The date search seems to mess up other filters as well:
date:1m..now is:open https://issues.guix.gnu.org/search?query=date%3A1m..now+is%3Aopen Here are 2 wrong results: 56512 URLs in coreutils manuals documentation should use HTTPS Tue Jul 12 07:19:25+0200 2022 Done 15284 patchwish: make the (name) field optional Fri Sep 06 11:06:27+0200 2013 Open First issue is closed, failing is:open filter Second issue is older than 1 month from now, failing date:1m..now filter