Some window drop shadows look boxy

[Zack Michener]

For some windows, like Chrome and Sublime Text, the drop shadow looks boxy - it doesn't fade smoothly, but abruptly stops.

ProblemType: Bug
DistroRelease: elementary 0.4
Package: elementary-desktop 1.412+467~daily~ubuntu0.4.1 [origin: LP-PPA-elementary-os-daily]
Uname: Linux 4.3.0-wifitest-custom x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CrashDB: elementary_meta
CurrentDesktop: Pantheon
Date: Sat Jun 18 14:46:13 2016
EcryptfsInUse: Yes
InstallationDate: Installed on 2016-06-14 (4 days ago)
InstallationMedia: elementary OS 0.4 "Loki" - Daily amd64 (20160613)
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: elementary-meta
SuspiciousXErrors:

ThirdParty: True
UpgradeStatus: No upgrade log present (probably fresh install)