Marco-Compton bug?

Been liking the new Marco window manager with Compton Compositor. But I do seem to have run into a bug. I use My-Weather-Indicator to show local weather & a clock on my desktop. Now if I use Marco with software compositor, the widget looks normal as in the pic below.

There is no shadow around the widget. However if I use Marco with Compton, there is a shadow around it like below.

In fact, upon first boot, it's solid black, if I enter preferences & pick it again, I get the lighter shade. It doesn't seem to affect Cairo-Dock, and I can undock the widgets on Cairo-Dock to the desktop & no background shade. So I gave Gis Weather a try. Same thing, black fuzzy background where the transparency is supposed to be.

Any ideas why this is happening? Is there a setting somewhere I can tweek? I didn't notice it before because the wallpapers I usually use are dark anyway, but it does look weird on light ones. Hope there's an easy fix (besides using black wallpapers) because videos look a lot better under marco-compton.

Thanks for reading! :v:

Forgot to post system info:

System:    Host: santafe-Dell-Dimension-9150 Kernel: 4.4.0-21-generic x86_64 (64 bit)
           Desktop: MATE 1.12.1  Distro: Ubuntu 16.04 xenial
Machine:   System: Dell product: Dell DXP051 serial: HXOXOX1
           Mobo: Dell model: 0YC523 serial: ..C............S.
           Bios: Dell v: A07 date: 01/08/2007
CPU:       Dual core Intel Pentium D (-MCP-) cache: 2048 KB 
           clock speeds: max: 2992 MHz 1: 2992 MHz 2: 2992 MHz
Graphics:  Card: Advanced Micro Devices [AMD/ATI] Caicos [Radeon HD 6450/7450/8450 / R5 230 OEM]
           Display Server: 1.18.3 drivers: ati,radeon (unloaded: fbdev,vesa)
           tty size: 80x24 Advanced Data: N/A for root
Audio:     Card-1 Advanced Micro Devices [AMD/ATI] Caicos HDMI Audio [Radeon HD 6400 Series]
           driver: snd_hda_intel
           Card-2 Intel NM10/ICH7 Family High Definition Audio Controller
           driver: snd_hda_intel
           Sound: Advanced Linux Sound Architecture v: k4.4.0-21-generic
Network:   Card: Intel 82573L Gigabit Ethernet Controller driver: e1000e
           IF: enp4s0 state: up speed: 1000 Mbps duplex: full
           mac: 00:13:72:09:37:bc
Drives:    HDD Total Size: 1000.2GB (2.8% used)
           ID-1: /dev/sda model: WDC_WD10EADS size: 1000.2GB
Partition: ID-1: / size: 914G used: 23G (3%) fs: ext4 dev: /dev/sda1
           ID-2: swap-1 size: 3.75GB used: 0.00GB (0%) fs: swap dev: /dev/sda5
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: No active sensors found. Have you configured your sensors yet? mobo: N/A gpu: 50.5
Info:      Processes: 181 Uptime: 3 min Memory: 444.5/3510.8MB
           Client: Shell (sudo) inxi: 2.2.35 

Also noticed, I have it set to signal me when I press the Ctrl key, that also has the same problem with the background.

Well I fixed it old school. I went into MATE Tweek & switched to Marco (No composting). I then went into Startup Applications and added a new entry called 0, then in the command box I entered compton -C -G and rebooted. Wala, I have the Marco window manager and compton's running fine with no semi-transparent borders. :smiley:

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