diff --git a/renv.lock b/renv.lock
index 371f92e..73319bd 100644
--- a/renv.lock
+++ b/renv.lock
@@ -1,6 +1,6 @@
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@@ -8,1699 +8,5 @@
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-        "cli",
-        "glue",
-        "lifecycle",
-        "rlang"
-      ],
-      "Hash": "266c1ca411266ba8f365fcc726444b87"
-    },
-    "viridisLite": {
-      "Package": "viridisLite",
-      "Version": "0.4.2",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R"
-      ],
-      "Hash": "c826c7c4241b6fc89ff55aaea3fa7491"
-    },
-    "vroom": {
-      "Package": "vroom",
-      "Version": "1.6.4",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R",
-        "bit64",
-        "cli",
-        "cpp11",
-        "crayon",
-        "glue",
-        "hms",
-        "lifecycle",
-        "methods",
-        "progress",
-        "rlang",
-        "stats",
-        "tibble",
-        "tidyselect",
-        "tzdb",
-        "vctrs",
-        "withr"
-      ],
-      "Hash": "9db52c1656cf19c124f93124ea57f0fd"
-    },
-    "withr": {
-      "Package": "withr",
-      "Version": "2.5.2",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R",
-        "grDevices",
-        "graphics",
-        "stats"
-      ],
-      "Hash": "4b25e70111b7d644322e9513f403a272"
-    },
-    "xfun": {
-      "Package": "xfun",
-      "Version": "0.41",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "stats",
-        "tools"
-      ],
-      "Hash": "460a5e0fe46a80ef87424ad216028014"
-    },
-    "xml2": {
-      "Package": "xml2",
-      "Version": "1.3.6",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R",
-        "methods"
-      ],
-      "Hash": "6c40e5cfcc6aefd88110666e18c31f40"
-    },
-    "xtable": {
-      "Package": "xtable",
-      "Version": "1.8-4",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "R",
-        "stats",
-        "utils"
-      ],
-      "Hash": "b8acdf8af494d9ec19ccb2481a9b11c2"
-    },
-    "yaml": {
-      "Package": "yaml",
-      "Version": "2.3.7",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Hash": "0d0056cc5383fbc240ccd0cb584bf436"
-    }
-  }
+  "Packages": {}
 }
diff --git a/renv/activate.R b/renv/activate.R
index cb5401f..25a7469 100644
--- a/renv/activate.R
+++ b/renv/activate.R
@@ -6,7 +6,9 @@ local({
   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")
@@ -75,6 +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
   }
@@ -108,6 +191,24 @@ 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
+    text <- paste(substring(lines, common), collapse = "\n")
+  
+    # substitute in ANSI links for executable renv code
+    ansify(text)
+  
+  }
+  
   startswith <- function(string, prefix) {
     substring(string, 1, nchar(prefix)) == prefix
   }
@@ -267,8 +368,11 @@ local({
       quiet    = TRUE
     )
   
-    if ("headers" %in% names(formals(utils::download.file)))
-      args$headers <- renv_bootstrap_download_custom_headers(url)
+    if ("headers" %in% names(formals(utils::download.file))) {
+      headers <- renv_bootstrap_download_custom_headers(url)
+      if (length(headers) && is.character(headers))
+        args$headers <- headers
+    }
   
     do.call(utils::download.file, args)
   
@@ -347,10 +451,21 @@ 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(repos)
+          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
@@ -432,6 +547,14 @@ 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")
@@ -439,16 +562,16 @@ 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)
@@ -610,6 +733,9 @@ 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 +927,23 @@ 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 +1166,7 @@ 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 +1175,7 @@ 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 +1188,14 @@ 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 +1243,14 @@ 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 +1277,7 @@ 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))
       }
     }