After re-testing the issue in MDEV-15042 it would appear it is unfortunately still not fixed.
I tried the test case in the referenced issue with 10.2.13 and 10.2.18 (from mariadb.com repos), both of which still seem to produce the wrong response.
{"report":{"fcp":992.9000000953674,"ttfb":359,"pageVisibility":"visible","entityId":70398,"key":"jira.project.issue.view-issue","isInitial":true,"threshold":1000,"elementTimings":{},"userDeviceMemory":8,"userDeviceProcessors":64,"apdex":0.5,"journeyId":"d6f0a985-0be9-40d1-b61d-66f0e5b01f49","navigationType":0,"readyForUser":1067.1999998092651,"redirectCount":0,"resourceLoadedEnd":1229.6999998092651,"resourceLoadedStart":364.69999980926514,"resourceTiming":[{"duration":82.30000019073486,"initiatorType":"link","name":"https://jira.mariadb.org/s/2c21342762a6a02add1c328bed317ffd-CDN/lu2cib/820016/12ta74/0a8bac35585be7fc6c9cc5a0464cd4cf/_/download/contextbatch/css/_super/batch.css","startTime":364.69999980926514,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":364.69999980926514,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":447,"responseStart":0,"secureConnectionStart":0},{"duration":82.90000009536743,"initiatorType":"link","name":"https://jira.mariadb.org/s/7ebd35e77e471bc30ff0eba799ebc151-CDN/lu2cib/820016/12ta74/494e4c556ecbb29f90a3d3b4f09cb99c/_/download/contextbatch/css/jira.browse.project,project.issue.navigator,jira.view.issue,jira.general,jira.global,atl.general,-_super/batch.css?agile_global_admin_condition=true&jag=true&jira.create.linked.issue=true&slack-enabled=true&whisper-enabled=true","startTime":365.09999990463257,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":365.09999990463257,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":448,"responseStart":0,"secureConnectionStart":0},{"duration":139.40000009536743,"initiatorType":"script","name":"https://jira.mariadb.org/s/0917945aaa57108d00c5076fea35e069-CDN/lu2cib/820016/12ta74/0a8bac35585be7fc6c9cc5a0464cd4cf/_/download/contextbatch/js/_super/batch.js?locale=en","startTime":365.19999980926514,"connectEnd":365.19999980926514,"connectStart":365.19999980926514,"domainLookupEnd":365.19999980926514,"domainLookupStart":365.19999980926514,"fetchStart":365.19999980926514,"redirectEnd":0,"redirectStart":0,"requestStart":365.19999980926514,"responseEnd":504.59999990463257,"responseStart":504.59999990463257,"secureConnectionStart":365.19999980926514},{"duration":200.2999997138977,"initiatorType":"script","name":"https://jira.mariadb.org/s/2d8175ec2fa4c816e8023260bd8c1786-CDN/lu2cib/820016/12ta74/494e4c556ecbb29f90a3d3b4f09cb99c/_/download/contextbatch/js/jira.browse.project,project.issue.navigator,jira.view.issue,jira.general,jira.global,atl.general,-_super/batch.js?agile_global_admin_condition=true&jag=true&jira.create.linked.issue=true&locale=en&slack-enabled=true&whisper-enabled=true","startTime":365.30000019073486,"connectEnd":365.30000019073486,"connectStart":365.30000019073486,"domainLookupEnd":365.30000019073486,"domainLookupStart":365.30000019073486,"fetchStart":365.30000019073486,"redirectEnd":0,"redirectStart":0,"requestStart":365.30000019073486,"responseEnd":565.5999999046326,"responseStart":565.5999999046326,"secureConnectionStart":365.30000019073486},{"duration":204,"initiatorType":"script","name":"https://jira.mariadb.org/s/a9324d6758d385eb45c462685ad88f1d-CDN/lu2cib/820016/12ta74/c92c0caa9a024ae85b0ebdbed7fb4bd7/_/download/contextbatch/js/atl.global,-_super/batch.js?locale=en","startTime":365.59999990463257,"connectEnd":365.59999990463257,"connectStart":365.59999990463257,"domainLookupEnd":365.59999990463257,"domainLookupStart":365.59999990463257,"fetchStart":365.59999990463257,"redirectEnd":0,"redirectStart":0,"requestStart":365.59999990463257,"responseEnd":569.5999999046326,"responseStart":569.5999999046326,"secureConnectionStart":365.59999990463257},{"duration":204.2999997138977,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2cib/820016/12ta74/1.0/_/download/batch/jira.webresources:calendar-en/jira.webresources:calendar-en.js","startTime":365.80000019073486,"connectEnd":365.80000019073486,"connectStart":365.80000019073486,"domainLookupEnd":365.80000019073486,"domainLookupStart":365.80000019073486,"fetchStart":365.80000019073486,"redirectEnd":0,"redirectStart":0,"requestStart":365.80000019073486,"responseEnd":570.0999999046326,"responseStart":570.0999999046326,"secureConnectionStart":365.80000019073486},{"duration":204.59999990463257,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2cib/820016/12ta74/1.0/_/download/batch/jira.webresources:calendar-localisation-moment/jira.webresources:calendar-localisation-moment.js","startTime":365.90000009536743,"connectEnd":365.90000009536743,"connectStart":365.90000009536743,"domainLookupEnd":365.90000009536743,"domainLookupStart":365.90000009536743,"fetchStart":365.90000009536743,"redirectEnd":0,"redirectStart":0,"requestStart":365.90000009536743,"responseEnd":570.5,"responseStart":570.4000000953674,"secureConnectionStart":365.90000009536743},{"duration":285.80000019073486,"initiatorType":"link","name":"https://jira.mariadb.org/s/b04b06a02d1959df322d9cded3aeecc1-CDN/lu2cib/820016/12ta74/a2ff6aa845ffc9a1d22fe23d9ee791fc/_/download/contextbatch/css/jira.global.look-and-feel,-_super/batch.css","startTime":366.19999980926514,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":366.19999980926514,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":652,"responseStart":0,"secureConnectionStart":0},{"duration":204.69999980926514,"initiatorType":"script","name":"https://jira.mariadb.org/rest/api/1.0/shortcuts/820016/47140b6e0a9bc2e4913da06536125810/shortcuts.js?context=issuenavigation&context=issueaction","startTime":366.30000019073486,"connectEnd":366.30000019073486,"connectStart":366.30000019073486,"domainLookupEnd":366.30000019073486,"domainLookupStart":366.30000019073486,"fetchStart":366.30000019073486,"redirectEnd":0,"redirectStart":0,"requestStart":366.30000019073486,"responseEnd":571,"responseStart":571,"secureConnectionStart":366.30000019073486},{"duration":285.69999980926514,"initiatorType":"link","name":"https://jira.mariadb.org/s/3ac36323ba5e4eb0af2aa7ac7211b4bb-CDN/lu2cib/820016/12ta74/d176f0986478cc64f24226b3d20c140d/_/download/contextbatch/css/com.atlassian.jira.projects.sidebar.init,-_super,-project.issue.navigator,-jira.view.issue/batch.css?jira.create.linked.issue=true","startTime":366.5,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":366.5,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":652.1999998092651,"responseStart":0,"secureConnectionStart":0},{"duration":204.80000019073486,"initiatorType":"script","name":"https://jira.mariadb.org/s/5d5e8fe91fbc506585e83ea3b62ccc4b-CDN/lu2cib/820016/12ta74/d176f0986478cc64f24226b3d20c140d/_/download/contextbatch/js/com.atlassian.jira.projects.sidebar.init,-_super,-project.issue.navigator,-jira.view.issue/batch.js?jira.create.linked.issue=true&locale=en","startTime":366.59999990463257,"connectEnd":366.59999990463257,"connectStart":366.59999990463257,"domainLookupEnd":366.59999990463257,"domainLookupStart":366.59999990463257,"fetchStart":366.59999990463257,"redirectEnd":0,"redirectStart":0,"requestStart":366.59999990463257,"responseEnd":571.4000000953674,"responseStart":571.4000000953674,"secureConnectionStart":366.59999990463257},{"duration":451.40000009536743,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2cib/820016/12ta74/1.0/_/download/batch/jira.webresources:bigpipe-js/jira.webresources:bigpipe-js.js","startTime":367.5,"connectEnd":367.5,"connectStart":367.5,"domainLookupEnd":367.5,"domainLookupStart":367.5,"fetchStart":367.5,"redirectEnd":0,"redirectStart":0,"requestStart":367.5,"responseEnd":818.9000000953674,"responseStart":818.9000000953674,"secureConnectionStart":367.5},{"duration":840.6999998092651,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2cib/820016/12ta74/1.0/_/download/batch/jira.webresources:bigpipe-init/jira.webresources:bigpipe-init.js","startTime":367.5,"connectEnd":367.5,"connectStart":367.5,"domainLookupEnd":367.5,"domainLookupStart":367.5,"fetchStart":367.5,"redirectEnd":0,"redirectStart":0,"requestStart":367.5,"responseEnd":1208.1999998092651,"responseStart":1208.1999998092651,"secureConnectionStart":367.5},{"duration":168.90000009536743,"initiatorType":"xmlhttprequest","name":"https://jira.mariadb.org/rest/webResources/1.0/resources","startTime":679.9000000953674,"connectEnd":679.9000000953674,"connectStart":679.9000000953674,"domainLookupEnd":679.9000000953674,"domainLookupStart":679.9000000953674,"fetchStart":679.9000000953674,"redirectEnd":0,"redirectStart":0,"requestStart":679.9000000953674,"responseEnd":848.8000001907349,"responseStart":848.8000001907349,"secureConnectionStart":679.9000000953674},{"duration":283.8999996185303,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2cib/820016/12ta74/e65b778d185daf5aee24936755b43da6/_/download/contextbatch/js/browser-metrics-plugin.contrib,-_super,-project.issue.navigator,-jira.view.issue,-atl.general/batch.js?agile_global_admin_condition=true&jag=true&jira.create.linked.issue=true&slack-enabled=true&whisper-enabled=true","startTime":945.8000001907349,"connectEnd":945.8000001907349,"connectStart":945.8000001907349,"domainLookupEnd":945.8000001907349,"domainLookupStart":945.8000001907349,"fetchStart":945.8000001907349,"redirectEnd":0,"redirectStart":0,"requestStart":945.8000001907349,"responseEnd":1229.6999998092651,"responseStart":1229.6999998092651,"secureConnectionStart":945.8000001907349},{"duration":302.80000019073486,"initiatorType":"script","name":"https://www.google-analytics.com/analytics.js","startTime":985.5,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":985.5,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":1288.3000001907349,"responseStart":0,"secureConnectionStart":0}],"fetchStart":0,"domainLookupStart":0,"domainLookupEnd":0,"connectStart":0,"connectEnd":0,"requestStart":206,"responseStart":359,"responseEnd":362,"domLoading":362,"domInteractive":1239,"domContentLoadedEventStart":1239,"domContentLoadedEventEnd":1288,"domComplete":1785,"loadEventStart":1785,"loadEventEnd":1785,"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)","marks":[{"name":"bigPipe.sidebar-id.start","time":1210.4000000953674},{"name":"bigPipe.sidebar-id.end","time":1211.4000000953674},{"name":"bigPipe.activity-panel-pipe-id.start","time":1211.5},{"name":"bigPipe.activity-panel-pipe-id.end","time":1213.6999998092651},{"name":"activityTabFullyLoaded","time":1301.9000000953674}],"measures":[],"correlationId":"9368f75e637357","effectiveType":"4g","downlink":9.1,"rtt":0,"serverDuration":99,"dbReadsTimeInMs":14,"dbConnsTimeInMs":23,"applicationHash":"9d11dbea5f4be3d4cc21f03a88dd11d8c8687422","experiments":[]}}
Duplicate of
MDEV-16692.