After the latest update Gwenview takes 20-25 seconds to open on my system.
Click for inxi output
My desktop system.
System: Host: brick Kernel: 5.4.5-arch1-1 x86_64 bits: 64 compiler: gcc v: 9.2.0
Desktop: KDE Plasma 5.17.4 tk: Qt 5.13.2 info: latte-dock wm: kwin_x11 dm: SDDM
Distro: Arch Linux
Machine: Type: Desktop Mobo: Micro-Star model: B450 TOMAHAWK MAX (MS-7C02) v: 1.0
serial: <filter> UEFI: American Megatrends v: 3.30 date: 09/17/2019
CPU: Topology: 6-Core model: AMD Ryzen 5 2600 bits: 64 type: MT MCP arch: Zen+ rev: 2
L2 cache: 3072 KiB
flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
bogomips: 81617
Speed: 1496 MHz min/max: 1550/3400 MHz boost: enabled Core speeds (MHz): 1: 2253
2: 1933 3: 1550 4: 1550 5: 1559 6: 1550 7: 1550 8: 1550 9: 1758 10: 2443 11: 1540
12: 1550
Graphics: Device-1: NVIDIA GK104 [GeForce GTX 770] vendor: eVga.com. driver: nvidia
v: 440.44 bus ID: 26:00.0 chip ID: 10de:1184
Display: x11 server: X.Org 1.20.6 driver: nvidia compositor: kwin_x11 tty: N/A
Message: Unable to show advanced data. Required tool glxinfo missing.
Audio: Device-1: NVIDIA GK104 HDMI Audio vendor: eVga.com. driver: snd_hda_intel
v: kernel bus ID: 26:00.1 chip ID: 10de:0e0a
Device-2: AMD Family 17h HD Audio vendor: Micro-Star MSI driver: snd_hda_intel
v: kernel bus ID: 28:00.3 chip ID: 1022:1457
Device-3: Logitech USB Headset H540 type: USB
driver: hid-generic,snd-usb-audio,usbhid bus ID: 1-4:2 chip ID: 046d:0a37
serial: <filter>
Sound Server: ALSA v: k5.4.5-arch1-1
Network: Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
vendor: Micro-Star MSI driver: r8169 v: kernel port: f000 bus ID: 22:00.0
chip ID: 10ec:8168
IF: enp34s0 state: up speed: 1000 Mbps duplex: full mac: <filter>
Drives: Local Storage: total: 5.91 TiB used: 1.30 TiB (22.0%)
ID-1: /dev/sda vendor: Samsung model: SSD 860 EVO 1TB size: 931.51 GiB
speed: 6.0 Gb/s serial: <filter> rev: 2B6Q scheme: MBR
ID-2: /dev/sdb vendor: Crucial model: CT500MX500SSD1 size: 465.76 GiB
speed: 6.0 Gb/s serial: <filter> rev: 022 scheme: MBR
ID-3: /dev/sdc vendor: Seagate model: ST5000DM000-1FK178 size: 4.55 TiB
speed: 6.0 Gb/s rotation: 5980 rpm serial: <filter> rev: CC48 scheme: GPT
Partition: ID-1: / size: 57.42 GiB used: 17.02 GiB (29.6%) fs: ext4 dev: /dev/sda2
ID-2: /home size: 842.36 GiB used: 158.61 GiB (18.8%) fs: ext4 dev: /dev/sda3
ID-3: swap-1 size: 15.62 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sda4
Sensors: System Temperatures: cpu: 39.5 C mobo: 33.0 C gpu: nvidia temp: 36 C
Fan Speeds (RPM): fan-1: 0 fan-2: 1068 fan-3: 727 fan-4: 0 fan-5: 1109 fan-6: 1104
gpu: nvidia fan: 41%
Info: Processes: 282 Uptime: 11m Memory: 15.65 GiB used: 1.83 GiB (11.7%) Init: systemd
v: 244 Compilers: gcc: 9.2.0 Shell: bash v: 5.0.11 running in: konsole
inxi: 3.0.37
There is a KDE bug filed since August:
https://bugs.kde.org/show_bug.cgi?id=411196
As a temporary solution I downgraded Gwenview.
From: gwenview-19.12.0-1-x86_64.pkg.tar.xz
To: gwenview-19.08.3-1-x86_64.pkg.tar.xz
And the delay is gone. Hopefully KDE/Plasma can fix this slowness quickly, although I’m not holding my breath.