Desktop effects stopped working after latest update on my KDE-Plasma

hi,
Tried every desktop effects(wobbly window, magic lamp and etc....) , but nothing is working and it was working fine before update.
i have amd-gpu installed and openGl shows like this ( OpenGL: renderer: llvmpipe (LLVM 8.0 256 bits) v: 3.3 Mesa 19.1.1 ).
compositor is enabled.

And this is the o/p of glxinfo | grep -i opengl

OpenGL vendor string: VMware, Inc.
OpenGL renderer string: llvmpipe (LLVM 8.0, 256 bits)
OpenGL core profile version string: 3.3 (Core Profile) Mesa 19.1.1
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.1 Mesa 19.1.1
OpenGL shading language version string: 1.40
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 19.1.1
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
OpenGL ES profile extensions:

Can somebody please help to fix this..
Thank you.

$ inxi -Fxxxz

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(Text was copied from @ linux-aarhus)

System:    Host: sky Kernel: 5.0.21-rt14-MANJARO x86_64 bits: 64 compiler: gcc v: 9.1.0 Desktop: KDE Plasma 5.16.2 
           tk: Qt 5.12.4 wm: kwin_x11 dm: SDDM Distro: Manjaro Linux 
Machine:   Type: Laptop System: Dell product: Inspiron 5559 v: N/A serial: <filter> Chassis: type: 10 serial: <filter> 
           Mobo: Dell model: 04D1V1 v: A00 serial: <filter> UEFI [Legacy]: Dell v: 1.7.0 date: 05/10/2019 
Battery:   ID-1: BAT0 charge: 9.7 Wh condition: 10.5/41.4 Wh (25%) volts: 17.2/14.8 model: SMP DELL VN3N047 type: Li-ion 
           serial: <filter> status: Charging 
CPU:       Topology: Dual Core model: Intel Core i5-6200U bits: 64 type: MT MCP arch: Skylake rev: 3 L2 cache: 3072 KiB 
           flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 19200 
           Speed: 800 MHz min/max: 400/2800 MHz Core speeds (MHz): 1: 800 2: 800 3: 800 4: 800 
Graphics:  Device-1: Intel Skylake GT2 [HD Graphics 520] vendor: Dell driver: i915 v: kernel bus ID: 00:02.0 
           chip ID: 8086:1916 
           Device-2: AMD Sun XT [Radeon HD 8670A/8670M/8690M / R5 M330 / M430 / Radeon 520 Mobile] vendor: Dell driver: radeon 
           v: kernel bus ID: 01:00.0 chip ID: 1002:6660 
           Display: x11 server: X.Org 1.20.5 driver: vesa compositor: kwin_x11 resolution: 1368x768~N/A 
           OpenGL: renderer: llvmpipe (LLVM 8.0 256 bits) v: 3.3 Mesa 19.1.1 compat-v: 3.1 direct render: Yes 
Audio:     Device-1: Intel Sunrise Point-LP HD Audio vendor: Dell driver: snd_hda_intel v: kernel bus ID: 00:1f.3 
           chip ID: 8086:9d70 
           Sound Server: ALSA v: k5.0.21-rt14-MANJARO 
Network:   Device-1: Intel Wireless 3160 driver: iwlwifi v: kernel port: e000 bus ID: 02:00.0 chip ID: 8086:08b3 
           IF: wlp2s0 state: up mac: <filter> 
           Device-2: Realtek RTL810xE PCI Express Fast Ethernet vendor: Dell driver: r8169 v: kernel port: d000 
           bus ID: 03:00.0 chip ID: 10ec:8136 
           IF: enp3s0 state: down mac: <filter> 
Drives:    Local Storage: total: 931.51 GiB used: 29.36 GiB (3.2%) 
           ID-1: /dev/sda vendor: Seagate model: ST1000LM024 HN-M101MBB size: 931.51 GiB speed: 6.0 Gb/s rotation: 5400 rpm 
           serial: <filter> rev: 0004 scheme: MBR 
Partition: ID-1: / size: 19.56 GiB used: 12.87 GiB (65.8%) fs: ext4 dev: /dev/sda5 
           ID-2: /home size: 20.37 GiB used: 16.50 GiB (81.0%) fs: ext4 dev: /dev/sda7 
           ID-3: swap-1 size: 8.00 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sda6 
Sensors:   System Temperatures: cpu: 48.0 C mobo: 44.0 C sodimm: 41.0 C gpu: radeon temp: 45 C 
           Fan Speeds (RPM): cpu: 0 
Info:      Processes: 188 Uptime: 48m Memory: 7.50 GiB used: 2.14 GiB (28.6%) Init: systemd v: 242 Compilers: gcc: 9.1.0 
           Shell: bash v: 5.0.7 running in: konsole inxi: 3.0.34 

SORRY THIS IS MY 1ST POST IN THIS FORUM.

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No problem, we all start sometimes :wink: ,and welcome :slight_smile: .

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You use Realtime kernel, why?
You try other kernel to fix this problem?

OKAY i'll try LTS one (4.19.56-1). Is that fine?

Yes, or 5.1.16-1

It's not there. There is this 5.1.15-1. is that fine?

Yes, sorry I am on unstable with other kernel :wink:

Tried both 4.19.56-1 and 5.1.15-1, but still having the same issue.

Try resetting the Compositor. Turn it off, apply it. Then re-apply it.
Also, try switching between the different openGL setting (2.0 and 3.1), or try xrender.
See if that will slap it into cooperating. :slight_smile:

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Tried. But still it didn't help. :frowning_face:

Install kwin-lowlatency from aur and check.

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Installed and restarted but still same.

Okay do this.
Remove or move ~/.config

Create new user

First sorry for this late reply. I was in a vacation.

Okay done that. I created a new user after installing kwin-lowlatency but still nothing changed :frowning_face: .

Btw i have a doubt... i can only see these wobbly window, magic lamp and etc.. effects after unchecking "Exclude desktop effects not supported by the compositor". Is that a problem?

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