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SUMMARY
Operating System: openSUSE Tumbleweed 20241224
KDE Plasma Version: 6.2.4
KDE Frameworks Version: 6.9.0
Qt Version: 6.8.1
Kernel Version: 6.12.6-1-default (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-10510U CPU @ 1.80GHz
Memory: 19.2 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics
Manufacturer: LENOVO
Product Name: 81TK
System Version: Lenovo IdeaPad C340-14IML

STEPS TO REPRODUCE
1. Discover Software Centre
2. Updates available
3. KDE Application platform Refresh of version 6.6
4. Update all

OBSERVED RESULT
Signature verification for Repository KDE:Unstable:Qt failed

EXPECTED RESULT
Update to be applied and update to be removed from Application Support page

SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20241224
KDE Plasma Version: 6.2.4
KDE Frameworks Version: 6.9.0
Qt Version: 6.8.1
Kernel Version: 6.12.6-1-default (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-10510U CPU @ 1.80GHz
Memory: 19.2 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics
Manufacturer: LENOVO
Product Name: 81TK
System Version: Lenovo IdeaPad C340-14IML


ADDITIONAL INFORMATION
I have manually updated to most recent version through the terminal but the above issue persists. Not really affecting any other software.