Release v22.12 includes 21 new publications, representing 187 new ancient host-associated metagenome samples, 27 new ancient microbial genomes, and 102 new ancient environmental samples. This brings the repository to a total of 153 publications, 1248 ancient host-associated metagenome samples, 560 ancient microbial genomes, and 484 ancient environmental samples Furthermore, this release adds 323 new ancient host-associated metagenome libraries, 84 new ancient microbial genome libraries, and 123 new ancient environmental libraries. This brings the repository to a total of 2152 ancient host-associated metagenome libraries, 2180 ancient microbial genomes libraries, and 563 ancient environmental libraries. A correction was made to 1 publication. New Contributors @DianaSpurite made their first contribution in https://github.com/SPAAM-community/AncientMetagenomeDir/pull/981 @ktozdogan made their first contribution in https://github.com/SPAAM-community/AncientMetagenomeDir/pull/1020 CHANGELOG Added Ancient Metagenome: Host Associated Modi 2021 10.1016/j.quaint.2021.12.003 Scorrano 2022 10.1038/s42003-022-04190-2 Fagernäs 2022 10.1093/femsmc/xtac006 Velsko 2022 10.1093/pnasnexus/pgac148 Ancient Single Genome: Host Associated Jäger 2022 10.1016/j.tube.2022.102181 Rieux 2021 10.1038/s41598-021-00518-w Guellil 2021 10.1038/s41598- 021- 98214-2 Guellil 2022 10.1186/s13059-021-02580-z Spyrou 2022 10.1038/s41586-022-04800-3 Neumann 2022 10.1016/j.cub.2022.06.094 Vågene 2022 10.1038/s41467-022-28562-8 Austin 2022 10.1038/s42003-022-03890-z Guellil 2022 10.1126/sciadv.abo4435 Long 2022 10.1038/s42003-022-03527-1 Quagliariello 2022 10.1038/s41467-022-34416-0 Ancient Metagenome: Environmental Armbrecht 2022 10.1038/s41467-022-33494-4 Courtin 2022 10.1002/edn3.336 Iwańska 2022 10.1038/s41598-022-12761-w Gelabert 2021 10.1016/j.cub.2021.06.023 Moore 2020 10.1002/ece3.6082 Perez 2022 10.3390/microorganisms10081623 Changed Synchronised site location name of PattersonRoss2018 with Long2022 Joya de Cerén Archaeological Site Joya de Cerén was a pre-Hispanic farming community that, like Pompeii and Herculaneum in Italy, was buried under an eruption of the Laguna Caldera volcano c. AD 600. Because of the exceptional condition of the remains, they provide an insight into the daily lives of the Central American populations who worked the land at that time. Description is available under license CC-BY-SA IGO 3.0