Here are two screenshots that illustrate the problem. The first shows “Applicable” checked and the second without. The text below shows all updates since 1 May, assuming that some recent change caused this behavioral aberrancy.
May 01 08:12:59 Installed: pulp-rpm-yumplugins-2.21.1-1.el7.noarch
May 04 06:12:33 Installed: ansifilter-1.12-1.el7.x86_64
May 04 07:47:19 Updated: puppet-agent-6.15.0-1.el7.x86_64
May 04 07:47:24 Updated: puppetserver-6.11.0-1.el7.noarch
May 04 08:03:04 Installed: pulp-rpm-plugins-2.21.1-1.el7.noarch
May 04 08:03:05 Installed: pulp-rpm-yumplugins-2.21.1-1.el7.noarch
May 04 08:05:22 Installed: pulp-rpm-plugins-2.21.1-1.el7.noarch
May 04 08:44:45 Erased: pulp-client-1.0-8.noarch
May 04 11:14:09 Erased: pulp-rpm-yumplugins-2.21.1-1.el7.noarch
May 12 09:07:09 Updated: puppetserver-6.11.1-1.el7.noarch
May 13 08:08:17 Updated: git-1.8.3.1-22.el7_8.x86_64
May 13 08:08:17 Updated: perl-Git-1.8.3.1-22.el7_8.noarch
May 13 08:08:18 Updated: tzdata-java-2020a-1.el7.noarch
May 13 08:08:24 Updated: 1:java-1.8.0-openjdk-headless-1.8.0.252.b09-2.el7_8.x86_64
May 13 08:08:30 Updated: scap-security-guide-0.1.46-11.0.2.el7.noarch
May 13 08:08:30 Installed: python36-rpmconf-1.0.22-1.el7.noarch
May 13 08:08:30 Installed: python36-rpm-4.11.3-7.el7.x86_64
May 13 08:08:30 Installed: rpmconf-base-1.0.22-1.el7.noarch
May 13 08:08:30 Updated: python2-jmespath-0.9.4-2.el7.noarch
May 13 08:08:30 Updated: 7:squid-migration-script-3.5.20-15.el7_8.1.x86_64
May 13 08:08:34 Updated: 7:squid-3.5.20-15.el7_8.1.x86_64
May 13 08:08:59 Updated: ansible-2.9.7-1.el7.noarch
May 13 08:08:59 Updated: rpmconf-1.0.22-1.el7.noarch
May 13 08:09:01 Updated: scap-security-guide-doc-0.1.46-11.0.2.el7.noarch
May 13 08:09:01 Updated: 1:java-1.8.0-openjdk-1.8.0.252.b09-2.el7_8.x86_64
May 13 08:09:15 Updated: chef-16.0.287-1.el7.x86_64
May 13 08:09:16 Updated: qpid-dispatch-router-1.11.0-1.el7.x86_64
May 13 08:09:18 Updated: tzdata-2020a-1.el7.noarch
May 13 08:09:24 Updated: pmm2-client-2.6.0-6.el7.x86_64
May 13 08:09:24 Updated: 1:libuv-1.37.0-1.el7.x86_64
May 13 08:09:24 Updated: tuned-2.11.0-8.0.2.el7.noarch
May 19 13:57:37 Updated: systemd-libs-219-73.0.1.el7_8.6.x86_64
May 19 13:57:41 Updated: systemd-219-73.0.1.el7_8.6.x86_64
May 19 13:57:41 Updated: libsss_certmap-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:41 Updated: libsss_idmap-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:41 Updated: samba-common-4.10.4-11.el7_8.noarch
May 19 13:57:41 Updated: libwbclient-4.10.4-11.el7_8.x86_64
May 19 13:57:42 Updated: samba-client-libs-4.10.4-11.el7_8.x86_64
May 19 13:57:43 Updated: samba-libs-4.10.4-11.el7_8.x86_64
May 19 13:57:43 Updated: samba-common-libs-4.10.4-11.el7_8.x86_64
May 19 13:57:44 Updated: mesa-libglapi-18.3.4-7.el7_8.1.x86_64
May 19 13:57:44 Updated: 7:device-mapper-libs-1.02.164-7.0.1.el7_8.2.x86_64
May 19 13:57:44 Updated: 7:device-mapper-1.02.164-7.0.1.el7_8.2.x86_64
May 19 13:57:44 Updated: 7:device-mapper-event-libs-1.02.164-7.0.1.el7_8.2.x86_64
May 19 13:57:45 Updated: postgresql-libs-9.2.24-4.el7_8.x86_64
May 19 13:57:45 Updated: 32:bind-license-9.11.4-16.P2.el7_8.3.noarch
May 19 13:57:45 Updated: 32:bind-libs-lite-9.11.4-16.P2.el7_8.3.x86_64
May 19 13:57:45 Updated: 32:bind-libs-9.11.4-16.P2.el7_8.3.x86_64
May 19 13:57:45 Updated: 32:bind-utils-9.11.4-16.P2.el7_8.3.x86_64
May 19 13:57:47 Updated: postgresql-9.2.24-4.el7_8.x86_64
May 19 13:57:47 Updated: 7:device-mapper-event-1.02.164-7.0.1.el7_8.2.x86_64
May 19 13:57:48 Updated: 7:lvm2-libs-2.02.186-7.0.1.el7_8.2.x86_64
May 19 13:57:48 Updated: mesa-libgbm-18.3.4-7.el7_8.1.x86_64
May 19 13:57:48 Updated: libsmbclient-4.10.4-11.el7_8.x86_64
May 19 13:57:48 Updated: systemd-sysv-219-73.0.1.el7_8.6.x86_64
May 19 13:57:48 Updated: libipa_hbac-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:48 Updated: libsss_autofs-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:48 Updated: libsss_nss_idmap-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:48 Updated: sssd-client-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:48 Updated: libsss_sudo-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:49 Updated: sssd-common-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:49 Updated: sssd-krb5-common-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:49 Updated: sssd-common-pac-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:49 Updated: sssd-ad-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:49 Updated: sssd-ipa-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:50 Updated: sssd-ldap-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:50 Updated: sssd-krb5-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:50 Updated: sssd-proxy-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:50 Updated: python-sssdconfig-1.16.4-37.0.1.el7_8.3.noarch
May 19 13:57:50 Updated: sssd-1.16.4-37.0.1.el7_8.3.x86_64
May 19 13:57:51 Updated: postgresql-server-9.2.24-4.el7_8.x86_64
May 19 13:57:51 Updated: mesa-libEGL-18.3.4-7.el7_8.1.x86_64
May 19 13:57:51 Updated: 7:lvm2-2.02.186-7.0.1.el7_8.2.x86_64
May 19 13:57:51 Updated: mesa-libGL-18.3.4-7.el7_8.1.x86_64
May 19 13:57:55 Updated: containerd.io-1.2.13-3.2.el7.x86_64
May 19 13:57:55 Updated: systemd-devel-219-73.0.1.el7_8.6.x86_64
May 19 13:57:55 Updated: systemd-python-219-73.0.1.el7_8.6.x86_64
May 19 13:57:56 Updated: open-vm-tools-10.3.10-2.0.1.el7_8.1.x86_64
May 19 13:57:56 Updated: libgudev1-219-73.0.1.el7_8.6.x86_64
May 19 13:57:56 Updated: 32:bind-export-libs-9.11.4-16.P2.el7_8.3.x86_64
May 19 13:57:57 Updated: python-perf-3.10.0-1127.8.2.el7.x86_64
May 19 13:58:07 Installed: kernel-3.10.0-1127.8.2.el7.x86_64
May 19 13:58:19 Updated: chef-16.1.0-1.el7.x86_64
May 19 13:58:19 Updated: yum-utils-1.1.31-54.0.1.el7_8.noarch
May 19 13:58:20 Updated: binutils-2.27-43.base.0.1.el7_8.1.x86_64
May 19 13:58:22 Updated: kernel-headers-3.10.0-1127.8.2.el7.x86_64
May 20 08:39:09 Updated: python-pulp-common-2.21.2-1.el7.noarch
May 20 08:39:10 Updated: python-pulp-repoauth-2.21.2-1.el7.noarch
May 20 08:39:10 Updated: python-pulp-puppet-common-2.21.2-1.el7.noarch
May 20 08:39:10 Updated: python-pulp-rpm-common-2.21.2-1.el7.noarch
May 20 08:39:10 Updated: python-pulp-oid_validation-2.21.2-1.el7.noarch
May 20 08:39:10 Updated: python-pulp-bindings-2.21.2-1.el7.noarch
May 20 08:39:10 Updated: python-pulp-client-lib-2.21.2-1.el7.noarch
May 20 08:39:10 Updated: pulp-admin-client-2.21.2-1.el7.noarch
May 20 08:40:13 Updated: pulp-selinux-2.21.2-1.el7.noarch
May 20 08:40:22 Updated: pulp-server-2.21.2-1.el7.noarch
May 20 08:40:22 Updated: python-pulp-streamer-2.21.2-1.el7.noarch
May 20 08:40:23 Updated: pulp-puppet-plugins-2.21.2-1.el7.noarch
May 20 08:40:23 Updated: pulp-rpm-plugins-2.21.2-1.el7.noarch
May 20 08:40:23 Updated: pulp-rpm-admin-extensions-2.21.2-1.el7.noarch
May 20 08:40:23 Updated: pulp-puppet-tools-2.21.2-1.el7.noarch
May 20 09:38:32 Updated: python-twisted-core-12.2.0-5.el7.x86_64
May 20 09:38:33 Updated: python-twisted-web-12.1.0-7.el7_8.x86_64
May 20 09:38:33 Updated: rubygem-rake-0.9.6-36.el7.noarch
May 26 07:34:43 Updated: foreman-debug-1.24.3-1.el7.noarch
May 26 07:35:21 Updated: foreman-selinux-1.24.3-1.el7.noarch
May 26 07:35:24 Updated: 1:foreman-installer-1.24.3-1.el7.noarch
May 26 07:35:24 Updated: 1:rubygem-foreman_maintain-0.5.4-1.el7.noarch
May 26 07:35:25 Updated: tfm-rubygem-secure_headers-6.3.0-1.el7.noarch
May 26 07:35:48 Updated: foreman-1.24.3-1.el7.noarch
May 26 07:35:48 Updated: foreman-postgresql-1.24.3-1.el7.noarch
May 26 07:35:48 Updated: foreman-vmware-1.24.3-1.el7.noarch
May 26 07:35:49 Updated: 1:foreman-installer-katello-1.24.3-1.el7.noarch
May 26 07:35:50 Updated: foreman-proxy-1.24.3-1.el7.noarch
May 26 07:35:51 Updated: python3-pip-9.0.3-7.el7_8.noarch
May 26 07:35:51 Updated: foreman-cli-1.24.3-1.el7.noarch
May 26 07:35:51 Updated: tfm-rubygem-parse-cron-0.1.4-4.fm1_24.el7.noarch
May 26 07:35:51 Updated: foreman-release-1.24.3-1.el7.noarch
May 28 09:54:52 Installed: 1:tcl-8.5.13-8.el7.x86_64
May 28 09:54:53 Installed: expect-5.45-14.el7_1.x86_64
Jun 01 10:58:08 Updated: perl-Git-1.8.3.1-23.el7_8.noarch
Jun 01 10:58:10 Updated: git-1.8.3.1-23.el7_8.x86_64
Jun 01 10:58:32 Updated: git-1.8.3.1-23.el7_8.x86_64
Jun 01 10:58:32 Updated: perl-Git-1.8.3.1-23.el7_8.noarch
Jun 02 07:06:11 Updated: libuuid-2.23.2-63.0.1.el7.x86_64
Jun 02 07:06:11 Updated: libblkid-2.23.2-63.0.1.el7.x86_64
Jun 02 07:06:11 Updated: libmount-2.23.2-63.0.1.el7.x86_64
Jun 02 07:06:17 Updated: 1:docker-ce-cli-19.03.10-3.el7.x86_64
Jun 02 07:06:18 Updated: libsmartcols-2.23.2-63.0.1.el7.x86_64
Jun 02 07:06:18 Updated: util-linux-2.23.2-63.0.1.el7.x86_64
Jun 02 07:06:19 Updated: dracut-033-568.0.3.el7.x86_64
Jun 02 07:06:19 Updated: dracut-config-rescue-033-568.0.3.el7.x86_64
Jun 02 07:06:19 Updated: dracut-network-033-568.0.3.el7.x86_64
Jun 02 07:06:29 Installed: kernel-3.10.0-1127.8.2.0.1.el7.x86_64
Jun 02 07:06:33 Updated: 3:docker-ce-19.03.10-3.el7.x86_64
Jun 02 07:06:33 Updated: libuuid-devel-2.23.2-63.0.1.el7.x86_64
Jun 02 07:06:54 Updated: ansible-2.9.9-1.el7.noarch
Jun 02 07:07:06 Updated: chef-16.1.16-1.el7.x86_64
Jun 02 07:07:12 Updated: pmm2-client-2.6.1-6.el7.x86_64
Jun 02 07:07:12 Updated: python36-PyYAML-3.13-1.el7.x86_64
Jun 02 07:07:14 Updated: kernel-headers-3.10.0-1127.8.2.0.1.el7.x86_64
Jun 02 07:07:14 Updated: python36-rpm-4.11.3-8.el7.x86_64
Jun 02 07:07:15 Updated: python-perf-3.10.0-1127.8.2.0.1.el7.x86_64
Jun 02 07:14:58 Erased: kernel-3.10.0-1127.0.0.0.1.el7.x86_64