Wanna know what would have worked MUCH better? After the jump the imperials follow and the Rebels discover that there was a tracking device installed upon their ships. Multiple ones upon all three. They have no idea who the traitor is so Leia puts her plan on a need-to-know basis. Poe gets upset because they don't tell him and, instead, put heavy suspicion on Finn and several of his pilots. Finn, eager to clear his name, starts trying to investigate on his own only to meet Rose, a technician who just lost her sister in the battle. Rose seems to be on his side and believes he's being unfairly targeted because he was in a coma. She claims she's helping him out as she searches the ship.
Rose discovers that there have been multiple imperial spies whom have slipped aboard. Meanwhile one of them, a former female stormtrooper companion, approaches Finn and tries to convert him back to the imperial side, pulling on old friendship and romantic ties. Meanwhile Poe believes he's found all the spies and is certain no one in his squad or Finn are guilty and, when Leia and Akbar claim they suspect otherwise, he gets furious and stages his little insurrection. He demands that they jump to hyperspace thinking the ships are clean. They do so only for the imperials to follow and, before they can get shields back up, they blast the two other ships.
It turns out Rose is the final spy. She had planted a new tracker because she was furious at Poe, believing he had let her sister die, and the Rebels in general for allowing such decadence as that casino planet to prosper. Upon discovering the spies she had joined them in the hopes of ending what she saw as one of two corrupt organizations and believing that the imperials couldn't be as bad as they were 'in the old stories'. The damage is done however and they have to evacuate ship. Akbar chose this warp point, however, because there was an abandoned rebel base. He had intended to use it only until repairs and refueling could be completed but it looks like they need to make a stand here as well.
Rose is imprisoned until she can be properly put on trial but, while in her cell, is revisited by the memories of her sister. She realizes that she's lived her life in a constant state of rage and never moved on past the abuse in her childhood, unlike her sister. Her cell is damaged during the walker assault and she slips out, finding one of those damaged mono-ski thingies and repairing it enough to get it running. She then shoots out onto the battlefield to try and stop that laser ram. However Finn is shot down in his own run. Rose realizes that even her decision to ram the imperial ram is fueled by rage and finally starts to grow past her past and rescues Finn instead.
Not going to claim it's 'better' because it's literally made up on the fly; but no stupid Holdo, no dumb codebreaker thingy, things are kept neat and tight, reasons for their decisions beyond 'the plot demands it', and Rose comes off as an actual person instead of a diversity hire.
That would be better, but they could have skipped Rose and Finns part completely and shorten the ship down to like the first 3rd of the movie and it should have helpeda lot ---
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