Upstream latest release is 2.1.11. The Fedora release is 2.1.9.
I have created a PR that includes changes to the spec to update to the latest release [1]. The maintainer would still need to update the look-aside cache with the latest upstream tarball. [1] https://src.fedoraproject.org/rpms/HdrHistogram/pull-request/1
FEDORA-2019-224a453e67 has been submitted as an update to Fedora 31. https://bodhi.fedoraproject.org/updates/FEDORA-2019-224a453e67
HdrHistogram-2.1.11-1.fc31 has been pushed to the Fedora 31 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2019-224a453e67
FEDORA-2019-3117da46dc has been submitted as an update to Fedora 30. https://bodhi.fedoraproject.org/updates/FEDORA-2019-3117da46dc
HdrHistogram-2.1.11-1.fc30 has been pushed to the Fedora 30 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2019-3117da46dc
HdrHistogram-2.1.11-1.fc31 has been pushed to the Fedora 31 stable repository. If problems still persist, please make note of it in this bug report.
HdrHistogram-2.1.11-1.fc30 has been pushed to the Fedora 30 stable repository. If problems still persist, please make note of it in this bug report.