A new subconvex bound for $\rm GL(3)$ $L$-functions in the $t$-aspect

We revisit Munshi's proof of the $t$-aspect subconvex bound for $\rm GL(3)$ $L$-functions, and we are able to remove the `conductor lowering' trick. This simplification along with a more careful stationary phase analysis allows us to improve Munshi's bound to, $L(1/2+it, π) \ll_{π, ε} (1+|t|)^{3/4-3/40+ε}.$

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