#derailleur

so i just did a 1n tour on a 2024 deore m350 but during the second 2hrs, when i shift 12th cog to a high chainring, the chain falls off mid shift and i swear i'm in no danger rn anyone else see this, especially on a 25mm derailleur with a 7" short shifter?

i ran my 23mm front chainring and 44t rear at a 45kph pace. no drop shifters used. the shifter cables feel tight but no weird wobble. idk what i should tweak or if i gotta replace the entire lever.

just want to know if it’s a rare gearing mismatch or i’m just getting frustrated rn. if you got this, drop your fix or guess that i'm just over‑thinking it lol.

okay here's the deal my new shimano xt m8020 derailleur skips in the chain under load when hitting anything with over 5% grades got a 12sp xtr cassette mounted on the pacer but the whole thing just hates pushing hard in big gears tbq i ran 1.8mm chain for "precision" lol and cleaned the cable path but same mess still happening guessing this isn't supposed to happen but not sure if the hang gets me what are y'ALL grinding into when hauling 35lb packs?