I wonder how this could stay unreported on this repo, but the HIDPI setting is broken for an entire year.

Here, see this thread.

I can conform this on my system, NixOS Plasma.

inxi -Fxz
System:    Kernel: 6.1.57 x86_64 bits: 64 compiler: gcc v: 12.2.0 Desktop: KDE Plasma 5 Distro: NixOS 23.05 (Stoat) 
Machine:   Type: Laptop System: LENOVO product: 82L0 v: Yoga Slim 7 Carbon 14ACN6 serial: <filter> 
           Mobo: LENOVO model: LNVNB161216 v: NO DPK serial: <filter> UEFI: LENOVO v: H5CN39WW date: 03/03/2023 
Battery:   ID-1: BAT0 charge: 29.9 Wh (55.7%) condition: 53.7/61.0 Wh (88.1%) volts: 7.7 min: 7.7 model: Celxpert L20C4PF2 
           status: Discharging 
CPU:       Info: 8-Core model: AMD Ryzen 7 5800U with Radeon Graphics bits: 64 type: MT MCP arch: Zen 3 rev: 0 cache: 
           L2: 4 MiB 
           flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm bogomips: 60683 
           Speed: 1900 MHz min/max: 1600/1900 MHz boost: enabled Core speeds (MHz): 1: 1900 2: 4441 3: 1900 4: 1900 5: 1397 
           6: 1900 7: 1523 8: 1900 9: 1900 10: 1900 11: 1900 12: 1900 13: 1900 14: 1900 15: 1900 16: 1900 
Graphics:  Message: No device data found. 
           Display: x11 server: X.org 1.21.1.8 driver: loaded: N/A resolution: <missing: xdpyinfo> 
           Message: Unable to show advanced data. Required tool glxinfo missing. 
Audio:     Device-1: HD-Audio Generic driver: HDA-Intel message: bus/chip ids unavailable 
           Device-2: HD-Audio Generic driver: HDA-Intel message: bus/chip ids unavailable 
           Device-3: acp driver: acp message: bus/chip ids unavailable 
           Sound Server-1: ALSA v: k6.1.57 running: yes 
           Sound Server-2: PipeWire v: 0.3.71 running: yes 
Network:   Message: No device data found. 
           IF-ID-1: wlp1s0 state: up mac: <filter> 
Bluetooth: Device-1: Realtek Bluetooth Radio type: USB driver: btusb v: 0.8 bus-ID: 3-4:3 
           Report: hciconfig ID: hci0 rfk-id: 4 state: up address: <filter> bt-v: 3.0 lmp-v: 5.2 
Drives:    Local Storage: total: 476.94 GiB used: 19.43 GiB (4.1%) 
           ID-1: /dev/nvme0n1 vendor: SK Hynix model: HFS512GDE9X084N size: 476.94 GiB 
Partition: ID-1: / size: 453.25 GiB used: 19.39 GiB (4.3%) fs: ext4 dev: /dev/nvme0n1p2 
           ID-2: /boot size: 511 MiB used: 35.9 MiB (7.0%) fs: vfat dev: /dev/nvme0n1p1 
Swap:      ID-1: swap-1 type: partition size: 14.87 GiB used: 6.2 MiB (0.0%) dev: /dev/nvme0n1p3 
Sensors:   Missing: Required tool sensors not installed. Check --recommends 
Info:      Processes: 295 Uptime: 11h 43m Memory: 13.52 GiB used: 4.36 GiB (32.2%) Init: systemd Compilers: gcc: N/A 
           Packages: 1488 Shell: Bash v: 5.2.15 inxi: 3.3.04