diff --git a/CHANGELOG.md b/CHANGELOG.md
index adc83dd..d763503 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,24 @@
+### 0.7.2 - Nov 4, 2021
+
+- add `ONMISSION` variable that can be used to manipulate the global player's on a mission status
+
+```js
+if (!ONMISSION) {
+    showTextBox("Not on a mission. Setting ONMISSION to true");
+    ONMISSION = true;
+}
+```
+
+#### BREAKING CHANGE
+
+- using `new` operator on a static object (for which Sanny Builder Library does not define a constructor, e.g. `Audio` or `Hud`) now throws an error:
+
+```js
+    var hud = new Hud(); // error: Hud is not constructable
+```
+
+- minimum required version of `sa.json` is `0.166` 
+
 ### 0.7.1 - Nov 02, 2021
 
 - new static function `Memory.Translate` to get memory address of a function or variable by its name (see [documentation](using-memory.md#finding-memory-addresses-in-re3-and-revc))
diff --git a/README.md b/README.md
index 1919f19..e864aa4 100644
--- a/README.md
+++ b/README.md
@@ -193,7 +193,7 @@ When JavaScript is enabled CLEO Redux needs commands definitions from https://li
 Minimum required version of the commands definitions: 
  * `gta3.json`: `0.99`
  * `vc.json`: `0.143`
- * `sa.json`: `0.164`
+ * `sa.json`: `0.166`
 
 ### Script Lifecycle
 
@@ -306,6 +306,28 @@ if (GAME === "sa") {
 }
 ```
 
+- `ONMISSION` - global flag controlling whether the player is on a mission now.
+
+```js
+if (!ONMISSION) {
+    showTextBox("Not on a mission. Setting ONMISSION to true");
+    ONMISSION = true;
+}
+```
+
+- `TIMERA` and `TIMERB` - two auto-incrementing timers useful for measuring time intervals.
+
+```js
+while(true) {
+    TIMERA = 0;
+    // wait 1000 ms
+    while(TIMERA < 1000) {
+        wait(0)
+    }
+    showTextBox("1 second passed")
+}
+```
+
 - `log(...values)` - prints comma-separated `{values}` to the `cleo_redux.log`
 
 ```js
@@ -328,10 +350,14 @@ while (true) {
 showTextBox("Hello, world!");
 ```
 
-- family of static methods in the `Memory` class for manipulating different data types. See the [Memory guide](using-memory.md) for more information.
-
 - `exit(reason?)` - terminates the script immediately. `exit` function accepts an optional string argument that will be added to the `cleo_redux.log`.
 
+```js
+  exit("Script ended");
+```
+
+- family of static methods in the `Memory` class for manipulating different data types. See the [Memory guide](using-memory.md) for more information.
+
 ### Deprecated
 
 Note: usage of the following commands is not recommended.
diff --git a/examples/free_resprays[mem].js b/examples/free_resprays[mem].js
index d15717a..248d658 100644
--- a/examples/free_resprays[mem].js
+++ b/examples/free_resprays[mem].js
@@ -6,6 +6,7 @@ if (GAME !== "re3" && GAME !== "reVC") {
 
 wait(1000);
 var addr = Memory.Translate("CGarages::RespraysAreFree");
-Memory.WriteU8(addr, 1, 0);
-
-showTextBox("Resprays are free now!");
+if (addr) {
+  Memory.WriteU8(addr, true, false);
+  showTextBox("Resprays are free now!");
+}
diff --git a/website/index.html b/website/index.html
index 56e6fc7..d69adad 100644
--- a/website/index.html
+++ b/website/index.html
@@ -97,7 +97,7 @@ <h1 class="font-weight-bold d-flex justify-content-center">
                 href="https://github.com/cleolibrary/CLEO-Redux/releases/latest"
                 >Download</a
               >
-              <small class="pt-1 text-muted">v0.7.1 | Nov 02, 2021</small>
+              <small class="pt-1 text-muted">v0.7.2 | Nov 04, 2021</small>
             </div>
           </div>
         </div>