SeuratObject 4.1.3

Changes

Move {rgeos} to Suggests; segmentation simplification now requires {regos} to be installed manually
Move {sp} to Depends

Added

Add keys to Assays and DimReducs in UpdateSeuratObject when missing

SeuratObject 4.1.2

Changed

Bump required Matrix version to >= 1.5.0

SeuratObject 4.1.1

Changed

Update sparse matrix coersions due to Matrix deprecations

SeuratObject 4.1.0

Changed

Allow UpdateSeuratObject to work when data is NULL (#38)
Fix superclass issue with R-devel 4.3.x (#42)

Added

New FOV, Segmentations, Centroids, and Molecules classes for imaging-based spatial datasets

SeuratObject 4.0.4

Changed

CreateSeuratObject.Assay sets Assay key when not present (#29)
Ignore warnings when creating an Assay from a data frame (#32)

Added

New CheckMatrix generic for validating expression matrices

SeuratObject 4.0.3

Changed

Export utility functions (#22)
Bug fix in names with Key.Seurat (#26)
Improved duplicate key checking and resolution

SeuratObject 4.0.2

Changed

Provide default option for Seurat.checkdots option if option is not set (#16)

SeuratObject 4.0.1

Added

head and tail methods for Seurat and Assay objects (#5)
New utility functions (#6):
- AttachDeps to attach required imported dependencies on package attachment
- IsMatrixEmpty to test if a matrix is empty or not

Changed

Allow super classes to replace child classes (#1). For example, allows Assay objects to replace Seurat::SCTAssay or Signac::ChromatinAssay objects of the same name
Better support for creating sparse matrices from data.table/tibble objects (#4)
Improved error messages for clashing object names (#7)
Allow returning a NULL if a subset results in zero cells (#9)

Removed

SCT-specific code (#2)

SeuratObject 4.0.0

Initial release of SeuratObject