diff --git a/README.md b/README.md
index 86374faa9..1ea945e5b 100644
--- a/README.md
+++ b/README.md
@@ -78,7 +78,7 @@ NIMBLE. Journal of Computational and Graphical Statistics 26:403-413. [https://d
 
 In published work that uses NIMBLE, please also cite the package version:
 
-de Valpine, P., C. Paciorek, D. Turek, N. Michaud, C. Anderson-Bergman, F. Obermeyer, C. Wehrhahn Cortes, A. Rodriguez, D. Temple Lang, W. Zhang, S. Paganin, and P. van Dam-Bates. 2024. NIMBLE: MCMC, Particle Filtering, and Programmable Hierarchical Modeling.  doi: 10.5281/zenodo.1211190. R package version 1.4.1, https://cran.r-project.org/package=nimble.
+de Valpine, P., C. Paciorek, D. Turek, N. Michaud, C. Anderson-Bergman, F. Obermeyer, C. Wehrhahn Cortes, A. Rodriguez, D. Temple Lang, W. Zhang, S. Paganin, and P. van Dam-Bates. 2024. NIMBLE: MCMC, Particle Filtering, and Programmable Hierarchical Modeling.  doi: 10.5281/zenodo.1211190. R package version 1.4.2, https://cran.r-project.org/package=nimble.
 
 To help us track usage to justify funding support for NIMBLE, please include the DOI in the citation.
 
diff --git a/packages/nimble/DESCRIPTION b/packages/nimble/DESCRIPTION
index 5ca30c937..8c9d46484 100644
--- a/packages/nimble/DESCRIPTION
+++ b/packages/nimble/DESCRIPTION
@@ -15,8 +15,8 @@ Description: A system for writing hierarchical statistical models largely
     of MCMC as the main goal of the 'BUGS'/'JAGS' language for writing models,
     one can use 'NIMBLE' for writing arbitrary other kinds of model-generic
     algorithms as well. A full User Manual is available at <https://r-nimble.org>.
-Version: 1.4.2
-Date: 2026-04-01
+Version: 1.4.3
+Date: 2026-05-01
 Maintainer: Christopher Paciorek <paciorek@stat.berkeley.edu>
 Authors@R: c(
     person("Perry", "de Valpine", role = "aut"),
diff --git a/packages/nimble/R/BUGS_modelDef.R b/packages/nimble/R/BUGS_modelDef.R
index 4e242023d..53e2d0f70 100644
--- a/packages/nimble/R/BUGS_modelDef.R
+++ b/packages/nimble/R/BUGS_modelDef.R
@@ -299,7 +299,7 @@ modelDefClass$methods(assignConstants = function(constants) {
         if(!is.list(constants) || is.null(names(constants)))   stop('constants argument must be a named list')
         list2env(constants, constantsEnv)
         constantsList <<- constants
-        constantsNamesList <<- lapply(ls(constants), as.name)
+        constantsNamesList <<- lapply(ls(constants, all.names = TRUE), as.name)
         constantLengths <- unlist(lapply(constants, length))
         if(any(constantLengths > 1)) {
             iLong <- which(constantLengths > 1)
@@ -1410,7 +1410,7 @@ expandContextAndReplacements <- function(allReplacements, allReplacementNameExpr
     
     ## when done, we will have created a new environment and want to remove the constants from it
     namesToRemoveAtEnd <- ls(constantsEnv)
-    constantsEnvCopy <- list2env(as.list(constantsEnv))
+    constantsEnvCopy <- list2env(as.list(constantsEnv, all.names = TRUE))
     ## some replacements like min(j:100) should no longer be needed but are still there
 
     ## If this all works, useContext can be removed
diff --git a/packages/nimble/R/BUGS_nimbleGraph.R b/packages/nimble/R/BUGS_nimbleGraph.R
index 39900a585..a3d1d208a 100644
--- a/packages/nimble/R/BUGS_nimbleGraph.R
+++ b/packages/nimble/R/BUGS_nimbleGraph.R
@@ -194,7 +194,7 @@ getConditionallyIndependentSets <- function(model,
 
   if(!missing(nodes)) {
     if(missing(givenNodes))
-      givenNodesIDs <- setdiff(givenNodeIDs, nodeIDs)
+      givenNodeIDs <- setdiff(givenNodeIDs, nodeIDs)
   }
   if(!missing(givenNodes)) {
     nodeIDs <- setdiff(nodeIDs, givenNodeIDs)