diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 59acac4..8935e93 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.27.0"
+  ".": "0.28.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index 50043a4..bcbec15 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 97
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/kernel%2Fkernel-7427d4bcaba5cad07910da7a222bdd2650b5280e6b889132ed38d230adafb8a5.yml
-openapi_spec_hash: e8e3dc1ae54666d544d1fc848b25e7cf
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/kernel%2Fkernel-d430a8e3407ceb608d912cabadbcb016b4fcf057ca56b3bbd179ea3b3121b484.yml
+openapi_spec_hash: 8adbf013baf77abacaf04ed067749397
 config_hash: b470456b217bb9502f5212311d395a6f
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6094a75..bf635d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## 0.28.0 (2026-01-22)
+
+Full Changelog: [v0.27.0...v0.28.0](https://github.com/kernel/kernel-go-sdk/compare/v0.27.0...v0.28.0)
+
+### Features
+
+* Allow hot loading profiles into sessions ([436ac8c](https://github.com/kernel/kernel-go-sdk/commit/436ac8cfa797b3283ccb0a801a59fb1fa499e32f))
+
+
+### Bug Fixes
+
+* preserve existing CLI branch work in coverage workflow ([5c2eb99](https://github.com/kernel/kernel-go-sdk/commit/5c2eb9944cf21b4c9b4870666be6332c52f2a4d9))
+
 ## 0.27.0 (2026-01-21)
 
 Full Changelog: [v0.26.0...v0.27.0](https://github.com/kernel/kernel-go-sdk/compare/v0.26.0...v0.27.0)
diff --git a/README.md b/README.md
index 6d76526..06ad356 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ Or to pin the version:
 <!-- x-release-please-start-version -->
 
 ```sh
-go get -u 'github.com/kernel/kernel-go-sdk@v0.27.0'
+go get -u 'github.com/kernel/kernel-go-sdk@v0.28.0'
 ```
 
 <!-- x-release-please-end -->
diff --git a/browser.go b/browser.go
index 0c27f87..506c7bd 100644
--- a/browser.go
+++ b/browser.go
@@ -550,6 +550,11 @@ type BrowserUpdateParams struct {
 	// ID of the proxy to use. Omit to leave unchanged, set to empty string to remove
 	// proxy.
 	ProxyID param.Opt[string] `json:"proxy_id,omitzero"`
+	// Profile to load into the browser session. Only allowed if the session does not
+	// already have a profile loaded.
+	Profile shared.BrowserProfileParam `json:"profile,omitzero"`
+	// Viewport configuration to apply to the browser session.
+	Viewport shared.BrowserViewportParam `json:"viewport,omitzero"`
 	paramObj
 }
 
diff --git a/browser_test.go b/browser_test.go
index f0df76c..42b4ce7 100644
--- a/browser_test.go
+++ b/browser_test.go
@@ -109,7 +109,17 @@ func TestBrowserUpdateWithOptionalParams(t *testing.T) {
 		context.TODO(),
 		"htzv5orfit78e1m2biiifpbv",
 		kernel.BrowserUpdateParams{
+			Profile: shared.BrowserProfileParam{
+				ID:          kernel.String("id"),
+				Name:        kernel.String("name"),
+				SaveChanges: kernel.Bool(true),
+			},
 			ProxyID: kernel.String("proxy_id"),
+			Viewport: shared.BrowserViewportParam{
+				Height:      800,
+				Width:       1280,
+				RefreshRate: kernel.Int(60),
+			},
 		},
 	)
 	if err != nil {
diff --git a/internal/version.go b/internal/version.go
index c2280fd..9efbcca 100644
--- a/internal/version.go
+++ b/internal/version.go
@@ -2,4 +2,4 @@
 
 package internal
 
-const PackageVersion = "0.27.0" // x-release-please-version
+const PackageVersion = "0.28.0" // x-release-please-version