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This is the development version of updateObject; for the stable release version, see updateObject.

Find/fix old serialized S4 instances

Bioconductor version: Development (3.20)

A set of tools built around updateObject() to work with old serialized S4 instances. The package is primarily useful to package maintainers who want to update the serialized S4 instances included in their package. This is still work-in-progress.

Author: Hervé Pagès [aut, cre]

Maintainer: Hervé Pagès <hpages.on.github at>

Citation (from within R, enter citation("updateObject")):


To install this package, start R (version "4.4") and enter:

if (!require("BiocManager", quietly = TRUE))

# The following initializes usage of Bioc devel


For older versions of R, please refer to the appropriate Bioconductor release.


Reference Manual PDF


biocViews DataRepresentation, Infrastructure, Software
Version 1.9.0
In Bioconductor since BioC 3.15 (R-4.2) (2 years)
License Artistic-2.0
Depends R (>= 4.2.0), methods, BiocGenerics(>= 0.47.1), S4Vectors
Imports utils, digest
System Requirements git
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Suggests GenomicRanges, SummarizedExperiment, InteractionSet, SingleCellExperiment, MultiAssayExperiment, TimiRGeN, testthat, knitr, rmarkdown, BiocStyle
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Follow Installation instructions to use this package in your R session.

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