diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 000000000..bfe2e9ea7
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,10 @@
+# This file lists commits which contain large but uninteresting changes (like
+# applying code auto-formatting), so that you can ignore them in `git blame`
+# output.
+#
+# To do this, run `git blame --ignore-revs-file .git-blame-ignore-revs`,
+# or `git config blame.ignoreRevsFile .git-blame-ignore-revs` to configure
+# git to do this by default.
+
+# Format entire codebase with Biome
+8376882bc8e3d18fb24be55c3230b0cf6abe70f5
diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
index 7f63fe7dd..e963c5d1e 100644
--- a/DEVELOPMENT.md
+++ b/DEVELOPMENT.md
@@ -194,6 +194,10 @@ Unit tests are built with [Jest](https://facebook.github.io/jest/) +
 
 `yarn test` to run them in watch mode.
 
+## Linting and formatting
+
+Run `yarn format` to format your code. Run `yarn lint` to check for lint errors.
+
 ## CSS Styling and Naming
 
 We are using SASS and [Tailwind