diff --git a/compat.md b/compat.md
index f812a66c..4a4e93aa 100644
--- a/compat.md
+++ b/compat.md
@@ -5,6 +5,7 @@ A document to track more specific nuances than <https://caniuse.com/?search=weba
 
 | Functionality | Links | Chrome | Firefox | Safari |
 |-|-|-|-|-|
+| `residentKey` in `authenticatorSelection` | [spec](https://w3c.github.io/webauthn/#dom-authenticatorselectioncriteria-residentkey) | ✅ 109.0.5414.87 | ❌ 111.0a1 | ✅ 16.2 |
 | `PublicKeyCredential.isConditionalMediationAvailable()` | [spec](https://w3c.github.io/webauthn/#dom-publickeycredential-isconditionalmediationavailable), [crbug](https://bugs.chromium.org/p/chromium/issues/detail?id=1330946) | 🏁 106.0.5220.0+[^1] | ❌ | ✅ 16+ |
 | `largeBlob` extension | [spec](https://w3c.github.io/webauthn/#sctn-large-blob-extension), [crbug](https://bugs.chromium.org/p/chromium/issues/detail?id=1114875&colspec=ID%20Pri%20M%20Status%20Owner%20Summary%20OS%20Modified&x=m&y=releaseblock&cells=tiles&q=largeBlob&can=1), [chromestatus](https://chromestatus.com/feature/5657899357437952) | 🏁[^2][^3] | ❌[^4] | ❌[^4] |
 | `authenticatorAttachment` on `PublicKeyCredential` return values | [spec](https://w3c.github.io/webauthn/#dom-publickeycredential-authenticatorattachment) | ✅ 109.0.5414.87 | ❌ 111.0a1 | ✅ 16.2 |