diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index eca25df..8275029 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,18 +20,30 @@ jobs:
             # newer glibc shipped by ubuntu-latest.
             os: ubuntu-22.04
             name: obscura-x86_64-linux
+            cross: false
           - target: aarch64-unknown-linux-gnu
+            # Native build on GitHub's ARM runner.
             os: ubuntu-22.04-arm
             name: obscura-aarch64-linux
+            cross: false
+          - target: aarch64-unknown-linux-gnu
+            # Cross-compile fallback from x86_64 Ubuntu 22.04. Same glibc
+            # 2.35 floor, useful when ARM runners are unavailable.
+            os: ubuntu-22.04
+            name: obscura-aarch64-linux-cross
+            cross: true
           - target: aarch64-apple-darwin
             os: macos-latest
             name: obscura-aarch64-macos
+            cross: false
           - target: x86_64-apple-darwin
             os: macos-latest
             name: obscura-x86_64-macos
+            cross: false
           - target: x86_64-pc-windows-msvc
             os: windows-latest
             name: obscura-x86_64-windows
+            cross: false
 
     runs-on: ${{ matrix.os }}
 
@@ -42,6 +54,17 @@ jobs:
         with:
           targets: ${{ matrix.target }}
 
+      - name: Install cross-compilation toolchain (aarch64-linux)
+        if: matrix.cross == true
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y gcc-aarch64-linux-gnu
+          mkdir -p .cargo
+          cat >> .cargo/config.toml << 'CARGO_EOF'
+          [target.aarch64-unknown-linux-gnu]
+          linker = "aarch64-linux-gnu-gcc"
+          CARGO_EOF
+
       - name: Build
         run: cargo build --release --target ${{ matrix.target }}
 
diff --git a/crates/obscura-cdp/src/domains/target.rs b/crates/obscura-cdp/src/domains/target.rs
index 3d38e25..120f676 100644
--- a/crates/obscura-cdp/src/domains/target.rs
+++ b/crates/obscura-cdp/src/domains/target.rs
@@ -16,6 +16,7 @@ pub async fn handle(method: &str, params: &Value, ctx: &mut CdpContext) -> Resul
                         "title": "",
                         "url": "",
                         "attached": true,
+                        "canAccessOpener": false,
                         "browserContextId": "",
                     }
                 }),
@@ -30,6 +31,7 @@ pub async fn handle(method: &str, params: &Value, ctx: &mut CdpContext) -> Resul
                             "title": page.title,
                             "url": page.url_string(),
                             "attached": false,
+                            "canAccessOpener": false,
                             "browserContextId": page.context.id,
                         }
                     }),
@@ -48,6 +50,7 @@ pub async fn handle(method: &str, params: &Value, ctx: &mut CdpContext) -> Resul
                         "title": page.title,
                         "url": page.url_string(),
                         "attached": true,
+                        "canAccessOpener": false,
                         "browserContextId": page.context.id,
                     })
                 })
@@ -90,6 +93,7 @@ pub async fn handle(method: &str, params: &Value, ctx: &mut CdpContext) -> Resul
                             "title": page.title,
                             "url": page.url_string(),
                             "attached": false,
+                            "canAccessOpener": false,
                             "browserContextId": page.context.id,
                         }
                     }),
@@ -107,6 +111,7 @@ pub async fn handle(method: &str, params: &Value, ctx: &mut CdpContext) -> Resul
                             "title": page.title,
                             "url": page.url_string(),
                             "attached": true,
+                            "canAccessOpener": false,
                             "browserContextId": page.context.id,
                         },
                         "waitingForDebugger": false,
@@ -133,6 +138,7 @@ pub async fn handle(method: &str, params: &Value, ctx: &mut CdpContext) -> Resul
                         "title": "",
                         "url": "",
                         "attached": true,
+                        "canAccessOpener": false,
                         "browserContextId": "",
                     },
                     "waitingForDebugger": false,
@@ -158,6 +164,7 @@ pub async fn handle(method: &str, params: &Value, ctx: &mut CdpContext) -> Resul
                             "title": page.title,
                             "url": page.url_string(),
                             "attached": true,
+                            "canAccessOpener": false,
                             "browserContextId": page.context.id,
                         },
                         "waitingForDebugger": false,
@@ -211,6 +218,7 @@ pub async fn handle(method: &str, params: &Value, ctx: &mut CdpContext) -> Resul
                             "title": page.title,
                             "url": page.url_string(),
                             "attached": true,
+                            "canAccessOpener": false,
                             "browserContextId": page.context.id,
                         }
                     }))