diff --git a/gradle.properties b/gradle.properties
index c053184cb..8b34c6687 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 # Mod properties
-mod_version=1.83.1
+mod_version=1.84.0
 
 # Minecraft properties
 mc_version=1.12.2
diff --git a/src/main/java/dan200/computercraft/api/turtle/ITurtleUpgrade.java b/src/main/java/dan200/computercraft/api/turtle/ITurtleUpgrade.java
index c28fcae74..08d89f177 100644
--- a/src/main/java/dan200/computercraft/api/turtle/ITurtleUpgrade.java
+++ b/src/main/java/dan200/computercraft/api/turtle/ITurtleUpgrade.java
@@ -109,8 +109,8 @@ public interface ITurtleUpgrade
      * Will only be called for Tool turtle. Called when turtle.dig() or turtle.attack() is called
      * by the turtle, and the tool is required to do some work.
      *
-     * Conforming implementations should fire {@link BlockEvent.BreakEvent} and {@link TurtleBlockEvent.Dig}for digging,
-     * {@link AttackEntityEvent} and {@link TurtleAttackEvent} for attacking.
+     * Conforming implementations should fire {@link BlockEvent.BreakEvent} and {@link TurtleBlockEvent.Dig} for
+     * digging, {@link AttackEntityEvent} and {@link TurtleAttackEvent} for attacking.
      *
      * @param turtle    Access to the turtle that the tool resides on.
      * @param side      Which side of the turtle (left or right) the tool resides on.
diff --git a/src/main/resources/assets/computercraft/lua/rom/help/changelog.txt b/src/main/resources/assets/computercraft/lua/rom/help/changelog.txt
index a9e543539..ae4ebbbc7 100644
--- a/src/main/resources/assets/computercraft/lua/rom/help/changelog.txt
+++ b/src/main/resources/assets/computercraft/lua/rom/help/changelog.txt
@@ -1,3 +1,18 @@
+New features in CC: Tweaked 1.84.0
+
+* Improve validation in rename, copy and delete programs
+* Add window.getLine - the inverse of blit
+* turtle.refuel no longer consumes more fuel than needed
+* Add "cc.expect" module, for improved argument type checks
+* Mount the ROM from all mod jars, not just CC's
+
+And several bug fixes:
+* Ensure file error messages use the absolute correct path
+* Fix NPE when closing a file multiple times.
+* Do not load chunks when calling writeDescription.
+* Fix the signature of loadfile
+* Fix turtles harvesting blocks multiple times
+
 # New features in CC: Tweaked 1.83.1
 
 * Add several new MOTD messages (JakobDev)
diff --git a/src/main/resources/assets/computercraft/lua/rom/help/whatsnew.txt b/src/main/resources/assets/computercraft/lua/rom/help/whatsnew.txt
index 55e2ac007..3c7ecacdd 100644
--- a/src/main/resources/assets/computercraft/lua/rom/help/whatsnew.txt
+++ b/src/main/resources/assets/computercraft/lua/rom/help/whatsnew.txt
@@ -1,10 +1,16 @@
-New features in CC: Tweaked 1.83.1
+New features in CC: Tweaked 1.84.0
 
-* Add several new MOTD messages (JakobDev)
+* Improve validation in rename, copy and delete programs
+* Add window.getLine - the inverse of blit
+* turtle.refuel no longer consumes more fuel than needed
+* Add "cc.expect" module, for improved argument type checks
+* Mount the ROM from all mod jars, not just CC's
 
 And several bug fixes:
-* Fix type check in `rednet.lookup`
-* Error if turtle and pocket computer programs are run on the wrong system (JakobDev)
-* Do not discard varargs after a nil.
+* Ensure file error messages use the absolute correct path
+* Fix NPE when closing a file multiple times.
+* Do not load chunks when calling writeDescription.
+* Fix the signature of loadfile
+* Fix turtles harvesting blocks multiple times
 
 Type "help changelog" to see the full version history.
diff --git a/src/main/resources/assets/computercraft/lua/rom/help/window.txt b/src/main/resources/assets/computercraft/lua/rom/help/window.txt
index 7fcf5d43e..ea3ea3d78 100644
--- a/src/main/resources/assets/computercraft/lua/rom/help/window.txt
+++ b/src/main/resources/assets/computercraft/lua/rom/help/window.txt
@@ -23,3 +23,4 @@ getPosition()
 reposition( x, y, width, height )
 getPaletteColor( color )
 setPaletteColor( color, r, g, b )
+getLine()