Before mending, it was predenominant to repair the armor but now it does not distribute all the experience with the player and this makes repairing annoying and tedious since now it takes a long time to repair. I hope I put it as before since before it was very good and imagine not having a good xp farm, it would take a long time to repair something.
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We're tracking this issue in MCPE-120119, so this ticket is being resolved and linked as a duplicate.
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