfield also still get a decent amount of screentime and development.
- Seasons 2 and 3 saw a lot of criticism regarding Miss Martian's characterization, with many finding her Unintentionally Unsympathetic. Here she's closer to her season 1 characterization and more focus is put on her background, allowing for more audience sympathy. Although some fans feel she's still a Karma Houdini in regards to her actions and behaviors in the previous two seasons.
- Going off of the above, part of why she was viewed as Unintentionally Unsympathetic in the first place was the callous way she began using her mental powers, with the most damning moment being an off-screen attempt to edit Superboy's memories between seasons 1 and 2. Many fans were particularly annoyed with how she insisted she no longer used her powers in such a way in season 3, only to afterwards trick Artemis into believing she was speaking to Wally's spirit in a mismanaged attempt to get her friend to move on from his apparent death. Here, her younger brother M'Comm confirms that he can tell she's no longer willing to do so while the two have an established mental link. ...However even this was met with uneasiness by members of the fanbase, who fear it may be an Informed Attribute, as the show has tried to push this perspective only for her to do something to show otherwise before.
- Fans of Madame Xanadu who detested her status as an Adaptational Wimp were ecstatic of her return to Zatanna's arc now as a full-fledged magic-wielder.
- A major criticism of Halo in season 3 was that despite wearing a hijab, they had no connection to the Islamic religion practiced by the girl whose body they now inhabits, leaving them as surface level Muslim representation at best (in contrast to characters like Marvel's Kamala Khan, who has a much more tangible connection to her faith). Season 4 introduces the Muslim character Khalid Nassour as one of Zatanna's new apprentices, with the episode "Teg Ydaer!” exploring his connection to Islam in a much more meaningful manner.
- Also, Halo admits that their hijab is just a remnant of Gabrielle's personality, and they want to start exploring Islam to see if it holds any meaning for them as well.
- Another criticism about their character was that they openly said they didn't feel like a woman or a man, but other characters continued to refer to them with feminine pronouns. Here they officially come out as non-binary, and begin using the more neutral they/them pronouns.
- The Reveal on how Barbara was paralyzed in this continuity is considered to be handled much better than in the comics, as while her resulting Oracle persona is much beloved, the actual events leading up to it are viewed as having been very sexist. In The Killing Joke she's shot and then humiliated by the Joker in order to torture her father and Batman for the sake of their character development and plotlines. Here, she instead puts herself at risk in order to prevent Cass from becoming a killer, which gives her character far more agency than she received in The Killing Joke, where her treatment bordered heavily on the Stuffed into the Fridge trope.
- The bizarre voice Khary Payton gave Rocket's son Amistad Ervin in season 3 is replaced with a higher voice from an actual child, Kurtis Mansfield, more befitting of a toddler in season 4.
