In a joint statement during SMOFCon 35, both Worldcon 76 in San Jose and Dublin 2019 (Worldcon 77) announced that they will present Retrospective Hugo Awards for 1943 and 1944 respectively. The 1943 Retro Hugos for works first published in 1942 will be awarded in a ceremony to be held on August 16, 2018 at the San Jose McEnery Convention Center in San Jose CA. The 1944 Retro Hugos for works first published in 1943 will be awarded in a ceremony to be held on August 15, 2019 at the Convention Centre Dublin in Dublin, Ireland.
Members of the 2017, 2018, and 2019 Worldcons will be eligible to vote for the 1943 Retro Hugos. Members of the 2018 and 2019 Worldcons will be eligible to vote for the 1944 Retro Hugos. According to the Hugo Awards website: “As the result of a rule change ratified at Worldcon 75 in Helsinki, members of the following Worldcon will no longer be eligible to nominate on the current Worldcon’s Hugo Awards effective as of the 2019 Worldcon.”
For more information, see the official Hugo Awards website.