diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8a653b51..1be93671 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@ All notable changes to this project will be documented in this file.
 
 ## Unreleased - ???
 - Add `doc-of` for reverse documentation lookup.
+- Add `ev/give-supervsior` to send a message to the supervising channel.
 - Add `ev/gather` and `chan` argument to `ev/go`. This new argument allows "supervisor channels"
   for fibers to enable structured concurrency.
 - Make `-k` flag work on stdin if no files are given.
@@ -28,7 +29,8 @@ All notable changes to this project will be documented in this file.
   the project root. This is backwards incompatible and dependencies should be updated for this.
 - Change hash function for numbers.
 - Improve error handling of `dofile`.
-- Bug fixes in networking code and improvements in doc strings.
+- Bug fixes in networking and subprocess code.
+- Use markdown formatting in more places for docstrings.
 
 ## 1.13.1 - 2020-12-13
 - Pretty printing a table with a prototype will look for `:_name` instead of `:name`
diff --git a/src/boot/boot.janet b/src/boot/boot.janet
index 05da3566..0819bdb0 100644
--- a/src/boot/boot.janet
+++ b/src/boot/boot.janet
@@ -3285,7 +3285,8 @@
 
   (if-let [jp (getenv-alias "JANET_PATH")] (setdyn :syspath jp))
   (if-let [jp (getenv-alias "JANET_HEADERPATH")] (setdyn :headerpath jp))
-
+  (if-let [jprofile (getenv-alias "JANET_PROFILE")] (setdyn :profilepath jprofile))
+  
   # Flag handlers
   (def handlers
     {"h" (fn [&]
@@ -3299,6 +3300,7 @@
                -e code : Execute a string of janet
                -d : Set the debug flag in the REPL
                -r : Enter the REPL after running all scripts
+               -R : Disables loading profile.janet when JANET_PROFILE is present
                -p : Keep on executing if there is a top-level error (persistent)
                -q : Hide logo (quiet)
                -k : Compile scripts but do not execute (flycheck)
@@ -3332,7 +3334,8 @@
            (set *no-file* false)
            (eval-string (in args (+ i 1)))
            2)
-     "d" (fn [&] (set *debug* true) 1)})
+     "d" (fn [&] (set *debug* true) 1)
+     "R" (fn [&] (setdyn :profilepath nil) 1)})
 
   (defn- dohandler [n i &]
     (def h (in handlers n))
@@ -3374,6 +3377,9 @@
           (file/flush stdout)
           (file/read stdin :line buf))
         (def env (make-env))
+        (when-let [profile.janet (dyn :profilepath)] 
+            (def new-env (dofile profile.janet :exit true))
+            (merge-module env new-env "" false))
         (if *debug* (put env :debug true))
         (def getter (if *raw-stdin* getstdin getline))
         (defn getchunk [buf p]