Fails with the new glibc release here:

https://build.opensuse.org/package/live_build_log/openSUSE:Factory:Staging:C/kuserfeedback/standard/x86_64

with:

[  140s]       Start  6: feedbackconfigtest
[  140s]  6/17 Test  #6: feedbackconfigtest ...............***Failed    0.15
sec
[  140s] ********* Start testing of FeedbackConfigTest *********
[  140s] Config: Using QtTest library 5.15.0, Qt 5.15.0
(x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 10.2.1
20200805 [revision dda1e9d08434def88ed86557d08b23251332c5aa])
[  140s] PASS   : FeedbackConfigTest::initTestCase()
[  140s] FAIL!  : FeedbackConfigTest::testTelemetrySettings() 'telemetrySlider'
returned FALSE. ()
[  140s]    Loc:
[/home/abuild/rpmbuild/BUILD/kuserfeedback-1.0.0/autotests/feedbackconfigtest.cpp(60)]
[  140s] FAIL!  : FeedbackConfigTest::testSurveySettings() 'slider' returned
FALSE. ()
[  140s]    Loc:
[/home/abuild/rpmbuild/BUILD/kuserfeedback-1.0.0/autotests/feedbackconfigtest.cpp(83)]
[  140s] PASS   : FeedbackConfigTest::cleanupTestCase()
[  140s] Totals: 2 passed, 2 failed, 0 skipped, 0 blacklisted, 108ms
[  140s] ********* Finished testing of FeedbackConfigTest *********