April 2026 in CRAN

Part of Q2 2026 and 2026.

Final

418

New packages

1,032

Updated

179

Archived

235.8M

Downloads

New packages (60+)

measles Measles Epidemiological Models	2026-04-01
AgriDiversiX Agricultural Crop Diversification Indices Analysis	2026-04-01
EE.Data Objects for Predicting Energy Expenditure	2026-04-01
albersdown Minimalist Theme and Vignette Kit for 'pkgdown' and R Markdown	2026-04-01
bigANNOY Approximate k-Nearest Neighbour Search for 'bigmemory' Matrices with Annoy	2026-04-01
bigKNN Exact Search and Graph Construction for 'bigmemory' Matrices	2026-04-01
catviz Visualizing Causal Assignment Trees for CSDiD and DR-DDD Designs	2026-04-01
gcpca Generalized Contrastive Principal Component Analysis	2026-04-01
mtaOpenData Convenient Access to MTA Open Data API Endpoints	2026-04-01
nomine Classify Names by Gender, U.S. Ethnicity, and Leaf Nationality	2026-04-01
nysOpenData Convenient Access to NYS Open Data API Endpoints	2026-04-01
taxdiv Taxonomic Diversity Indices Using Deng Entropy	2026-04-01
SingleArmMRCT Regional Consistency Probability for Single-Arm Multi-Regional Clinical Trials	2026-04-02
gghinton Hinton Diagrams for 'ggplot2'	2026-04-02
likelihood.contr Likelihood Contribution Models for Heterogeneous Observation Types	2026-04-02
stt.api 'OpenAI' Compatible Speech-to-Text API Client	2026-04-02
PhaseGMM Phase-Function Based Estimation and Inference for Linear Errors-in-Variables (EIV) Models	2026-04-02
dsge Dynamic Stochastic General Equilibrium Models	2026-04-02
refundBayes Bayesian Regression with Functional Data	2026-04-02
rescomp Efficient Modelling of Resource Competition	2026-04-02
MyoScore Transcriptomic Scoring for Human Skeletal Muscle Health	2026-04-03
baskoptr Utility-Based Optimization for Basket Trial Designs	2026-04-03
clinicalfair Algorithmic Fairness Assessment for Clinical Prediction Models	2026-04-03
pepdiff Differential Abundance Analysis for Phosphoproteomics Data	2026-04-03
rjd3workspace Wrangling 'JDemetra+ 3.x' Workspaces	2026-04-03
survinger Design-Adjusted Inference for Pathogen Lineage Surveillance	2026-04-03
syntheticdata Synthetic Clinical Data Generation and Privacy-Preserving Validation	2026-04-03
RapidoPGS A Fast and Light Package to Compute Polygenic Risk Scores	2026-04-03
MAIHDA Multilevel Analysis of Individual Heterogeneity and Discriminatory Accuracy	2026-04-03
balnet Pathwise Estimation of Covariate Balancing Propensity Scores	2026-04-03
birdcolors Create Palettes from the Colors of the World's Birds	2026-04-03
csmbuilder A Collection of Tools for Building Cropping System Models	2026-04-03
lineagefreq Lineage Frequency Dynamics from Genomic Surveillance Counts	2026-04-03
mlstm Multilevel Supervised Topic Models with Multiple Outcomes	2026-04-03
mpmaggregate Aggregate Matrix Population Models	2026-04-03
scip Interface to the SCIP Optimization Suite	2026-04-03
seroreconstruct Reconstructing Antibody Dynamics to Estimate the Risk of Influenza Virus Infection	2026-04-03
shard Deterministic, Zero-Copy Parallel Execution for R	2026-04-03
statAfrikR Statistical Tools for African National Statistics Institutes	2026-04-03
tulpaMesh Constrained Delaunay Triangulation Meshes for Spatial 'SPDE' Models	2026-04-03
zmctp Zero-Modified Complex 'Tri-Parametric' Pearson Distribution for Overdispersed Count Data	2026-04-03
OdysseusSurvivalModule Cohort-Based Single-Event Survival Utilities	2026-04-03
easyComment Generate Comment Boxes with Custom Alignment	2026-04-03
symMCD Symmetrized MCD	2026-04-03
LSDinterface Interface Tools for 'LSD' Simulation Results Files	2026-04-04
bayeslm Efficient Sampling for Gaussian Linear Regression with Arbitrary Priors	2026-04-04
multipleITScontrol Interrupted Time Series with a Control and Multiple Interventions	2026-04-04
percentiles Calculate (Stratified) Percentiles	2026-04-04
ravel AI Copilot for R Analysis Workflows in 'RStudio'	2026-04-04
AIBias Longitudinal Bias Auditing for Sequential Decision Systems	2026-04-04
BayesianLasso Bayesian Lasso Regression and Tools for the Lasso Distribution	2026-04-04
LSDsensitivity Sensitivity Analysis Tools for 'LSD' Simulations	2026-04-04
misc Miscellaneous Functions for Data and Geospatial Work	2026-04-04
poissonsuperlearner Poisson Super Learner	2026-04-04
sov Calculate vs-SOVs and SOVs for Assemblies with D-Dimensional Voting	2026-04-04
howzatR Useful Functions for Cricket Analysis	2026-04-06
dpm Dynamic Panel Models Fit with Maximum Likelihood	2026-04-07
MEsreg Generalized Maximum Entropy Estimation for Smooth Transition and Kink Regression Models	2026-04-07
WHORiskCalculator WHO Cardiovascular Disease Risk Calculator	2026-04-07
aftPenCDA Estimating Penalized AFT Models via Coordinate Descent	2026-04-07

Archived / removed

Why

126 email to the maintainer is undeliverable
25 issues were not corrected despite reminders
6 policy violation. On Internet access
4 issues were not corrected in time
3 requires archived package 'flux'
2 requires archived package 'mixexp'
1 : this package is now available from Bioconductor only, see <https://www.bioconductor.org/packages/release/bioc/html/ClusterGVis.html>
1 issues were not corrected in time. Also has recent 'rustc' requirement contrary to the policy

ANOM email to the maintainer is undeliverable	2026-04-30
AR email to the maintainer is undeliverable	2026-04-30
BayesianGLasso email to the maintainer is undeliverable	2026-04-30
BisRNA email to the maintainer is undeliverable	2026-04-30
BrownDog email to the maintainer is undeliverable	2026-04-30
CDVineCopulaConditional email to the maintainer is undeliverable	2026-04-30
Calculator.LR.FNs email to the maintainer is undeliverable	2026-04-30
CausalGAM email to the maintainer is undeliverable	2026-04-30
ClusterGVis : this package is now available from Bioconductor only, see <https://www.bioconductor.org/packages/release/bioc/html/ClusterGVis.html>	2026-04-30
DoEstRare email to the maintainer is undeliverable	2026-04-30
EM.Fuzzy email to the maintainer is undeliverable	2026-04-30
FPV email to the maintainer is undeliverable	2026-04-30
FreeSortR email to the maintainer is undeliverable	2026-04-30
Fuzzy.p.value email to the maintainer is undeliverable	2026-04-30
GRCdata email to the maintainer is undeliverable	2026-04-30
HMPTrees email to the maintainer is undeliverable	2026-04-30
InfoTrad email to the maintainer is undeliverable	2026-04-30
JOUSBoost email to the maintainer is undeliverable	2026-04-30
NCSampling email to the maintainer is undeliverable	2026-04-30
PGEE email to the maintainer is undeliverable	2026-04-30
PdPDB email to the maintainer is undeliverable	2026-04-30
QLearning email to the maintainer is undeliverable	2026-04-30
Relatedness email to the maintainer is undeliverable	2026-04-30
RpeakChrom email to the maintainer is undeliverable	2026-04-30
SLDAssay email to the maintainer is undeliverable	2026-04-30
SigOptR email to the maintainer is undeliverable	2026-04-30
Sim.PLFN email to the maintainer is undeliverable	2026-04-30
TSMN email to the maintainer is undeliverable	2026-04-30
TSMSN email to the maintainer is undeliverable	2026-04-30
TreatmentSelection email to the maintainer is undeliverable	2026-04-30
UniIsoRegression email to the maintainer is undeliverable	2026-04-30
Weighted.Desc.Stat email to the maintainer is undeliverable	2026-04-30
backShift email to the maintainer is undeliverable	2026-04-30
bingat email to the maintainer is undeliverable	2026-04-30
ccmm email to the maintainer is undeliverable	2026-04-30
censCov email to the maintainer is undeliverable	2026-04-30
colf email to the maintainer is undeliverable	2026-04-30
complexplus email to the maintainer is undeliverable	2026-04-30
gains email to the maintainer is undeliverable	2026-04-30
gamreg email to the maintainer is undeliverable	2026-04-30
gomms email to the maintainer is undeliverable	2026-04-30
hurdlr email to the maintainer is undeliverable	2026-04-30
hydrogeo email to the maintainer is undeliverable	2026-04-30
importar email to the maintainer is undeliverable	2026-04-30
jocre email to the maintainer is undeliverable	2026-04-30
mccr email to the maintainer is undeliverable	2026-04-30
mmpp email to the maintainer is undeliverable	2026-04-30
modelwordcloud email to the maintainer is undeliverable	2026-04-30
nonlinearICP email to the maintainer is undeliverable	2026-04-30
numGen email to the maintainer is undeliverable	2026-04-30
pipe.design email to the maintainer is undeliverable	2026-04-30
plaqr email to the maintainer is undeliverable	2026-04-30
qrmix email to the maintainer is undeliverable	2026-04-30
rma.exact email to the maintainer is undeliverable	2026-04-30
roots email to the maintainer is undeliverable	2026-04-30
seqICP email to the maintainer is undeliverable	2026-04-30
stablespec email to the maintainer is undeliverable	2026-04-30
tpAUC email to the maintainer is undeliverable	2026-04-30
triversity email to the maintainer is undeliverable	2026-04-30
twfy email to the maintainer is undeliverable	2026-04-30

Downloads

235.8M

Total downloads

+1.4%

vs prior period

Most downloaded

1	rlang Functions for Base Types and Core R and 'Tidyverse' Features	2.7M
2	vctrs Vector Helpers	2.2M
3	cli Helpers for Developing Command Line Interfaces	2.2M
4	ggplot2 Create Elegant Data Visualisations Using the Grammar of Graphics	2.1M
5	dplyr A Grammar of Data Manipulation	2.1M
6	lifecycle Manage the Life Cycle of your Package Functions	2.1M
7	R6 Encapsulated Classes with Reference Semantics	1.9M
8	magrittr A Forward-Pipe Operator for R	1.9M
9	glue Interpreted String Literals	1.8M
10	Rcpp Seamless R and C++ Integration	1.8M
11	tibble Simple Data Frames	1.7M
12	withr Run Code 'With' Temporarily Modified Global State	1.6M
13	fs Cross-Platform File System Operations Based on 'libuv'	1.6M
14	cpp11 A C++11 Interface for R's C Interface	1.6M
15	jsonlite A Simple and Robust JSON Parser and Generator for R	1.6M
16	pillar Coloured Formatting for Columns	1.5M
17	S7 An Object Oriented System Meant to Become a Successor to S3 and S4	1.5M
18	purrr Functional Programming Tools	1.5M
19	scales Scale Functions for Visualization	1.4M
20	rmarkdown Dynamic Documents for R	1.4M

Fastest growing

1	GapAnalysis Conservation Indicators Using Spatial Information	+999%+
2	hrbrthemes Additional Themes, Theme Components and Utilities for 'ggplot2'	+999%+
3	aramappings Computes Adaptable Radial Axes Mappings	+999%+
4	arg Clean and Simple Argument Checking	+999%+
5	FITSio FITS (Flexible Image Transport System) Utilities	+999%+
6	aisdk Unified Interface for AI Model Providers	+999%+
7	metabook Data Sets and Code for "Meta-Analysis with R"	+999%+
8	fude Utilities for Fude Polygon	+999%+
9	epifitter Analysis and Simulation of Plant Disease Progress Curves	+999%+
10	splitfngr Combined Evaluation and Split Access of Functions	+999%+
11	GauPro Gaussian Process Fitting	+999%+
12	mixopt Mixed Variable Optimization	+999%+
13	rsamplr Sampling Algorithms and Spatially Balanced Sampling	+999%+
14	HonestDiD Robust Inference in Difference-in-Differences and Event Study Designs	+999%+
15	shinyGovstyle Custom Gov Style Inputs for Shiny	+999%+
16	graphicalExtremes Statistical Methodology for Graphical Extreme Value Models	+999%+
17	fdaSP Sparse Functional Data Analysis Methods	+805%
18	leaflet.extras Extra Functionality for 'leaflet' Package	+735%
19	conos Clustering on Network of Samples	+663%
20	lbfgs Limited-memory BFGS Optimization	+480%

Biggest debuts

1	GapAnalysis Conservation Indicators Using Spatial Information	14K
2	hrbrthemes Additional Themes, Theme Components and Utilities for 'ggplot2'	6.8K
3	arg Clean and Simple Argument Checking	3.6K
4	metacoder Tools for Parsing, Manipulating, and Graphing Taxonomic Abundance Data	953
5	albersdown Minimalist Theme and Vignette Kit for 'pkgdown' and R Markdown	892
6	survdistr Survival Distribution Container with Flexible Interpolation Methods	733
7	traits Species Trait Data from Around the Web	659
8	rjd3workspace Wrangling 'JDemetra+ 3.x' Workspaces	601
9	Nestimate Dynamic, Probabilistic, and Higher-Order Network Analysis	576
10	IOBR Immune Oncology Biological Research	563
11	mapSenegal Administrative Boundaries of Senegal	546
12	bayeslm Efficient Sampling for Gaussian Linear Regression with Arbitrary Priors	499
13	LSDinterface Interface Tools for 'LSD' Simulation Results Files	497
14	assemblykor Korean National Assembly Data for Political Science Education	490
15	bigANNOY Approximate k-Nearest Neighbour Search for 'bigmemory' Matrices with Annoy	487
16	bigKNN Exact Search and Graph Construction for 'bigmemory' Matrices	485
17	misc Miscellaneous Functions for Data and Geospatial Work	483
18	AgriDiversiX Agricultural Crop Diversification Indices Analysis	483
19	AIBias Longitudinal Bias Auditing for Sequential Decision Systems	483
20	soilassessment Soil Health Assessment Models for Assessing Soil Conditions and Suitability	481

Ecosystem health

5,207

Newly flagged

7,199

Recovered

+1,992

Net

Notable

Recovered from check failures (ERROR → OK)

Major version jumps

cograph 1.5.2→2.0.0 f1pits 0.2.0→1.2.0 openair 2.19.0→3.0.0 aboveR 0.1.0→1.0.0 synopR 0.2.2→1.0.0 autograph 0.6.0→1.0.0 autoMR 0.1.1→1.0.0 manynet 1.7.1→2.0.1 swash 1.3.3→2.0.0 CICI 0.9.8→1.0 misl 1.0.0→2.0.0 weatherOz 2.0.2→3.0.0 pkgndep 1.99.3→2.0.0 varPro 2.1.0→3.0.0 toscca 0.1.1→1.0 NNS 11.6.5→12.0 highlightr 1.2.0→2.0.0 lightr 1.9.0→2.0.0 epifitter 0.3.0→1.0.0 qcluster 1.2.1→2.0.0

First-time CRAN authors

Olivia Banks Bradley R. Buchsbaum ×2 Christian Chacua Volha Chykina Micah Gell-Redman Muhammet Murat Gorgoz Victor Kilanko Rahul Patil Kumar Alexander H.K. Montoye Mehmet Guvenc Negiz Kursad Ozkan John Staudenmayer Eliezyer de Oliveira Christopher R P Brown Jan Engelstaedter Andrew Letten Chang Liu Mustapha Wasseja Mohammed ×2 Linh Nghiem Phillip D Alderman