Changes in version 3.1-9 (2025-10-18) OVERVIEW o Corrected the name of the unit of length in 'austates' and 'shelling' SIGNIFICANT USER-VISIBLE CHANGES o austates The name of the unit of length has been corrected. o shelling The name of the unit of length in 'shelling' and 'shelling2' has been corrected. Changes in version 3.1-8 (2025-08-18) OVERVIEW o Updated several URL entries in documentation. Changes in version 3.1-7 OVERVIEW o Repaired internal format of hyperframes. SIGNIFICANT USER-VISIBLE CHANGES o cetaceans, demohyper, flu, Kovesi, osteo, pyramidal, simba The internal format of hyperframes has been corrected slightly. Changes in version 3.1-6 (2025-03-17) OVERVIEW o Removed an unsafe URL from documentation. Changes in version 3.1-5 OVERVIEW o We thank Dr Sebastian Meyer, Dr Johannes Elias and Prof Dr Ulrich Vogel for contributions. o New dataset 'meningitis'. o Updates to documentation. NEW DATASETS o meningitis Spatial locations of cases of meningitis in Germany. [Extracted from the 'surveillance' package, converted and simplified] Changes in version 3.1-4 (2024-11-15) OVERVIEW o We thank Tilman Davies for contributions. o New dataset 'shelling'. NEW DATASETS o shelling Spatial patterns of artillery shell impacts in Ukraine. [Provided by Tilman Davies.] Changes in version 3.1-3 OVERVIEW o Internal version only Changes in version 3.1-2 (2024-06-21) OVERVIEW o Tweaks to satisfy CRAN package checker. Changes in version 3.1-1 OVERVIEW o Tweaks to satisfy CRAN package checker. Changes in version 3.1-0 OVERVIEW o Minor internal improvements. Changes in version 3.0-4 (2024-01-15) OVERVIEW o Corrected format of 'gorillas' dataset. SIGNIFICANT USER-VISIBLE CHANGES o gorillas The mark variables 'group' and 'season' are now factors (categorical variables) as stated in the help file, rather than character vectors. Changes in version 3.0-3 (2023-10-24) OVERVIEW o Minor changes to package information. Changes in version 3.0-2 OVERVIEW o Minor changes to package information. Changes in version 3.0-1 (2023-03-12) OVERVIEW o Minor changes to package information. Changes in version 3.0-0 (2022-10-21) OVERVIEW o spatstat.data now suggests the new packages 'spatstat.explore' and 'spatstat.model' rather than the old 'spatstat.core'. o Minor errors in documentation were corrected. Changes in version 2.2-0 (2022-04-18) OVERVIEW o We thank Lucia Cobo-Sanchez for contributions. o New dataset 'stonetools'. NEW DATASETS o stonetools Palaeolithic stone tools Changes in version 2.1-4 (2022-03-29) OVERVIEW o Minor changes to package information. Changes in version 2.1-3 OVERVIEW o Minor changes to help files. Changes in version 2.1-2 (2021-12-17) OVERVIEW o Minor changes to package information and help files. Changes in version 2.1-1 OVERVIEW o Added a NEWS file for spatstat.data Changes in version 2.1-0 (2021-03-21) OVERVIEW o We thank Tilman Davies and Peter Diggle for contributions. o New dataset 'btb' NEW DATASETS o btb Bovine tuberculosis data, from Prof Peter Diggle.