diff --git a/Changes.md b/Changes.md
index 61c19e2..e1bd1f7 100644
--- a/Changes.md
+++ b/Changes.md
@@ -28,7 +28,7 @@ end
 
 * [`app.apiVersion`](api/app.md#appapiversion) is `33`
 * Added  `Dialog:separator()` more in line with other widgets [#4989](https://github.com/aseprite/aseprite/issues/4989) (thanks to [@MapleGecko](https://github.com/aseprite/aseprite/pull/5181))
-* Added uuid field to layers [#5033](https://github.com/aseprite/aseprite/issues/5033)
+* Added [uuid field](api/layer.md#layeruuid) to layers [#5033](https://github.com/aseprite/aseprite/issues/5033)
 * Added `os.rename()` and `os.remove()` functions
 * Added `fitCriteria` parameter to `app.command.ChangePixelFormat` command [#4781](https://github.com/aseprite/aseprite/issues/4781)
 * Fixed `cel.image:clear()` cannot be undone [#5015](https://github.com/aseprite/aseprite/issues/5015)
@@ -37,9 +37,9 @@ end
 ## v1.3.13
 
 * [`app.apiVersion`](api/app.md#appapiversion) is `32`
-* New `app.clipboard` API [#2073](https://github.com/aseprite/aseprite/issues/2073)
-* New `beforesitechange` event [#4785](https://github.com/aseprite/aseprite/issues/4785)
-* New `plugin.version` and `plugin.displayName` properties [#4904](https://github.com/aseprite/aseprite/issues/4904)
+* New [`app.clipboard`](api/app_clipboard.md#appclipboard) API [#2073](https://github.com/aseprite/aseprite/issues/2073)
+* New [`beforesitechange`](api/app.md#appevents) event [#4785](https://github.com/aseprite/aseprite/issues/4785)
+* New [`plugin.version`](api/plugin.md#pluginversion) and [`plugin.displayName`](api/plugin.md#plugindisplayname) properties [#4904](https://github.com/aseprite/aseprite/issues/4904)
 * Don't allow to set invalid pixel ratios for sprites [#3285](https://github.com/aseprite/aseprite/issues/3285)
 * Fixed `Image:drawImage()` when `BlendMode.SRC` is used [#5001](https://github.com/aseprite/aseprite/issues/5001)
 
@@ -52,20 +52,20 @@ end
 ## v1.3.11-beta1
 
 * [`app.apiVersion`](api/app.md#appapiversion) is `30`
-* Added `GraphicsContext` for images: `Image.context` property [#4330](https://github.com/aseprite/aseprite/issues/4330)
+* Added `GraphicsContext` for images: [`Image.context`](api/image.md#imagecontext) property [#4330](https://github.com/aseprite/aseprite/issues/4330)
 * Added `ui`/`flatten`/`filename` parameters to `app.command.DuplicateSprite` command [#4755](https://github.com/aseprite/aseprite/issues/4755)
 
 ## v1.3.10
 
 * [`app.apiVersion`](api/app.md#appapiversion) is `30`
-* Added `app.editor.zoom`/`scroll` properties [#4722](https://github.com/aseprite/aseprite/issues/4722)
-* New option (`Dialog:show{ hand=true }`) to enable Hand tool in the active editor with a modal dialog (thanks to [@lampysprites](https://github.com/aseprite/aseprite/pull/4465))
+* Added [`app.editor.zoom`](api/editor.md#editorzoom)/[`scroll`](api/editor.md#editorscroll) properties [#4722](https://github.com/aseprite/aseprite/issues/4722)
+* New option ([`Dialog:show{ hand=true }`](api/dialog.md#dialogshow)) to enable Hand tool in the active editor with a modal dialog (thanks to [@lampysprites](https://github.com/aseprite/aseprite/pull/4465))
 
 ## v1.3.9.2
 
 * [`app.apiVersion`](api/app.md#appapiversion) is `29`
-* New `app.fgTile`/`bgTile` properties to get/set the foreground/background tile [#4403](https://github.com/aseprite/aseprite/issues/4403)
-* Added `Site.tilemapMode` property
+* New [`fgTile`](api/app.md#appfgtile)/[`bgTile`](api/app.md#appbgtile) properties to get/set the foreground/background tile [#4403](https://github.com/aseprite/aseprite/issues/4403)
+* Added [`Site.tilemapMode`](api/site.md#sitetilemapmode) property
 * Added `x` and `y` params to `app.command.Paste()`
 * Fixed `app.command.Cut`/`Paste` in `-batch` mode [#4354](https://github.com/aseprite/aseprite/issues/4354)
 * Fixed `app.command.Cancel()` command when used from scripts
diff --git a/README.md b/README.md
index 636155e..a7a421d 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,7 @@ a little experiment, so you have six options to approach your idea:
 
 Globals namespaces
   * [app](api/app.md#app)
+  * [app.clipboard](api/app_clipboard.md#appclipboard)
   * [app.command](api/app_command.md#appcommand)
   * [app.fs](api/app_fs.md#appfs)
   * [app.os](api/app_os.md#appos)
@@ -75,6 +76,7 @@ Classes/objects
   * [Events](api/events.md#events)
   * [Frame](api/frame.md#frame)
   * [GraphicsContext](api/graphicscontext.md#graphicscontext)
+  * [Grid](api/grid.md#grid)
   * [Image](api/image.md#image)
   * [ImageSpec](api/imagespec.md#imagespec)
   * [KeyEvent](api/keyevent.md#keyevent)
@@ -109,6 +111,6 @@ Lua libraries
   * [Table Manipulation](https://www.lua.org/manual/5.3/manual.html#6.6)
   * [Mathematical Functions](https://www.lua.org/manual/5.3/manual.html#6.7)
   * [Operating System Facilities](https://www.lua.org/manual/5.3/manual.html#6.9)
-    * Some functions like `os.remove`, `os.rename`, `os.exit`, `os.tmpname` are not available yet
+    * Some functions like `os.exit`, `os.tmpname` are not available yet
     * Other functions like `os.execute` and `io.open` will ask for permissions to the user
   * [The Debug Library](https://www.lua.org/manual/5.3/manual.html#6.10)
diff --git a/api/app.md b/api/app.md
index 5ee5ed4..4795921 100644
--- a/api/app.md
+++ b/api/app.md
@@ -97,6 +97,14 @@ Gets or sets the current foreground [color](color.md#color).
 Gets or sets the current background [color](color.md#color). Remember that
 some commands use the background color to clear the active layer.
 
+## app.fgTile
+
+Gets or sets the current foreground [tile](tile.md#tile).
+
+## app.bgTile
+
+Gets or sets the current background [tile](tile.md#tile).
+
 ## app.isUIAvailable
 
 Returns true if the UI is available. E.g. if this is true you can use
@@ -329,6 +337,7 @@ app.events:on('sitechange',
 Available events for `app`:
 
 * `'sitechange'`: When the user selects other sprite, layer, or frame.
+* `'beforesitechange'`: Before the user switches to other sprite, layer, or frame.
 * `'fgcolorchange'`: When the [Foreground color](https://www.aseprite.org/docs/color-bar/#foreground-color) in the color bar is changed.
 * `'bgcolorchange'`: When the [Background color](https://www.aseprite.org/docs/color-bar/#background-color) in the color bar is changed.
 * `'beforecommand'`: Before executing any command in the program.
diff --git a/api/app_clipboard.md b/api/app_clipboard.md
new file mode 100644
index 0000000..9a4a78f
--- /dev/null
+++ b/api/app_clipboard.md
@@ -0,0 +1,71 @@
+## app.clipboard
+
+A set of functions to handle the clipboard. 
+
+When calling a function with clipboard write access in a script, Aseprite will ask the user if they want to allow the function to run or stop the script. 
+
+![security popup](image/security.png)
+
+## app.clipboard.text
+
+```lua
+local text = app.clipboard.text
+```
+
+Gets or sets the clipboard text. Returns `nil` if there is no text.
+
+## app.clipboard.image
+
+```lua
+local image = app.clipboard.image
+```
+
+Gets or sets the clipboard [image](image.md#image). Returns `nil` if there is no image.
+
+## app.clipboard.content
+
+```lua
+local content = app.clipboard.content
+```
+
+Gets the content of the clipboard, as a table. Values:
+
+* `image`: An [image](image.md#image) object or `nil`
+* `selection`: A [selection](selection.md#selection) object or `nil`
+* `palette`: A [palette](palette.md#palette) object or `nil` 
+* `tileset`: A [tileset](tileset.md#tileset) object or `nil` 
+* `text`: A string or `nil` 
+
+Depending on what is copied, each value will be set differently. Case table:
+
+|             |An image is copied in Aseprite      |An image is copied externally|Text is copied|A portion of the Palette is copied                       |
+|-------------|------------------------------------|-----------------------------|--------------|---------------------------------------------------------|
+|`image`    |[Image](image.md#image)             |[Image](image.md#image)      |`nil`         |`nil`                                                    |
+|`selection`|[Selection](selection.md#selection) |`nil`                        |`nil`         |`nil`                                                    |
+|`palette`  |Sprite [palette](palette.md#palette)|`nil`                        |`nil`         |`nil`                                                    |
+|`tileset`  |`nil`                               |`nil`                        |`nil`         |`nil`                                                    |
+|`text`     |`nil`                               |`nil`                        |String        |String of selected colors in hex codes, seperated by `\n`|
+
+## app.clipboard.hasText
+
+```lua
+local hasText = app.clipboard.hasText
+```
+
+Returns true if the last item copied to the clipboard was text.
+
+## app.clipboard.hasImage
+
+```lua
+local hasImage = app.clipboard.hasImage
+```
+
+Returns true if the last item copied to the clipboard was an [image](image.md#image).
+
+## app.clipboard.clear()
+
+```lua
+app.clipboard.clear()
+```
+
+Clears the clipboard.
\ No newline at end of file
diff --git a/api/app_fs.md b/api/app_fs.md
index 9bbd8ec..cb5db1c 100644
--- a/api/app_fs.md
+++ b/api/app_fs.md
@@ -1,6 +1,6 @@
 # app.fs
 
-A set of function to handle file names and the file system.
+A set of functions to handle file names and the file system.
 
 # Path & File Name Manipulation
 
diff --git a/api/app_os.md b/api/app_os.md
index 099461f..70c86df 100644
--- a/api/app_os.md
+++ b/api/app_os.md
@@ -1,6 +1,6 @@
 # app.os
 
-A set of function to get properties about the running Operating System
+A set of functions to get properties about the running Operating System
 platform.
 
 ## app.os.name
diff --git a/api/dialog.md b/api/dialog.md
index a106e32..463998a 100644
--- a/api/dialog.md
+++ b/api/dialog.md
@@ -344,6 +344,7 @@ dlg:show{
   wait=false,
   bounds=Rectangle(),
   autoscrollbars=false,
+  hand=false
 }
 ```
 
@@ -367,6 +368,8 @@ to make it go out of the window/screen (depending if you are using single
 window UI or multiple windows UI) then scrollbars will be shown into your
 dialog when its content doesn't fit its bounds.
 
+If `{ hand=true }`, this enables the hand tool in the editor while the dialog is active. See the *Edit > Replace Color* menu for an example. Only useful if `{ wait=true }`.
+
 ## Dialog:slider()
 
 ```lua
diff --git a/api/editor.md b/api/editor.md
index 903ed02..d2db60d 100644
--- a/api/editor.md
+++ b/api/editor.md
@@ -30,6 +30,26 @@ local point = app.editor.mousePos
 Returns a [point](point.md#point) indicating the mouse position on the
 screen.
 
+## Editor.zoom
+
+```lua
+app.editor.zoom = 0.33333333333
+local zoom = app.editor.zoom
+
+local percentage = zoom * 100 -- 33.3%
+```
+
+Gets or sets the editor zoom as a float. To get a percentage, multiply by 100.
+
+## Editor.scroll
+
+```lua
+local scroll = app.editor.scroll 
+app.editor.scroll = scroll
+```
+
+Gets or sets the editor scroll (coordinates of sprite pixel to center the editor at) as a table, with values `x` and `y` as floats.
+
 ## Editor:askPoint()
 
 ```lua
diff --git a/api/grid.md b/api/grid.md
new file mode 100644
index 0000000..19a9583
--- /dev/null
+++ b/api/grid.md
@@ -0,0 +1,26 @@
+## Grid
+
+This is an object that defines the grid for a [tileset](tileset.md#tileset).
+
+## Grid()
+
+```lua
+Grid()
+Grid(otherGrid)
+```
+
+## Grid.tileSize
+
+```lua 
+local tileSize = grid.tileSize
+```
+
+Returns the [tile](tile.md#tile) width and height of a [tileset](tileset.md#tileset), as a [size](size.md#size).
+
+## Grid.origin
+
+```lua 
+local point = grid.origin
+```
+
+Returns the origin of the grid as a [point](point.md#point).
\ No newline at end of file
diff --git a/api/image.md b/api/image.md
index 589b9f5..37c33d3 100644
--- a/api/image.md
+++ b/api/image.md
@@ -126,6 +126,14 @@ local cel = image.cel
 Returns the [cel](cel.md#cel) to which this image belongs or `nil` if this
 image is not associated to a cel.
 
+## Image.context
+
+```lua
+local gc = image.context
+```
+
+The [GraphicsContext](graphicscontext.md#graphicscontext) object for this image.
+
 ## Image.bytes
 
 ```lua
diff --git a/api/image/security.png b/api/image/security.png
new file mode 100644
index 0000000..f9beb7f
Binary files /dev/null and b/api/image/security.png differ
diff --git a/api/layer.md b/api/layer.md
index b03fcf2..9a7334b 100644
--- a/api/layer.md
+++ b/api/layer.md
@@ -78,6 +78,14 @@ stack in descending order. For example, a layer with index `1` will
 lie beneath a layer with index `2`, assuming the layers share the same
 parent.
 
+## Layer.uuid
+
+```lua
+local uuid = layer.uuid
+```
+
+Returns the [uuid](uuid.md#uuid) of the layer.
+
 ## Layer.isImage
 
 Gets whether or not the layer contains [cels](cel.md#cel) with
diff --git a/api/plugin.md b/api/plugin.md
index ac8b639..6c99859 100644
--- a/api/plugin.md
+++ b/api/plugin.md
@@ -65,6 +65,14 @@ Extensions > Add Extension*.
 
 Name of the extension.
 
+## Plugin.displayName
+
+Display name of the extension.
+
+## Plugin.version
+
+Version of the extension.
+
 ## Plugin.path
 
 Path where the extension is installed.
diff --git a/api/sprite.md b/api/sprite.md
index 1a6066e..da49951 100644
--- a/api/sprite.md
+++ b/api/sprite.md
@@ -193,6 +193,19 @@ end
 
 An array of [slices](slice.md#slice).
 
+## Sprite.tilesets
+
+```lua
+for i,tileset in ipairs(s.tilesets) do
+  -- ...
+end
+for i = 1,#s.tilesets do
+  -- s.tilesets[i]
+end
+```
+
+An array of [tilesets](tileset.md#tileset).
+
 ## Sprite.backgroundLayer
 
 Returns the [background
diff --git a/api/tileset.md b/api/tileset.md
index d19b605..783621f 100644
--- a/api/tileset.md
+++ b/api/tileset.md
@@ -1,20 +1,49 @@
 # Tileset
 
+A set of [tiles](tile.md#tile).
+
 ## Tileset.name
 
-## Tileset.grid
+```lua
+local name = tileset.name
+tileset.name = name
+```
+
+Gets or sets the name of this tileset.
 
 ## Tileset.baseIndex
 
+```lua
+local baseindex = tileset.baseIndex
+tileset.baseIndex = baseindex
+```
+
+Gets or sets the base index of this tileset.
+
 ## Tileset.color
 
 ## Tileset.data
 
+```lua
+local data = tileset.data
+tileset.data = data
+```
+
+Gets or sets the user-defined data related to this tileset (a text string).
+
 ## Tileset.properties
 
 Access user-defined and extension-defined
 [properties](properties.md#properties) of this tileset.
 
+## Tileset.grid
+
+```lua
+local grid = tileset.grid
+```
+
+Returns the [grid](grid.md#grid) of this tileset.
+
 ## Tileset:tile()
 
 ```lua
diff --git a/sidebar.md b/sidebar.md
index 53f7bfa..4a6ef94 100644
--- a/sidebar.md
+++ b/sidebar.md
@@ -5,6 +5,7 @@
 
 Globals namespaces
   * [app](api/app.md#app)
+  * [app.clipboard](api/app_clipboard.md#appclipboard)
   * [app.command](api/app_command.md#appcommand)
   * [app.fs](api/app_fs.md#appfs)
   * [app.os](api/app_os.md#appos)
@@ -39,6 +40,7 @@ Classes/objects
   * [Events](api/events.md#events)
   * [Frame](api/frame.md#frame)
   * [GraphicsContext](api/graphicscontext.md#graphicscontext)
+  * [Grid](api/grid.md#grid)
   * [Image](api/image.md#image)
   * [ImageSpec](api/imagespec.md#imagespec)
   * [KeyEvent](api/keyevent.md#keyevent)
@@ -62,5 +64,6 @@ Classes/objects
   * [Tool](api/tool.md#tool)
   * [TouchEvent](api/touchevent.md#touchevent)
   * [Version](api/version.md#version)
+  * [Uuid](api/uuid.md#uuid)
   * [WebSocket](api/websocket.md#websocket)
   * [Window](api/window.md#window)