My grease pencil strokes are all jagged/low quality in both the viewport and basic rendering.
I tried increasing smoothness on all stroke sliders in the GP Options panel, and changing render engines with no luck.
Here’s a screencast, but it’s perhaps not as evident in the reduced quality video to post on here:
In some cases, closer up they appear less low quality.
I’m using Blender 2.8 …2c261b branch: Blender 2.7, on an NVIDIA GeForce 750m on OSX 10.14.3.