Hi, Nova developers. The version of sphinx has been capped (*1) in order to fix an issue (*2, *3) with resolving citations in nova-specs. But IMO, it is better to fix citations in specs (*4) rather than capping the sphinx version. ----------------------------------------------------------------- *1: Cap sphinx<1.6.1 https://review.openstack.org/#/c/470434/ *2: nova-specs docs builds fail with sphinx 1.6.1: Citation is not referenced. https://bugs.launchpad.net/nova/+bug/1693010 *3: nova-specs docs builds fail with sphinx 1.6.2: Citation is not referenced. https://bugs.launchpad.net/nova/+bug/1695127 *4: Fix citation references (Sphinx 1.6.x compatibility) https://review.openstack.org/#/c/470252/ ----------------------------------------------------------------- Regards, Takashi Natsume NTT Software Innovation Center E-mail: natsume.takashi at lab.ntt.co.jp