No apologies needed Fabby, thanks for editing.
System: Host: timjaro Kernel: 5.4.18-1-MANJARO x86_64 bits: 64 compiler: gcc v: 9.2.0 Desktop: KDE Plasma 5.17.5
tk: Qt 5.14.1 wm: kwin_x11 dm: SDDM Distro: Manjaro Linux
Machine: Type: Desktop Mobo: ASUSTeK model: STRIX Z270I GAMING v: Rev X.0x serial: <filter> UEFI: American Megatrends
v: 0234 date: 01/05/2017
Memory: RAM: total: 15.58 GiB used: 2.99 GiB (19.2%)
RAM Report: permissions: Unable to run dmidecode. Root privileges required.
CPU: Topology: Quad Core model: Intel Core i5-7500 bits: 64 type: MCP arch: Kaby Lake rev: 9 L2 cache: 6144 KiB
bogomips: 27208
Speed: 800 MHz min/max: 800/3800 MHz Core speeds (MHz): 1: 800 2: 800 3: 800 4: 800
Flags: 3dnowprefetch abm acpi adx aes aperfmperf apic arat arch_perfmon art avx avx2 bmi1 bmi2 bts clflush
clflushopt cmov constant_tsc cpuid cpuid_fault cx16 cx8 de ds_cpl dtes64 dtherm dts ept ept_ad erms est f16c
flexpriority fma fpu fsgsbase fxsr hle ht hwp hwp_act_window hwp_epp hwp_notify ida intel_pt invpcid invpcid_single
lahf_lm lm mca mce mmx monitor movbe mpx msr mtrr nonstop_tsc nopl nx pae pat pbe pcid pclmulqdq pdcm pdpe1gb pebs
pge pln pni popcnt pse pse36 pti pts rdrand rdseed rdtscp rep_good rtm sdbg sep smap smep smx ss sse sse2 sse4_1
sse4_2 ssse3 syscall tm tm2 tpr_shadow tsc tsc_adjust vme vmx vnmi vpid x2apic xgetbv1 xsave xsavec xsaveopt xsaves
xtopology xtpr
Graphics: Device-1: NVIDIA GP104 [GeForce GTX 1080] vendor: ZOTAC driver: nvidia v: 440.59 bus ID: 01:00.0 chip ID: 10de:1b80
Display: x11 server: X.Org 1.20.7 driver: nvidia compositor: kwin_x11 tty: N/A
OpenGL: renderer: GeForce GTX 1080/PCIe/SSE2 v: 4.6.0 NVIDIA 440.59 direct render: Yes
Audio: Device-1: Intel 200 Series PCH HD Audio vendor: ASUSTeK driver: snd_hda_intel v: kernel bus ID: 00:1f.3
chip ID: 8086:a2f0
Device-2: NVIDIA GP104 High Definition Audio vendor: ZOTAC driver: snd_hda_intel v: kernel bus ID: 01:00.1
chip ID: 10de:10f0
Device-3: HA INFO PHIREE U2SX type: USB driver: hid-generic,snd-usb-audio,usbhid bus ID: 1-4:5 chip ID: 262a:1038
Device-4: RODE Microphones RODE NT-USB type: USB driver: hid-generic,snd-usb-audio,usbhid bus ID: 1-10:7
chip ID: 19f7:0003
Sound Server: ALSA v: k5.4.18-1-MANJARO
Network: Device-1: Intel Ethernet I219-V vendor: ASUSTeK driver: e1000e v: 3.2.6-k port: f000 bus ID: 00:1f.6
chip ID: 8086:15b8
IF: enp0s31f6 state: down mac: <filter>
Device-2: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter vendor: ASUSTeK driver: ath10k_pci v: kernel
port: e000 bus ID: 03:00.0 chip ID: 168c:003e
IF: wlp3s0 state: up mac: <filter>
IP v4: <filter> type: dynamic noprefixroute scope: global broadcast: <filter>
IP v6: <filter> type: deprecated dynamic noprefixroute scope: global
IP v6: <filter> type: dynamic noprefixroute scope: global
IP v6: <filter> type: noprefixroute scope: link
WAN IP: <filter>
Drives: Local Storage: total: 801.12 GiB used: 132.10 GiB (16.5%)
ID-1: /dev/nvme0n1 vendor: Samsung model: SSD 960 EVO 500GB size: 465.76 GiB speed: 31.6 Gb/s lanes: 4
serial: <filter> rev: 3B7QCXE7 scheme: GPT
ID-2: /dev/sda vendor: Intel model: SSDSC2BW240A4 size: 223.57 GiB speed: 6.0 Gb/s serial: <filter> rev: DC32
scheme: MBR
ID-3: /dev/sdb vendor: Intel model: SSDSC2BW120A4 size: 111.79 GiB speed: 6.0 Gb/s serial: <filter> rev: DC32
scheme: GPT
Message: No Optical or Floppy data was found.
RAID: Message: No RAID data was found.
Partition: ID-1: / size: 58.77 GiB used: 8.41 GiB (14.3%) fs: ext4 dev: /dev/nvme0n1p3 label: Manjaro OS
uuid: 4ccbf41b-8c27-4d0e-a048-4db7eb6f6cce
ID-2: /boot/efi size: 511.0 MiB used: 4.1 MiB (0.8%) fs: vfat dev: /dev/nvme0n1p1 label: EFI uuid: 6D98-FB98
ID-3: /home size: 392.74 GiB used: 123.68 GiB (31.5%) fs: ext4 dev: /dev/nvme0n1p4 label: Home
uuid: 1780171d-8164-457f-8cbf-629d42e3330e
ID-4: swap-1 size: 5.27 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/nvme0n1p2 label: N/A
uuid: 529175ec-4beb-45f2-9e2a-4b069ac7c2f1
Unmounted: ID-1: /dev/sda1 size: 223.57 GiB fs: ntfs label: Intel SSD uuid: A6DC887DDC884A0F
ID-2: /dev/sdb1 size: 71.0 MiB fs: ntfs label: Recovery uuid: CAE45630E4561ECF
ID-3: /dev/sdb2 size: 98.0 MiB fs: vfat label: N/A uuid: 2A58-C858
ID-4: /dev/sdb3 size: 16.0 MiB fs: <root required> label: N/A uuid: N/A
ID-5: /dev/sdb4 size: 110.59 GiB fs: ntfs label: Windows OS uuid: 90E25C0DE25BF646
ID-6: /dev/sdb5 size: 1.01 GiB fs: ntfs label: N/A uuid: DCDCA62BDCA5FFBE
USB: Hub: 1-0:1 info: Full speed (or root) Hub ports: 16 rev: 2.0 speed: 480 Mb/s chip ID: 1d6b:0002
Device-1: 1-1:2 info: Laview Mionix Avior 7000 type: Mouse,HID driver: hid-generic,usbhid interfaces: 2 rev: 2.0
speed: 12 Mb/s chip ID: 22d4:1308 serial: <filter>
Device-2: 1-2:3 info: Cherry wired keyboard type: Keyboard,HID driver: hid-generic,usbhid interfaces: 2 rev: 2.0
speed: 1.5 Mb/s chip ID: 046a:0180
Hub: 1-3:4 info: Realtek 4-Port USB 2.0 Hub ports: 4 rev: 2.1 speed: 480 Mb/s chip ID: 0bda:5411
Hub: 1-3.1:6 info: Realtek Mionix Avior 7000 ports: 4 rev: 2.1 speed: 480 Mb/s chip ID: 0bda:5411
Device-3: 1-4:5 info: HA INFO PHIREE U2SX type: HID,Audio driver: hid-generic,snd-usb-audio,usbhid interfaces: 3
rev: 1.1 speed: 12 Mb/s chip ID: 262a:1038
Device-4: 1-10:7 info: RODE Microphones RODE NT-USB type: Audio,HID driver: hid-generic,snd-usb-audio,usbhid
interfaces: 4 rev: 1.1 speed: 12 Mb/s chip ID: 19f7:0003
Device-5: 1-11:8 info: ASUSTek Qualcomm Bluetooth 4.1 type: Bluetooth driver: btusb interfaces: 2 rev: 1.1
speed: 12 Mb/s chip ID: 0b05:1825
Hub: 2-0:1 info: Full speed (or root) Hub ports: 10 rev: 3.0 speed: 5 Gb/s chip ID: 1d6b:0003
Hub: 3-0:1 info: Full speed (or root) Hub ports: 2 rev: 2.0 speed: 480 Mb/s chip ID: 1d6b:0002
Hub: 4-0:1 info: Full speed (or root) Hub ports: 2 rev: 3.1 speed: 10 Gb/s chip ID: 1d6b:0003
Sensors: System Temperatures: cpu: 37.0 C mobo: N/A gpu: nvidia temp: 36 C
Fan Speeds (RPM): N/A gpu: nvidia fan: 39%
Info: Processes: 222 Uptime: 6h 14m Init: systemd v: 242 Compilers: gcc: 9.2.0 Shell: bash v: 5.0.11 running in: yakuake
Here is the output from the command you mentioned.
The issue occurred after the 19.0.1 stable update (28/02/20). I also noticed that there were changes to the Alsa packages in the update.
I have since reinstalled and moved back to 19.0 and the game runs as it did prior to the update.