diff --git a/renv/activate.R b/renv/activate.R
index d13f9932..c360bf29 100644
--- a/renv/activate.R
+++ b/renv/activate.R
@@ -2,7 +2,7 @@
 local({
 
   # the requested version of renv
-  version <- "1.0.7"
+  version <- "1.0.9"
   attr(version, "sha") <- NULL
 
   # the project directory
@@ -98,6 +98,66 @@ local({
     unloadNamespace("renv")
 
   # load bootstrap tools   
+  ansify <- function(text) {
+    if (renv_ansify_enabled())
+      renv_ansify_enhanced(text)
+    else
+      renv_ansify_default(text)
+  }
+  
+  renv_ansify_enabled <- function() {
+  
+    override <- Sys.getenv("RENV_ANSIFY_ENABLED", unset = NA)
+    if (!is.na(override))
+      return(as.logical(override))
+  
+    pane <- Sys.getenv("RSTUDIO_CHILD_PROCESS_PANE", unset = NA)
+    if (identical(pane, "build"))
+      return(FALSE)
+  
+    testthat <- Sys.getenv("TESTTHAT", unset = "false")
+    if (tolower(testthat) %in% "true")
+      return(FALSE)
+  
+    iderun <- Sys.getenv("R_CLI_HAS_HYPERLINK_IDE_RUN", unset = "false")
+    if (tolower(iderun) %in% "false")
+      return(FALSE)
+  
+    TRUE
+  
+  }
+  
+  renv_ansify_default <- function(text) {
+    text
+  }
+  
+  renv_ansify_enhanced <- function(text) {
+  
+    # R help links
+    pattern <- "`\\?(renv::(?:[^`])+)`"
+    replacement <- "`\033]8;;ide:help:\\1\a?\\1\033]8;;\a`"
+    text <- gsub(pattern, replacement, text, perl = TRUE)
+  
+    # runnable code
+    pattern <- "`(renv::(?:[^`])+)`"
+    replacement <- "`\033]8;;ide:run:\\1\a\\1\033]8;;\a`"
+    text <- gsub(pattern, replacement, text, perl = TRUE)
+  
+    # return ansified text
+    text
+  
+  }
+  
+  renv_ansify_init <- function() {
+  
+    envir <- renv_envir_self()
+    if (renv_ansify_enabled())
+      assign("ansify", renv_ansify_enhanced, envir = envir)
+    else
+      assign("ansify", renv_ansify_default, envir = envir)
+  
+  }
+  
   `%||%` <- function(x, y) {
     if (is.null(x)) y else x
   }
@@ -142,7 +202,10 @@ local({
     # compute common indent
     indent <- regexpr("[^[:space:]]", lines)
     common <- min(setdiff(indent, -1L)) - leave
-    paste(substring(lines, common), collapse = "\n")
+    text <- paste(substring(lines, common), collapse = "\n")
+  
+    # substitute in ANSI links for executable renv code
+    ansify(text)
   
   }
   
@@ -306,7 +369,11 @@ local({
     )
   
     if ("headers" %in% names(formals(utils::download.file)))
-      args$headers <- renv_bootstrap_download_custom_headers(url)
+    {
+      headers <- renv_bootstrap_download_custom_headers(url)
+      if (length(headers) && is.character(headers))
+        args$headers <- headers
+    }
   
     do.call(utils::download.file, args)
   
@@ -385,10 +452,22 @@ local({
     for (type in types) {
       for (repos in renv_bootstrap_repos()) {
   
+        # build arguments for utils::available.packages() call
+        args <- list(type = type, repos = repos)
+  
+        # add custom headers if available -- note that
+        # utils::available.packages() will pass this to download.file()
+        if ("headers" %in% names(formals(utils::download.file)))
+        {
+          headers <- renv_bootstrap_download_custom_headers(url)
+          if (length(headers) && is.character(headers))
+            args$headers <- headers
+        }
+  
         # retrieve package database
         db <- tryCatch(
           as.data.frame(
-            utils::available.packages(type = type, repos = repos),
+            do.call(utils::available.packages, args),
             stringsAsFactors = FALSE
           ),
           error = identity
@@ -470,6 +549,14 @@ local({
   
   }
   
+  renv_bootstrap_github_token <- function() {
+    for (envvar in c("GITHUB_TOKEN", "GITHUB_PAT", "GH_TOKEN")) {
+      envval <- Sys.getenv(envvar, unset = NA)
+      if (!is.na(envval))
+        return(envval)
+    }
+  }
+  
   renv_bootstrap_download_github <- function(version) {
   
     enabled <- Sys.getenv("RENV_BOOTSTRAP_FROM_GITHUB", unset = "TRUE")
@@ -477,16 +564,16 @@ local({
       return(FALSE)
   
     # prepare download options
-    pat <- Sys.getenv("GITHUB_PAT")
-    if (nzchar(Sys.which("curl")) && nzchar(pat)) {
+    token <- renv_bootstrap_github_token()
+    if (nzchar(Sys.which("curl")) && nzchar(token)) {
       fmt <- "--location --fail --header \"Authorization: token %s\""
-      extra <- sprintf(fmt, pat)
+      extra <- sprintf(fmt, token)
       saved <- options("download.file.method", "download.file.extra")
       options(download.file.method = "curl", download.file.extra = extra)
       on.exit(do.call(base::options, saved), add = TRUE)
-    } else if (nzchar(Sys.which("wget")) && nzchar(pat)) {
+    } else if (nzchar(Sys.which("wget")) && nzchar(token)) {
       fmt <- "--header=\"Authorization: token %s\""
-      extra <- sprintf(fmt, pat)
+      extra <- sprintf(fmt, token)
       saved <- options("download.file.method", "download.file.extra")
       options(download.file.method = "wget", download.file.extra = extra)
       on.exit(do.call(base::options, saved), add = TRUE)
diff --git a/renv/profiles/lesson-requirements/renv.lock b/renv/profiles/lesson-requirements/renv.lock
index 550879df..b32d9d53 100644
--- a/renv/profiles/lesson-requirements/renv.lock
+++ b/renv/profiles/lesson-requirements/renv.lock
@@ -115,17 +115,17 @@
     },
     "bit": {
       "Package": "bit",
-      "Version": "4.0.5",
+      "Version": "4.5.0",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R"
       ],
-      "Hash": "d242abec29412ce988848d0294b208fd"
+      "Hash": "5dc7b2677d65d0e874fc4aaf0e879987"
     },
     "bit64": {
       "Package": "bit64",
-      "Version": "4.0.5",
+      "Version": "4.5.2",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -135,7 +135,7 @@
         "stats",
         "utils"
       ],
-      "Hash": "9fe98599ca456d6552421db0d6772d8f"
+      "Hash": "e84984bf5f12a18628d9a02322128dfd"
     },
     "blob": {
       "Package": "blob",
@@ -151,7 +151,7 @@
     },
     "broom": {
       "Package": "broom",
-      "Version": "1.0.6",
+      "Version": "1.0.7",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -167,7 +167,7 @@
         "tibble",
         "tidyr"
       ],
-      "Hash": "a4652c36d1f8abfc3ddf4774f768c934"
+      "Hash": "8fcc818f3b9887aebaf206f141437cc9"
     },
     "bslib": {
       "Package": "bslib",
@@ -299,13 +299,13 @@
     },
     "curl": {
       "Package": "curl",
-      "Version": "5.2.2",
+      "Version": "5.2.3",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R"
       ],
-      "Hash": "8f27335f2bcff4d6035edcc82d7d46de"
+      "Hash": "d91263322a58af798f6cf3b13fd56dde"
     },
     "data.table": {
       "Package": "data.table",
@@ -401,14 +401,13 @@
     },
     "evaluate": {
       "Package": "evaluate",
-      "Version": "0.24.0",
+      "Version": "1.0.0",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
-        "R",
-        "methods"
+        "R"
       ],
-      "Hash": "a1066cbc05caee9a4bf6d90f194ff4da"
+      "Hash": "6b567375113ceb7d9f800de4dd42218e"
     },
     "fansi": {
       "Package": "fansi",
@@ -535,14 +534,14 @@
     },
     "glue": {
       "Package": "glue",
-      "Version": "1.7.0",
+      "Version": "1.8.0",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "methods"
       ],
-      "Hash": "e0b3a53876554bd45879e596cdb10a52"
+      "Hash": "5899f1eaa825580172bb56c08266f37c"
     },
     "googledrive": {
       "Package": "googledrive",
@@ -735,13 +734,13 @@
     },
     "jsonlite": {
       "Package": "jsonlite",
-      "Version": "1.8.8",
+      "Version": "1.8.9",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "methods"
       ],
-      "Hash": "e1b9c55281c5adc4dd113652d9e26768"
+      "Hash": "4e993b65c2c3ffbffce7bb3e2c6f832b"
     },
     "knitr": {
       "Package": "knitr",
@@ -892,7 +891,7 @@
       "Package": "nlme",
       "Version": "3.1-166",
       "Source": "Repository",
-      "Repository": "CRAN",
+      "Repository": "RSPM",
       "Requirements": [
         "R",
         "graphics",
@@ -904,13 +903,13 @@
     },
     "openssl": {
       "Package": "openssl",
-      "Version": "2.2.1",
+      "Version": "2.2.2",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "askpass"
       ],
-      "Hash": "c62edf62de70cadf40553e10c739049d"
+      "Hash": "d413e0fef796c9401a4419485f709ca1"
     },
     "pillar": {
       "Package": "pillar",
@@ -978,14 +977,14 @@
     },
     "ps": {
       "Package": "ps",
-      "Version": "1.7.7",
+      "Version": "1.8.0",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "utils"
       ],
-      "Hash": "878b467580097e9c383acbb16adab57a"
+      "Hash": "4b9c8485b0c7eecdf0a9ba5132a45576"
     },
     "purrr": {
       "Package": "purrr",
@@ -1004,14 +1003,14 @@
     },
     "ragg": {
       "Package": "ragg",
-      "Version": "1.3.2",
+      "Version": "1.3.3",
       "Source": "Repository",
-      "Repository": "https://carpentries.r-universe.dev",
+      "Repository": "CRAN",
       "Requirements": [
         "systemfonts",
         "textshaping"
       ],
-      "Hash": "e3087db406e079a8a2fd87f413918ed3"
+      "Hash": "0595fe5e47357111f29ad19101c7d271"
     },
     "rappdirs": {
       "Package": "rappdirs",
@@ -1090,13 +1089,13 @@
     },
     "renv": {
       "Package": "renv",
-      "Version": "1.0.7",
+      "Version": "1.0.9",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "utils"
       ],
-      "Hash": "397b7b2a265bc5a7a06852524dabae20"
+      "Hash": "ef233f0e9064fc88c898b340c9add5c2"
     },
     "reprex": {
       "Package": "reprex",
@@ -1232,6 +1231,9 @@
       "Version": "1.8.4",
       "Source": "Repository",
       "Repository": "https://carpentries.r-universe.dev",
+      "RemoteUrl": "https://github.com/gagolews/stringi",
+      "RemoteRef": "v1.8.4",
+      "RemoteSha": "f5a91d1869ec4c757d37519f710ec1fa4f74a1c8",
       "Requirements": [
         "R",
         "stats",
@@ -1269,6 +1271,9 @@
       "Version": "1.1.0",
       "Source": "Repository",
       "Repository": "https://carpentries.r-universe.dev",
+      "RemoteUrl": "https://github.com/r-lib/systemfonts",
+      "RemoteRef": "v1.1.0",
+      "RemoteSha": "78df90ca6d869feeb6a40c88f72269093505aa22",
       "Requirements": [
         "R",
         "cpp11",
@@ -1281,6 +1286,9 @@
       "Version": "0.4.0",
       "Source": "Repository",
       "Repository": "https://carpentries.r-universe.dev",
+      "RemoteUrl": "https://github.com/r-lib/textshaping",
+      "RemoteRef": "v0.4.0",
+      "RemoteSha": "76682df21dce8ef29e905a90dd05732a58b1249f",
       "Requirements": [
         "R",
         "cpp11",
@@ -1400,13 +1408,13 @@
     },
     "tinytex": {
       "Package": "tinytex",
-      "Version": "0.52",
+      "Version": "0.53",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "xfun"
       ],
-      "Hash": "cfbad971a71f0e27cec22e544a08bc3b"
+      "Hash": "9db859e8aabbb474293dde3097839420"
     },
     "tzdb": {
       "Package": "tzdb",
@@ -1519,6 +1527,9 @@
       "Version": "1.3.6",
       "Source": "Repository",
       "Repository": "https://carpentries.r-universe.dev",
+      "RemoteUrl": "https://github.com/r-lib/xml2",
+      "RemoteRef": "v1.3.6",
+      "RemoteSha": "6a1b5e8fd44601faffcd5c56b6837bbf6ee41322",
       "Requirements": [
         "R",
         "cli",