diff --git a/Cargo.toml b/Cargo.toml
index 58d5ddf..bd4e96d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pixsy"
-version = "0.75.0"
+version = "0.710.0"
 description = "convert images to Bitsy rooms"
 authors = ["Max Bradbury <max@tinybird.info>"]
 edition = "2018"
@@ -12,8 +12,8 @@ crate-type = ["cdylib"]
 
 [dependencies]
 base64 = "^0.12.3"
-bitsy-parser = "^0.75.0"
+bitsy-parser = "^0.710.0"
 image = "^0.23.7"
 json = "^0.12.4"
 lazy_static = "^1.4.0"
-wasm-bindgen = "=0.2.64" # newer versions are bugged...
+wasm-bindgen = "^0.2.78"
diff --git a/index.pug b/index.pug
index 05b8aaf..1000b77 100644
--- a/index.pug
+++ b/index.pug
@@ -10,7 +10,7 @@ html(lang="en-gb")
         header
             h1 pixsy
             p.
-                version 0.75.0
+                version 0.710.0
                 |
                 #[a(href="http://tinybird.info/image-to-bitsy/old/" target="_blank") old version]
                 |
@@ -20,15 +20,21 @@ html(lang="en-gb")
         .pages
             .page#start
                 p.
-                    #[b pixsy] is a tool for #[a(href="http://bitsy.org/") Bitsy Game Maker]
+                    #[b pixsy] is a tool for #[a(href="https://bitsy.org/") Bitsy Game Maker]
                     that allows you to generate a room from an image and add it to your game.
-                p this version is compatible with Bitsy version 7.5 and earlier.
+                p.
+                    this version is tested to be compatible with Bitsy version 7.10 and earlier.
+                    later versions may also work fine, but make sure you have a backup of your game data.
                 p.
                     #[b pixsy] does not currently work via the Itch desktop program.
                     if pixsy does not work for you, please try the
                     #[a(href="http://tinybird.info/image-to-bitsy/old/") old version] instead.
                 p.
-                    instructions can be found on the
+                    if your image is already the correct size for a bitsy room (128×128),
+                    simply leave the zoom slider at the default setting.
+                    you can draw your room in a pixel-art program and import it here.
+                p.
+                    full instructions can be found on the
                     #[a(href="https://ruin.itch.io/pixsy/") itch.io page] -
                     scroll down to "how to use".
 
@@ -89,8 +95,9 @@ html(lang="en-gb")
                                         input#colour-foreground(type="color" value="#ffffff")
 
                                 label
-                                    input#dither(type="checkbox" checked=true)
+                                    input#dither(type="checkbox")
                                     | dither
+                                p (approximates a greyscale effect)
                                 br
 
                 button.pagination.prev#back-to-image previous
diff --git a/src/lib.rs b/src/lib.rs
index a21174d..8868b52 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -41,7 +41,7 @@ lazy_static! {
             image:      None,
             room_name:  None,
             palette:    SelectedPalette::None,
-            dither:     true,
+            dither:     false,
             brightness: 0,
         }
     );