diff --git a/DESCRIPTION b/DESCRIPTION
index d6a2121..c17a415 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: checked
 Title: Systematically Run R CMD Checks
-Version: 0.2.7
+Version: 0.2.8
 Authors@R:
     c(
       person(
diff --git a/NEWS.md b/NEWS.md
index a65bd51..44b2e40 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,8 @@
+# checked 0.2.8
+
+* Unify notes, warnings and errors are internally stored when generating
+  results (R4.5 compatibility)
+  
 # checked 0.2.7
 
 * Fix a bug where wrong lib.loc was used to derive whether a package has already
diff --git a/R/results.R b/R/results.R
index 975b5ad..4fefc2c 100644
--- a/R/results.R
+++ b/R/results.R
@@ -98,11 +98,13 @@ results.revdep_check_task_spec <- function(x, y, output, ...) {
   structure(
     lapply(CHECK_ISSUES_TYPES, function(i) {
       new_i <- structure(
-        new[[i]],
+        # If no issues identified, object is an empty list instead of a character
+        # vector. Changing it to empty character for consistency.
+        if (is.list(new[[i]])) character(0) else new[[i]],
         names = get_issue_header(new[[i]])
       )
       old_i <- structure(
-        old[[i]],
+        if (is.list(old[[i]])) character(0) else old[[i]],
         names = get_issue_header(old[[i]])
       )
 
@@ -373,10 +375,22 @@ print.potential_issues <- function(x, ...) {
 }
 
 strip_details_from_issue <- function(x) {
-  x <- gsub("See(.*?)for details", "See <path> for details", "", x)
-  gsub("[[:space:]]", "", x)
+  x <- gsub(
+    x = x,
+    pattern = "See(.*?)for details",
+    replacement = "See <path> for details"
+  )
+  gsub(
+    x = x,
+    pattern = "[[:space:]]",
+    replacement = ""
+  )
 }
 
 collapse_new_lines <- function(x) {
-  gsub("(\\n\\s*){2,}", "\n\n", x)  
+  gsub(
+    x = x,
+    pattern = "(\\n\\s*){2,}",
+    replacement = "\n\n",
+  )  
 }
diff --git a/R/task_graph.R b/R/task_graph.R
index 1d08fd9..52ccff8 100644
--- a/R/task_graph.R
+++ b/R/task_graph.R
@@ -211,7 +211,7 @@ task_graph_sort <- function(g) {
 
   # use only strong dependencies to prioritize by topology (leafs first)
   strong_edges <- igraph::E(g)[igraph::E(g)$type %in% DEP_STRONG]
-  g_strong <- igraph::subgraph.edges(g, strong_edges, delete.vertices = FALSE)
+  g_strong <- igraph::subgraph_from_edges(g, strong_edges, delete.vertices = FALSE)
   topo <- igraph::topo_sort(g_strong, mode = "in")
   priority_topo <- integer(length(g))
   priority_topo[match(topo$name, igraph::V(g)$name)] <- rev(seq_along(topo))