PC - Foreground FPS cap disabled

Issue observed:
The build I updated to on 7 Aug 2025 disables the foreground FPS limiter. I have it set to 30FPS, but with Vsync disabled the Steam FPS counter shows >300FPS. Further, enabling Vsync only sets the FPS to 60.

Previous behavior:
FPS limiter set to 30 and worked regardless of Vsync.

Other notes:
- This could technically be considered a combination break/fix since the FPS limiter should not have been working with Vsync enabled, as per the in-menu tooltip. But breaking the limiter now forces me to use Vsync as a work-around FPS limiter.
- The change causes concerns with heat generation, especially in the summer time. The higher FPS is pretty, but does not significantly improve gameplay since responsiveness is still limited by network speed.

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Technical info

Reference number from in-game /bug
3,931,070,042

Steam info (from Game > Properties > Updates):
App ID 238960
Build ID 19478026
Installed content updated: Aug 6, 2025 at 2115.

Platform:
Manjaro Linux via Proton
-------------------------------------------
Inxi (equivalent of dxdiag):
Spoiler
System:
Kernel: 6.15.7-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 15.1.1
clocksource: tsc
Desktop: Cinnamon v: 6.4.10 tk: GTK v: 3.24.49 wm: Muffin v: 6.4.1 vt: 7
dm: LightDM v: 1.32.0 Distro: Manjaro base: Arch Linux
Machine:
Type: Desktop Mobo: Micro-Star model: MAG B650 TOMAHAWK WIFI (MS-7D75)
v: 1.0 serial: <superuser required> uuid: <superuser required> UEFI: American
Megatrends LLC. v: 1.L0 date: 12/11/2024
CPU:
Info: 8-core model: AMD Ryzen 7 7700X bits: 64 type: MT MCP smt: enabled
arch: Zen 4 rev: 2 cache: L1: 512 KiB L2: 8 MiB L3: 32 MiB
Speed (MHz): avg: 3825 min/max: 403/5576 boost: enabled cores: 1: 3825
2: 3825 3: 3825 4: 3825 5: 3825 6: 3825 7: 3825 8: 3825 9: 3825 10: 3825
11: 3825 12: 3825 13: 3825 14: 3825 15: 3825 16: 3825 bogomips: 144000
Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
Graphics:
Device-1: NVIDIA GB203 [GeForce RTX 5070 Ti] vendor: Gigabyte driver: nvidia
v: 575.64.03 pcie: speed: 5 GT/s lanes: 16 ports: active: none
off: DP-5,HDMI-A-2 empty: DP-4,DP-6 bus-ID: 01:00.0 chip-ID: 10de:2c05
class-ID: 0300
Device-2: Advanced Micro Devices [AMD/ATI] Raphael vendor: Micro-Star MSI
driver: amdgpu v: kernel arch: RDNA-2 pcie: speed: 16 GT/s lanes: 16 ports:
active: none empty: DP-1, DP-2, DP-3, HDMI-A-1, Writeback-1
bus-ID: 10:00.0 chip-ID: 1002:164e class-ID: 0300 temp: 37.0 C
Display: x11 server: X.org v: 1.21.1.18 with: Xwayland v: 24.1.8 driver:
X: loaded: amdgpu,nvidia unloaded: modesetting,nouveau
alternate: fbdev,nv,vesa dri: radeonsi gpu: nvidia,nvidia-nvswitch
display-ID: :0 screens: 1
Screen-1: 0 s-res: 3840x1080 s-size: <missing: xdpyinfo>
Monitor-1: not-matched mapped: DP-3 pos: primary,left res: mode: 1920x1080
hz: 60 scale: 100% (1) dpi: 93 size: 527x296mm (20.75x11.65")
diag: 604mm (23.8") modes: N/A
Monitor-2: not-matched mapped: HDMI-0 pos: right res: mode: 1920x1080
hz: 60 scale: 100% (1) dpi: 93 size: 527x296mm (20.75x11.65")
diag: 604mm (23.8") modes: N/A
API: EGL v: 1.5 hw: drv: nvidia drv: amd radeonsi platforms: device: 0
drv: nvidia device: 2 drv: radeonsi device: 3 drv: swrast gbm: drv: nvidia
surfaceless: drv: nvidia x11: drv: nvidia inactive: wayland,device-1
API: OpenGL v: 4.6.0 compat-v: 4.5 vendor: nvidia mesa v: 575.64.03
glx-v: 1.4 direct-render: yes renderer: NVIDIA GeForce RTX 5070 Ti/PCIe/SSE2
Info: Tools: api: eglinfo,glxinfo gpu: nvidia-settings,nvidia-smi
x11: xprop,xrandr
Audio:
Device-1: NVIDIA driver: snd_hda_intel v: kernel pcie: speed: 32 GT/s
lanes: 16 bus-ID: 01:00.1 chip-ID: 10de:22e9 class-ID: 0403
Device-2: Advanced Micro Devices [AMD/ATI] Radeon High Definition Audio
[Rembrandt/Strix] vendor: Micro-Star MSI driver: snd_hda_intel v: kernel
pcie: speed: 16 GT/s lanes: 16 bus-ID: 10:00.1 chip-ID: 1002:1640
class-ID: 0403
Device-3: Advanced Micro Devices [AMD] Family 17h/19h/1ah HD Audio
vendor: Micro-Star MSI driver: snd_hda_intel v: kernel pcie: speed: 16 GT/s
lanes: 16 bus-ID: 10:00.6 chip-ID: 1022:15e3 class-ID: 0403
Device-4: Micro Star USB Audio driver: hid-generic,snd-usb-audio,usbhid
type: USB rev: 2.0 speed: 480 Mb/s lanes: 1 bus-ID: 1-6:3 chip-ID: 0db0:422d
class-ID: 0300
API: ALSA v: k6.15.7-1-MANJARO status: kernel-api with: aoss
type: oss-emulator
Server-1: JACK v: 1.9.22 status: off
Server-2: PipeWire v: 1.4.6 status: active with: 1: pipewire-pulse
status: active 2: wireplumber status: active 3: pipewire-alsa type: plugin
Network:
Device-1: Realtek RTL8125 2.5GbE vendor: Micro-Star MSI driver: r8169
v: kernel pcie: speed: 5 GT/s lanes: 1 port: c000 bus-ID: 0b:00.0
chip-ID: 10ec:8125 class-ID: 0200
IF: enp11s0 state: up speed: 1000 Mbps duplex: full mac: <filter>
Device-2: Realtek RTL8852CE PCIe 802.11ax Wireless Network
vendor: AzureWave driver: rtw89_8852ce v: kernel pcie: speed: 5 GT/s
lanes: 1 port: b000 bus-ID: 0c:00.0 chip-ID: 10ec:c852 class-ID: 0280
IF: wlp12s0 state: down mac: <filter>
Bluetooth:
Device-1: IMC Networks Bluetooth Radio driver: btusb v: 0.8 type: USB
rev: 1.0 speed: 12 Mb/s lanes: 1 bus-ID: 1-7:4 chip-ID: 13d3:3586
class-ID: e001 serial: <filter>
Report: rfkill ID: hci0 rfk-id: 0 state: down bt-service: enabled,running
rfk-block: hardware: no software: yes address: see --recommends
Drives:
Local Storage: total: 1.82 TiB used: 631.98 GiB (33.9%)
ID-1: /dev/nvme0n1 vendor: Western Digital model: WD BLACK SN770 2TB
size: 1.82 TiB speed: 63.2 Gb/s lanes: 4 tech: SSD serial: <filter>
fw-rev: 731130WD temp: 28.9 C scheme: GPT
Partition:
ID-1: / size: 1.79 TiB used: 631.98 GiB (34.5%) fs: ext4 dev: /dev/nvme0n1p2
ID-2: /boot/efi size: 299.4 MiB used: 320 KiB (0.1%) fs: vfat
dev: /dev/nvme0n1p1
Swap:
Alert: No swap data was found.
Sensors:
System Temperatures: cpu: 40.6 C mobo: 39.5 C
Fan Speeds (rpm): N/A
GPU: device: nvidia screen: :0.0 temp: 42 C fan: 0% device: amdgpu
temp: 38.0 C
Repos:
Packages: 1697 pm: pacman pkgs: 1681 pm: flatpak pkgs: 16
Active pacman repo servers in: /etc/pacman.d/mirrorlist
1: https://mirrors.gigenet.com/manjaro/stable/$repo/$arch
2: https://mirror.math.princeton.edu/pub/manjaro/stable/$repo/$arch
3: https://repo.ialab.dsu.edu/manjaro/stable/$repo/$arch
4: https://mirrors.sonic.net/manjaro/stable/$repo/$arch
5: https://mirrors.ocf.berkeley.edu/manjaro/stable/$repo/$arch
Info:
Memory: total: 32 GiB note: est. available: 30.45 GiB
used: 11.33 GiB (37.2%)
Processes: 439 Power: uptime: 9h 46m states: freeze,mem,disk suspend: deep
wakeups: 0 hibernate: platform Init: systemd v: 257 default: graphical
Compilers: clang: 20.1.8 gcc: 15.1.1 alt: 13/14 Shell: Bash v: 5.3.0
running-in: gnome-terminal inxi: 3.3.38
Last bumped on Aug 7, 2025, 4:13:51 PM

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