diff --git a/.gitignore b/.gitignore
index 1b08393..b53ad02 100644
--- a/.gitignore
+++ b/.gitignore
@@ -54,3 +54,4 @@ renv/sandbox # OPTIONAL
 
 # Mac specific files
 .DS_Store
+renv/sandbox
diff --git a/renv/activate.R b/renv/activate.R
index cb5401f..d13f993 100644
--- a/renv/activate.R
+++ b/renv/activate.R
@@ -2,11 +2,13 @@
 local({
 
   # the requested version of renv
-  version <- "1.0.3"
+  version <- "1.0.7"
   attr(version, "sha") <- NULL
 
   # the project directory
-  project <- getwd()
+  project <- Sys.getenv("RENV_PROJECT")
+  if (!nzchar(project))
+    project <- getwd()
 
   # use start-up diagnostics if enabled
   diagnostics <- Sys.getenv("RENV_STARTUP_DIAGNOSTICS", unset = "FALSE")
@@ -31,6 +33,14 @@ local({
     if (!is.null(override))
       return(override)
 
+    # if we're being run in a context where R_LIBS is already set,
+    # don't load -- presumably we're being run as a sub-process and
+    # the parent process has already set up library paths for us
+    rcmd <- Sys.getenv("R_CMD", unset = NA)
+    rlibs <- Sys.getenv("R_LIBS", unset = NA)
+    if (!is.na(rlibs) && !is.na(rcmd))
+      return(FALSE)
+
     # next, check environment variables
     # TODO: prefer using the configuration one in the future
     envvars <- c(
@@ -50,9 +60,22 @@ local({
 
   })
 
-  if (!enabled)
+  # bail if we're not enabled
+  if (!enabled) {
+
+    # if we're not enabled, we might still need to manually load
+    # the user profile here
+    profile <- Sys.getenv("R_PROFILE_USER", unset = "~/.Rprofile")
+    if (file.exists(profile)) {
+      cfg <- Sys.getenv("RENV_CONFIG_USER_PROFILE", unset = "TRUE")
+      if (tolower(cfg) %in% c("true", "t", "1"))
+        sys.source(profile, envir = globalenv())
+    }
+
     return(FALSE)
 
+  }
+
   # avoid recursion
   if (identical(getOption("renv.autoloader.running"), TRUE)) {
     warning("ignoring recursive attempt to run renv autoloader")
@@ -108,6 +131,21 @@ local({
   
   }
   
+  heredoc <- function(text, leave = 0) {
+  
+    # remove leading, trailing whitespace
+    trimmed <- gsub("^\\s*\\n|\\n\\s*$", "", text)
+  
+    # split into lines
+    lines <- strsplit(trimmed, "\n", fixed = TRUE)[[1L]]
+  
+    # compute common indent
+    indent <- regexpr("[^[:space:]]", lines)
+    common <- min(setdiff(indent, -1L)) - leave
+    paste(substring(lines, common), collapse = "\n")
+  
+  }
+  
   startswith <- function(string, prefix) {
     substring(string, 1, nchar(prefix)) == prefix
   }
@@ -610,6 +648,9 @@ local({
   
     # if the user has requested an automatic prefix, generate it
     auto <- Sys.getenv("RENV_PATHS_PREFIX_AUTO", unset = NA)
+    if (is.na(auto) && getRversion() >= "4.4.0")
+      auto <- "TRUE"
+  
     if (auto %in% c("TRUE", "True", "true", "1"))
       return(renv_bootstrap_platform_prefix_auto())
   
@@ -801,24 +842,23 @@ local({
   
     # the loaded version of renv doesn't match the requested version;
     # give the user instructions on how to proceed
-    remote <- if (!is.null(description[["RemoteSha"]])) {
+    dev <- identical(description[["RemoteType"]], "github")
+    remote <- if (dev)
       paste("rstudio/renv", description[["RemoteSha"]], sep = "@")
-    } else {
+    else
       paste("renv", description[["Version"]], sep = "@")
-    }
   
     # display both loaded version + sha if available
     friendly <- renv_bootstrap_version_friendly(
       version = description[["Version"]],
-      sha     = description[["RemoteSha"]]
+      sha     = if (dev) description[["RemoteSha"]]
     )
   
-    fmt <- paste(
-      "renv %1$s was loaded from project library, but this project is configured to use renv %2$s.",
-      "- Use `renv::record(\"%3$s\")` to record renv %1$s in the lockfile.",
-      "- Use `renv::restore(packages = \"renv\")` to install renv %2$s into the project library.",
-      sep = "\n"
-    )
+    fmt <- heredoc("
+      renv %1$s was loaded from project library, but this project is configured to use renv %2$s.
+      - Use `renv::record(\"%3$s\")` to record renv %1$s in the lockfile.
+      - Use `renv::restore(packages = \"renv\")` to install renv %2$s into the project library.
+    ")
     catf(fmt, friendly, renv_bootstrap_version_friendly(version), remote)
   
     FALSE
@@ -1041,7 +1081,7 @@ local({
     # if jsonlite is loaded, use that instead
     if ("jsonlite" %in% loadedNamespaces()) {
   
-      json <- catch(renv_json_read_jsonlite(file, text))
+      json <- tryCatch(renv_json_read_jsonlite(file, text), error = identity)
       if (!inherits(json, "error"))
         return(json)
   
@@ -1050,7 +1090,7 @@ local({
     }
   
     # otherwise, fall back to the default JSON reader
-    json <- catch(renv_json_read_default(file, text))
+    json <- tryCatch(renv_json_read_default(file, text), error = identity)
     if (!inherits(json, "error"))
       return(json)
   
@@ -1063,14 +1103,14 @@ local({
   }
   
   renv_json_read_jsonlite <- function(file = NULL, text = NULL) {
-    text <- paste(text %||% read(file), collapse = "\n")
+    text <- paste(text %||% readLines(file, warn = FALSE), collapse = "\n")
     jsonlite::fromJSON(txt = text, simplifyVector = FALSE)
   }
   
   renv_json_read_default <- function(file = NULL, text = NULL) {
   
     # find strings in the JSON
-    text <- paste(text %||% read(file), collapse = "\n")
+    text <- paste(text %||% readLines(file, warn = FALSE), collapse = "\n")
     pattern <- '["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]'
     locs <- gregexpr(pattern, text, perl = TRUE)[[1]]
   
@@ -1118,14 +1158,14 @@ local({
     map <- as.list(map)
   
     # remap strings in object
-    remapped <- renv_json_remap(json, map)
+    remapped <- renv_json_read_remap(json, map)
   
     # evaluate
     eval(remapped, envir = baseenv())
   
   }
   
-  renv_json_remap <- function(json, map) {
+  renv_json_read_remap <- function(json, map) {
   
     # fix names
     if (!is.null(names(json))) {
@@ -1152,7 +1192,7 @@ local({
     # recurse
     if (is.recursive(json)) {
       for (i in seq_along(json)) {
-        json[i] <- list(renv_json_remap(json[[i]], map))
+        json[i] <- list(renv_json_read_remap(json[[i]], map))
       }
     }
   
diff --git a/renv/profiles/lesson-requirements/renv.lock b/renv/profiles/lesson-requirements/renv.lock
index 22eb9ac..9a64132 100644
--- a/renv/profiles/lesson-requirements/renv.lock
+++ b/renv/profiles/lesson-requirements/renv.lock
@@ -1,6 +1,6 @@
 {
   "R": {
-    "Version": "4.3.1",
+    "Version": "4.4.1",
     "Repositories": [
       {
         "Name": "carpentries",
@@ -39,85 +39,76 @@
     },
     "bslib": {
       "Package": "bslib",
-      "Version": "0.5.1",
+      "Version": "0.8.0",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "base64enc",
         "cachem",
+        "fastmap",
         "grDevices",
         "htmltools",
         "jquerylib",
         "jsonlite",
+        "lifecycle",
         "memoise",
         "mime",
         "rlang",
         "sass"
       ],
-      "Hash": "283015ddfbb9d7bf15ea9f0b5698f0d9"
+      "Hash": "b299c6741ca9746fb227debcb0f9fb6c"
     },
     "cachem": {
       "Package": "cachem",
-      "Version": "1.0.8",
+      "Version": "1.1.0",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "fastmap",
         "rlang"
       ],
-      "Hash": "c35768291560ce302c0a6589f92e837d"
+      "Hash": "cd9a672193789068eb5a2aad65a0dedf"
     },
     "cli": {
       "Package": "cli",
-      "Version": "3.6.2",
+      "Version": "3.6.3",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "utils"
       ],
-      "Hash": "1216ac65ac55ec0058a6f75d7ca0fd52"
+      "Hash": "b21916dd77a27642b447374a5d30ecf3"
     },
     "digest": {
       "Package": "digest",
-      "Version": "0.6.33",
+      "Version": "0.6.36",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "utils"
       ],
-      "Hash": "b18a9cf3c003977b0cc49d5e76ebe48d"
-    },
-    "ellipsis": {
-      "Package": "ellipsis",
-      "Version": "0.3.2",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R",
-        "rlang"
-      ],
-      "Hash": "bb0eec2fe32e88d9e2836c2f73ea2077"
+      "Hash": "fd6824ad91ede64151e93af67df6376b"
     },
     "evaluate": {
       "Package": "evaluate",
-      "Version": "0.22",
+      "Version": "0.24.0",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "methods"
       ],
-      "Hash": "66f39c7a21e03c4dcb2c2d21d738d603"
+      "Hash": "a1066cbc05caee9a4bf6d90f194ff4da"
     },
     "fastmap": {
       "Package": "fastmap",
-      "Version": "1.1.1",
+      "Version": "1.2.0",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "f7736a18de97dea803bde0a2daaafb27"
+      "Hash": "aa5e1cd11c2d15497494c5292d7ffcc8"
     },
     "fontawesome": {
       "Package": "fontawesome",
@@ -133,14 +124,14 @@
     },
     "fs": {
       "Package": "fs",
-      "Version": "1.6.3",
+      "Version": "1.6.4",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "methods"
       ],
-      "Hash": "47b5f30c720c23999b913a1a635cf0bb"
+      "Hash": "15aeb8c27f5ea5161f9f6a641fafd93a"
     },
     "glue": {
       "Package": "glue",
@@ -155,31 +146,30 @@
     },
     "highr": {
       "Package": "highr",
-      "Version": "0.10",
+      "Version": "0.11",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "xfun"
       ],
-      "Hash": "06230136b2d2b9ba5805e1963fa6e890"
+      "Hash": "d65ba49117ca223614f71b60d85b8ab7"
     },
     "htmltools": {
       "Package": "htmltools",
-      "Version": "0.5.6.1",
+      "Version": "0.5.8.1",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "base64enc",
         "digest",
-        "ellipsis",
         "fastmap",
         "grDevices",
         "rlang",
         "utils"
       ],
-      "Hash": "1e12fe667316a76508898839ecfb2d00"
+      "Hash": "81d371a9cc60640e74e4ab6ac46dcedc"
     },
     "jquerylib": {
       "Package": "jquerylib",
@@ -193,17 +183,17 @@
     },
     "jsonlite": {
       "Package": "jsonlite",
-      "Version": "1.8.7",
+      "Version": "1.8.8",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "methods"
       ],
-      "Hash": "266a20443ca13c65688b2116d5220f76"
+      "Hash": "e1b9c55281c5adc4dd113652d9e26768"
     },
     "knitr": {
       "Package": "knitr",
-      "Version": "1.44",
+      "Version": "1.48",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -215,7 +205,7 @@
         "xfun",
         "yaml"
       ],
-      "Hash": "60885b9f746c9dfaef110d070b5f7dc0"
+      "Hash": "acf380f300c721da9fde7df115a5f86f"
     },
     "lifecycle": {
       "Package": "lifecycle",
@@ -230,16 +220,6 @@
       ],
       "Hash": "b8552d117e1b808b09a832f589b79035"
     },
-    "magrittr": {
-      "Package": "magrittr",
-      "Version": "2.0.3",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R"
-      ],
-      "Hash": "7ce2733a9826b3aeb1775d56fd305472"
-    },
     "memoise": {
       "Package": "memoise",
       "Version": "2.0.1",
@@ -273,13 +253,13 @@
     },
     "renv": {
       "Package": "renv",
-      "Version": "1.0.3",
+      "Version": "1.0.7",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "utils"
       ],
-      "Hash": "41b847654f567341725473431dd0d5ab"
+      "Hash": "397b7b2a265bc5a7a06852524dabae20"
     },
     "rlang": {
       "Package": "rlang",
@@ -294,7 +274,7 @@
     },
     "rmarkdown": {
       "Package": "rmarkdown",
-      "Version": "2.25",
+      "Version": "2.27",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -307,18 +287,17 @@
         "jsonlite",
         "knitr",
         "methods",
-        "stringr",
         "tinytex",
         "tools",
         "utils",
         "xfun",
         "yaml"
       ],
-      "Hash": "d65e35823c817f09f4de424fcdfa812a"
+      "Hash": "27f9502e1cdbfa195f94e03b0f517484"
     },
     "sass": {
       "Package": "sass",
-      "Version": "0.4.7",
+      "Version": "0.4.9",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -328,79 +307,36 @@
         "rappdirs",
         "rlang"
       ],
-      "Hash": "6bd4d33b50ff927191ec9acbf52fd056"
-    },
-    "stringi": {
-      "Package": "stringi",
-      "Version": "1.7.12",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R",
-        "stats",
-        "tools",
-        "utils"
-      ],
-      "Hash": "ca8bd84263c77310739d2cf64d84d7c9"
-    },
-    "stringr": {
-      "Package": "stringr",
-      "Version": "1.5.0",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R",
-        "cli",
-        "glue",
-        "lifecycle",
-        "magrittr",
-        "rlang",
-        "stringi",
-        "vctrs"
-      ],
-      "Hash": "671a4d384ae9d32fc47a14e98bfa3dc8"
+      "Hash": "d53dbfddf695303ea4ad66f86e99b95d"
     },
     "tinytex": {
       "Package": "tinytex",
-      "Version": "0.48",
+      "Version": "0.52",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "xfun"
       ],
-      "Hash": "8f96d229b7311beb32b94cf413b13f84"
-    },
-    "vctrs": {
-      "Package": "vctrs",
-      "Version": "0.6.5",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R",
-        "cli",
-        "glue",
-        "lifecycle",
-        "rlang"
-      ],
-      "Hash": "c03fa420630029418f7e6da3667aac4a"
+      "Hash": "cfbad971a71f0e27cec22e544a08bc3b"
     },
     "xfun": {
       "Package": "xfun",
-      "Version": "0.40",
+      "Version": "0.46",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
+        "grDevices",
         "stats",
         "tools"
       ],
-      "Hash": "be07d23211245fc7d4209f54c4e4ffc8"
+      "Hash": "00ce32f398db0415dde61abfef11300c"
     },
     "yaml": {
       "Package": "yaml",
-      "Version": "2.3.7",
+      "Version": "2.3.10",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "0d0056cc5383fbc240ccd0cb584bf436"
+      "Hash": "51dab85c6c98e50a18d7551e9d49f76c"
     }
   }
 }