Mate puts about a quarater-inch black border around all applications on desktop.

[Robert Dinse]

In 19.10, the mate desktop is adding an extra border around all applications, black, about 1/4 inch.
Not happening in 19.04. Using Marco Adaptive compositor. See attached screenshot.

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: mate-desktop-environment (not installed)
ProcVersionSignature: Ubuntu 5.3.0-13.14-lowlatency 5.3.0
Uname: Linux 5.3.0-13-lowlatency x86_64
ApportVersion: 2.20.11-0ubuntu7
Architecture: amd64
CurrentDesktop: MATE
Date: Sun Sep 29 10:34:16 2019
InstallationDate: Installed on 2019-09-29 (0 days ago)
InstallationMedia: Ubuntu-MATE 19.10 "Eoan Ermine" - Beta amd64 (20190929)
SourcePackage: mate-desktop-environment
UpgradeStatus: No upgrade log present (probably fresh install)