From fe0e6a29c7258f283ff2ed6655dcefb0ba293ec5 Mon Sep 17 00:00:00 2001
From: Marc Rousavy <me@mrousavy.com>
Date: Mon, 22 Sep 2025 11:54:50 +0200
Subject: [PATCH 1/8] feat: Add manual `iso`/`exposureDuration` props

---
 package/ios/Core/CameraConfiguration.swift    | 10 +++++++---
 .../Core/CameraSession+Configuration.swift    | 20 ++++++++++++++-----
 .../ios/Core/Types/CameraDeviceFormat.swift   |  9 +++++++++
 package/ios/React/CameraViewManager.m         |  2 ++
 package/src/types/CameraDevice.ts             |  8 ++++++++
 package/src/types/CameraProps.ts              | 17 ++++++++++++++++
 6 files changed, 58 insertions(+), 8 deletions(-)

diff --git a/package/ios/Core/CameraConfiguration.swift b/package/ios/Core/CameraConfiguration.swift
index a4b94dd377..43277fcdda 100644
--- a/package/ios/Core/CameraConfiguration.swift
+++ b/package/ios/Core/CameraConfiguration.swift
@@ -46,12 +46,18 @@ final class CameraConfiguration {
 
   // Exposure
   var exposure: Float?
+  var exposureDuration: Double?
+  var iso: Float?
 
   // isActive (Start/Stop)
   var isActive = false
 
   // Audio Session
   var audio: OutputConfiguration<Audio> = .disabled
+  
+  var isManualExposure: Bool {
+    return exposureDuration != nil || iso != nil
+  }
 
   init(copyOf other: CameraConfiguration?) {
     if let other {
@@ -83,7 +89,6 @@ final class CameraConfiguration {
   /**
    Throw this to abort calls to configure { ... } and apply no changes.
    */
-  @frozen
   enum AbortThrow: Error {
     case abort
   }
@@ -131,7 +136,7 @@ final class CameraConfiguration {
       // format (depends on cameraId)
       formatChanged = inputChanged || left?.format != right.format
       // side-props (depends on format)
-      sidePropsChanged = formatChanged || left?.minFps != right.minFps || left?.maxFps != right.maxFps || left?.enableLowLightBoost != right.enableLowLightBoost
+      sidePropsChanged = formatChanged || left?.minFps != right.minFps || left?.maxFps != right.maxFps || left?.enableLowLightBoost != right.enableLowLightBoost || left?.exposureDuration != right.exposureDuration || left?.iso != right.iso
       // torch (depends on isActive)
       let wasInactiveAndNeedsToEnableTorchAgain = left?.isActive == false && right.isActive == true && right.torch == .on
       torchChanged = inputChanged || wasInactiveAndNeedsToEnableTorchAgain || left?.torch != right.torch
@@ -148,7 +153,6 @@ final class CameraConfiguration {
     }
   }
 
-  @frozen
   enum OutputConfiguration<T: Equatable>: Equatable {
     case disabled
     case enabled(config: T)
diff --git a/package/ios/Core/CameraSession+Configuration.swift b/package/ios/Core/CameraSession+Configuration.swift
index ecd2a94daf..a5acbfa273 100644
--- a/package/ios/Core/CameraSession+Configuration.swift
+++ b/package/ios/Core/CameraSession+Configuration.swift
@@ -273,7 +273,7 @@ extension CameraSession {
       }
       device.automaticallyEnablesLowLightBoostWhenAvailable = configuration.enableLowLightBoost
     }
-
+    
     // Configure auto-focus
     if device.isFocusModeSupported(.continuousAutoFocus) {
       if device.isFocusPointOfInterestSupported {
@@ -281,11 +281,21 @@ extension CameraSession {
       }
       device.focusMode = .continuousAutoFocus
     }
-    if device.isExposureModeSupported(.continuousAutoExposure) {
-      if device.isExposurePointOfInterestSupported {
-        device.exposurePointOfInterest = CGPoint(x: 0.5, y: 0.5)
+    
+    
+    if configuration.isManualExposure {
+      // Lock exposure to manual
+      let duration = CMTime(seconds: configuration.exposureDuration ?? AVCaptureDevice.currentExposureDuration.seconds, preferredTimescale: 1)
+      let iso = configuration.iso ?? AVCaptureDevice.currentISO
+      device.setExposureModeCustom(duration: duration, iso: iso)
+    } else {
+      // Configure auto-exposure
+      if device.isExposureModeSupported(.continuousAutoExposure) {
+        if device.isExposurePointOfInterestSupported {
+          device.exposurePointOfInterest = CGPoint(x: 0.5, y: 0.5)
+        }
+        device.exposureMode = .continuousAutoExposure
       }
-      device.exposureMode = .continuousAutoExposure
     }
   }
 
diff --git a/package/ios/Core/Types/CameraDeviceFormat.swift b/package/ios/Core/Types/CameraDeviceFormat.swift
index 04a1a2cf18..1d5797ee81 100644
--- a/package/ios/Core/Types/CameraDeviceFormat.swift
+++ b/package/ios/Core/Types/CameraDeviceFormat.swift
@@ -24,6 +24,9 @@ struct CameraDeviceFormat: Equatable, CustomStringConvertible {
 
   let minISO: Float
   let maxISO: Float
+  
+  let minExposureDuration: Double
+  let maxExposureDuration: Double
 
   let fieldOfView: Float
 
@@ -44,6 +47,8 @@ struct CameraDeviceFormat: Equatable, CustomStringConvertible {
     maxFps = format.maxFps
     minISO = format.minISO
     maxISO = format.maxISO
+    minExposureDuration = format.minExposureDuration.seconds
+    maxExposureDuration = format.maxExposureDuration.seconds
     fieldOfView = format.videoFieldOfView
     videoStabilizationModes = format.videoStabilizationModes.map { VideoStabilizationMode(from: $0) }
     autoFocusSystem = AutoFocusSystem(fromFocusSystem: format.autoFocusSystem)
@@ -62,6 +67,8 @@ struct CameraDeviceFormat: Equatable, CustomStringConvertible {
     maxFps = jsValue["maxFps"] as! Double
     minISO = jsValue["minISO"] as! Float
     maxISO = jsValue["maxISO"] as! Float
+    minExposureDuration = jsValue["minExposureDuration"] as! Double
+    maxExposureDuration = jsValue["minExposureDuration"] as! Double
     fieldOfView = jsValue["fieldOfView"] as! Float
     let jsVideoStabilizationModes = jsValue["videoStabilizationModes"] as! [String]
     videoStabilizationModes = try jsVideoStabilizationModes.map { try VideoStabilizationMode(jsValue: $0) }
@@ -88,6 +95,8 @@ struct CameraDeviceFormat: Equatable, CustomStringConvertible {
       "videoWidth": videoWidth,
       "minISO": minISO,
       "maxISO": maxISO,
+      "minExposureDuration": minExposureDuration,
+      "maxExposureDuration": maxExposureDuration,
       "fieldOfView": fieldOfView,
       "supportsVideoHdr": supportsVideoHdr,
       "supportsPhotoHdr": supportsPhotoHdr,
diff --git a/package/ios/React/CameraViewManager.m b/package/ios/React/CameraViewManager.m
index 527c9bc0fd..59c4ae5a7c 100644
--- a/package/ios/React/CameraViewManager.m
+++ b/package/ios/React/CameraViewManager.m
@@ -53,6 +53,8 @@ @interface RCT_EXTERN_REMAP_MODULE (CameraView, CameraViewManager, RCTViewManage
 RCT_EXPORT_VIEW_PROPERTY(torch, NSString);
 RCT_EXPORT_VIEW_PROPERTY(zoom, NSNumber);
 RCT_EXPORT_VIEW_PROPERTY(exposure, NSNumber);
+RCT_EXPORT_VIEW_PROPERTY(iso, NSNumber);
+RCT_EXPORT_VIEW_PROPERTY(exposureDuration, NSNumber);
 RCT_EXPORT_VIEW_PROPERTY(enableZoomGesture, BOOL);
 RCT_EXPORT_VIEW_PROPERTY(outputOrientation, NSString);
 RCT_EXPORT_VIEW_PROPERTY(resizeMode, NSString);
diff --git a/package/src/types/CameraDevice.ts b/package/src/types/CameraDevice.ts
index 021b82e02d..cf9e5b7477 100644
--- a/package/src/types/CameraDevice.ts
+++ b/package/src/types/CameraDevice.ts
@@ -78,6 +78,14 @@ export interface CameraDeviceFormat {
    * Minimum supported ISO value
    */
   minISO: number
+  /**
+   * Minimum supported exposure duration, in seconds
+   */
+  minExposureDuration: number
+  /**
+   * Maximum supported exposure duration, in seconds
+   */
+  maxExposureDuration: number
   /**
    * The video field of view in degrees
    */
diff --git a/package/src/types/CameraProps.ts b/package/src/types/CameraProps.ts
index 18bfc9b618..53117dffd0 100644
--- a/package/src/types/CameraProps.ts
+++ b/package/src/types/CameraProps.ts
@@ -149,6 +149,23 @@ export interface CameraProps extends ViewProps {
    * The value between min- and max supported exposure is considered the default, neutral value.
    */
   exposure?: number
+
+  /**
+   * Manually configures the ISO value of the Camera.
+   *
+   * If either {@linkcode iso} or {@linkcode exposureDuration} is set, the Camera will be locked to manual exposure.
+   *
+   * @default undefined
+   */
+  iso?: number
+  /**
+   * Manually configures the exposure duration (in seconds) of the Camera.
+   *
+   * If either {@linkcode exposureDuration} or {@linkcode iso} is set, the Camera will be locked to manual exposure.
+   *
+   * @default undefined
+   */
+  exposureDuration?: number
   //#endregion
 
   //#region Format/Preset selection

From 23c02f446d1fd4fd6aabf7619588f1587c4ca570 Mon Sep 17 00:00:00 2001
From: Marc Rousavy <me@mrousavy.com>
Date: Mon, 22 Sep 2025 11:59:37 +0200
Subject: [PATCH 2/8] chore: Format

---
 package/ios/Core/CameraConfiguration.swift         | 7 ++++---
 package/ios/Core/CameraSession+Configuration.swift | 5 ++---
 package/ios/Core/CameraSession.swift               | 2 +-
 package/ios/Core/PreviewView.swift                 | 2 +-
 package/ios/Core/Recording/Track.swift             | 2 +-
 package/ios/Core/Recording/TrackTimeline.swift     | 8 ++++----
 package/ios/Core/Types/CameraDeviceFormat.swift    | 2 +-
 package/ios/React/Utils/Promise.swift              | 2 +-
 8 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/package/ios/Core/CameraConfiguration.swift b/package/ios/Core/CameraConfiguration.swift
index 43277fcdda..070c4c147b 100644
--- a/package/ios/Core/CameraConfiguration.swift
+++ b/package/ios/Core/CameraConfiguration.swift
@@ -54,7 +54,7 @@ final class CameraConfiguration {
 
   // Audio Session
   var audio: OutputConfiguration<Audio> = .disabled
-  
+
   var isManualExposure: Bool {
     return exposureDuration != nil || iso != nil
   }
@@ -136,7 +136,8 @@ final class CameraConfiguration {
       // format (depends on cameraId)
       formatChanged = inputChanged || left?.format != right.format
       // side-props (depends on format)
-      sidePropsChanged = formatChanged || left?.minFps != right.minFps || left?.maxFps != right.maxFps || left?.enableLowLightBoost != right.enableLowLightBoost || left?.exposureDuration != right.exposureDuration || left?.iso != right.iso
+      sidePropsChanged = formatChanged || left?.minFps != right.minFps || left?.maxFps != right.maxFps || left?.enableLowLightBoost != right.enableLowLightBoost
+        || left?.exposureDuration != right.exposureDuration || left?.iso != right.iso
       // torch (depends on isActive)
       let wasInactiveAndNeedsToEnableTorchAgain = left?.isActive == false && right.isActive == true && right.torch == .on
       torchChanged = inputChanged || wasInactiveAndNeedsToEnableTorchAgain || left?.torch != right.torch
@@ -157,7 +158,7 @@ final class CameraConfiguration {
     case disabled
     case enabled(config: T)
 
-    public static func == (lhs: OutputConfiguration, rhs: OutputConfiguration) -> Bool {
+    static func == (lhs: OutputConfiguration, rhs: OutputConfiguration) -> Bool {
       switch (lhs, rhs) {
       case (.disabled, .disabled):
         return true
diff --git a/package/ios/Core/CameraSession+Configuration.swift b/package/ios/Core/CameraSession+Configuration.swift
index a5acbfa273..3313554246 100644
--- a/package/ios/Core/CameraSession+Configuration.swift
+++ b/package/ios/Core/CameraSession+Configuration.swift
@@ -273,7 +273,7 @@ extension CameraSession {
       }
       device.automaticallyEnablesLowLightBoostWhenAvailable = configuration.enableLowLightBoost
     }
-    
+
     // Configure auto-focus
     if device.isFocusModeSupported(.continuousAutoFocus) {
       if device.isFocusPointOfInterestSupported {
@@ -281,8 +281,7 @@ extension CameraSession {
       }
       device.focusMode = .continuousAutoFocus
     }
-    
-    
+
     if configuration.isManualExposure {
       // Lock exposure to manual
       let duration = CMTime(seconds: configuration.exposureDuration ?? AVCaptureDevice.currentExposureDuration.seconds, preferredTimescale: 1)
diff --git a/package/ios/Core/CameraSession.swift b/package/ios/Core/CameraSession.swift
index 10b0f3399c..03bffe87d3 100644
--- a/package/ios/Core/CameraSession.swift
+++ b/package/ios/Core/CameraSession.swift
@@ -265,7 +265,7 @@ final class CameraSession: NSObject, AVCaptureVideoDataOutputSampleBufferDelegat
     }
   }
 
-  public final func captureOutput(_ captureOutput: AVCaptureOutput, didOutput sampleBuffer: CMSampleBuffer, from connection: AVCaptureConnection) {
+  final func captureOutput(_ captureOutput: AVCaptureOutput, didOutput sampleBuffer: CMSampleBuffer, from connection: AVCaptureConnection) {
     switch captureOutput {
     case is AVCaptureVideoDataOutput:
       onVideoFrame(sampleBuffer: sampleBuffer, orientation: connection.orientation, isMirrored: connection.isVideoMirrored)
diff --git a/package/ios/Core/PreviewView.swift b/package/ios/Core/PreviewView.swift
index 9c6ff25cce..81a8d7cba0 100644
--- a/package/ios/Core/PreviewView.swift
+++ b/package/ios/Core/PreviewView.swift
@@ -48,7 +48,7 @@ final class PreviewView: UIView {
     }
   }
 
-  override public static var layerClass: AnyClass {
+  override static var layerClass: AnyClass {
     return AVCaptureVideoPreviewLayer.self
   }
 
diff --git a/package/ios/Core/Recording/Track.swift b/package/ios/Core/Recording/Track.swift
index 8dec5ce89a..25c51dc346 100644
--- a/package/ios/Core/Recording/Track.swift
+++ b/package/ios/Core/Recording/Track.swift
@@ -51,7 +51,7 @@ final class Track {
   /**
    Returns the last timestamp that was actually written to the track.
    */
-  public private(set) var lastTimestamp: CMTime?
+  private(set) var lastTimestamp: CMTime?
 
   /**
    Gets the natural size of the asset writer, or zero if it is not a visual track.
diff --git a/package/ios/Core/Recording/TrackTimeline.swift b/package/ios/Core/Recording/TrackTimeline.swift
index 345322fdd6..5e33e6af9e 100644
--- a/package/ios/Core/Recording/TrackTimeline.swift
+++ b/package/ios/Core/Recording/TrackTimeline.swift
@@ -25,22 +25,22 @@ final class TrackTimeline {
    Represents whether the timeline has been marked as finished or not.
    A timeline will automatically be marked as finished when a timestamp arrives that appears after a stop().
    */
-  public private(set) var isFinished = false
+  private(set) var isFinished = false
 
   /**
    Gets the latency of the buffers in this timeline.
    This is computed by (currentTime - mostRecentBuffer.timestamp)
    */
-  public private(set) var latency: CMTime = .zero
+  private(set) var latency: CMTime = .zero
 
   /**
    Get the first actually written timestamp of this timeline
    */
-  public private(set) var firstTimestamp: CMTime?
+  private(set) var firstTimestamp: CMTime?
   /**
    Get the last actually written timestamp of this timeline.
    */
-  public private(set) var lastTimestamp: CMTime?
+  private(set) var lastTimestamp: CMTime?
 
   init(ofTrackType type: TrackType, withClock clock: CMClock) {
     trackType = type
diff --git a/package/ios/Core/Types/CameraDeviceFormat.swift b/package/ios/Core/Types/CameraDeviceFormat.swift
index 1d5797ee81..5d8e57e153 100644
--- a/package/ios/Core/Types/CameraDeviceFormat.swift
+++ b/package/ios/Core/Types/CameraDeviceFormat.swift
@@ -24,7 +24,7 @@ struct CameraDeviceFormat: Equatable, CustomStringConvertible {
 
   let minISO: Float
   let maxISO: Float
-  
+
   let minExposureDuration: Double
   let maxExposureDuration: Double
 
diff --git a/package/ios/React/Utils/Promise.swift b/package/ios/React/Utils/Promise.swift
index d1a7a132a2..946ea5cce1 100644
--- a/package/ios/React/Utils/Promise.swift
+++ b/package/ios/React/Utils/Promise.swift
@@ -14,7 +14,7 @@ import Foundation
  * Represents a JavaScript Promise instance. `reject()` and `resolve()` should only be called once.
  */
 class Promise {
-  public private(set) var didResolve = false
+  private(set) var didResolve = false
 
   init(resolver: @escaping RCTPromiseResolveBlock, rejecter: @escaping RCTPromiseRejectBlock) {
     self.resolver = resolver

From 18bba3fd65250b743a6ecaad29f1537e4a2c7a26 Mon Sep 17 00:00:00 2001
From: Marc Rousavy <me@mrousavy.com>
Date: Mon, 22 Sep 2025 12:17:07 +0200
Subject: [PATCH 3/8] Update CameraView.swift

---
 package/ios/React/CameraView.swift | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/package/ios/React/CameraView.swift b/package/ios/React/CameraView.swift
index c773975353..1c63d704f6 100644
--- a/package/ios/React/CameraView.swift
+++ b/package/ios/React/CameraView.swift
@@ -67,6 +67,8 @@ public final class CameraView: UIView, CameraSessionDelegate, PreviewViewDelegat
       updatePreview()
     }
   }
+  @objc var iso: NSNumber?
+  @objc var exposureDuration: NSNumber?
 
   // events
   @objc var onInitializedEvent: RCTDirectEventBlock?
@@ -263,6 +265,8 @@ public final class CameraView: UIView, CameraSessionDelegate, PreviewViewDelegat
       config.maxFps = maxFps?.int32Value
       config.enableLowLightBoost = lowLightBoost
       config.torch = try Torch(jsValue: torch)
+      config.exposureDuration = exposureDuration?.doubleValue ?? nil
+      config.iso = iso?.floatValue ?? nil
 
       // Zoom
       config.zoom = zoom.doubleValue

From 8f420f8cf2ea28c84f43dd58c6af54980992b1c2 Mon Sep 17 00:00:00 2001
From: Marc Rousavy <me@mrousavy.com>
Date: Mon, 22 Sep 2025 12:21:36 +0200
Subject: [PATCH 4/8] Update CameraDeviceFormat.swift

---
 package/ios/Core/Types/CameraDeviceFormat.swift | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/ios/Core/Types/CameraDeviceFormat.swift b/package/ios/Core/Types/CameraDeviceFormat.swift
index 5d8e57e153..f9e220f88d 100644
--- a/package/ios/Core/Types/CameraDeviceFormat.swift
+++ b/package/ios/Core/Types/CameraDeviceFormat.swift
@@ -68,7 +68,7 @@ struct CameraDeviceFormat: Equatable, CustomStringConvertible {
     minISO = jsValue["minISO"] as! Float
     maxISO = jsValue["maxISO"] as! Float
     minExposureDuration = jsValue["minExposureDuration"] as! Double
-    maxExposureDuration = jsValue["minExposureDuration"] as! Double
+    maxExposureDuration = jsValue["maxExposureDuration"] as! Double
     fieldOfView = jsValue["fieldOfView"] as! Float
     let jsVideoStabilizationModes = jsValue["videoStabilizationModes"] as! [String]
     videoStabilizationModes = try jsVideoStabilizationModes.map { try VideoStabilizationMode(jsValue: $0) }

From ed81a47dd27b45a54207c2195804171553380aaf Mon Sep 17 00:00:00 2001
From: Marc Rousavy <me@mrousavy.com>
Date: Mon, 22 Sep 2025 12:31:40 +0200
Subject: [PATCH 5/8] fix: Fix preferred timescale

---
 package/ios/Core/CameraSession+Configuration.swift | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/package/ios/Core/CameraSession+Configuration.swift b/package/ios/Core/CameraSession+Configuration.swift
index 3313554246..13b8c18fd3 100644
--- a/package/ios/Core/CameraSession+Configuration.swift
+++ b/package/ios/Core/CameraSession+Configuration.swift
@@ -284,7 +284,8 @@ extension CameraSession {
 
     if configuration.isManualExposure {
       // Lock exposure to manual
-      let duration = CMTime(seconds: configuration.exposureDuration ?? AVCaptureDevice.currentExposureDuration.seconds, preferredTimescale: 1)
+      let durationSeconds = configuration.exposureDuration ?? AVCaptureDevice.currentExposureDuration.seconds
+      let duration = CMTime(seconds: durationSeconds, preferredTimescale: 1_000_000_000)
       let iso = configuration.iso ?? AVCaptureDevice.currentISO
       device.setExposureModeCustom(duration: duration, iso: iso)
     } else {

From a9fc090960b951485224c600a36ce0ac5841cc2b Mon Sep 17 00:00:00 2001
From: Marc Rousavy <me@mrousavy.com>
Date: Mon, 20 Oct 2025 15:01:43 +0200
Subject: [PATCH 6/8] fix: Lint Swift

---
 .../android/src/main/cpp/frameprocessors/FrameHostObject.cpp | 2 +-
 package/ios/FrameProcessors/FrameHostObject.mm               | 2 +-
 package/ios/React/CameraView.swift                           | 5 +++--
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/package/android/src/main/cpp/frameprocessors/FrameHostObject.cpp b/package/android/src/main/cpp/frameprocessors/FrameHostObject.cpp
index 09970a9a6a..cf229ee5fb 100644
--- a/package/android/src/main/cpp/frameprocessors/FrameHostObject.cpp
+++ b/package/android/src/main/cpp/frameprocessors/FrameHostObject.cpp
@@ -55,7 +55,7 @@ std::vector<jsi::PropNameID> FrameHostObject::getPropertyNames(jsi::Runtime& rt)
   return result;
 }
 
-#define JSI_FUNC [=](jsi::Runtime & runtime, const jsi::Value& thisValue, const jsi::Value* arguments, size_t count) -> jsi::Value
+#define JSI_FUNC [=](jsi::Runtime & runtime, const jsi::Value& thisValue, const jsi::Value* arguments, size_t count)->jsi::Value
 
 jsi::Value FrameHostObject::get(jsi::Runtime& runtime, const jsi::PropNameID& propName) {
   auto name = propName.utf8(runtime);
diff --git a/package/ios/FrameProcessors/FrameHostObject.mm b/package/ios/FrameProcessors/FrameHostObject.mm
index 67bbfe51df..94f7250447 100644
--- a/package/ios/FrameProcessors/FrameHostObject.mm
+++ b/package/ios/FrameProcessors/FrameHostObject.mm
@@ -40,7 +40,7 @@
   return result;
 }
 
-#define JSI_FUNC [=](jsi::Runtime & runtime, const jsi::Value& thisValue, const jsi::Value* arguments, size_t count) -> jsi::Value
+#define JSI_FUNC [=](jsi::Runtime & runtime, const jsi::Value& thisValue, const jsi::Value* arguments, size_t count)->jsi::Value
 
 jsi::Value FrameHostObject::get(jsi::Runtime& runtime, const jsi::PropNameID& propName) {
   auto name = propName.utf8(runtime);
diff --git a/package/ios/React/CameraView.swift b/package/ios/React/CameraView.swift
index 1c63d704f6..c3ec7e9db4 100644
--- a/package/ios/React/CameraView.swift
+++ b/package/ios/React/CameraView.swift
@@ -67,6 +67,7 @@ public final class CameraView: UIView, CameraSessionDelegate, PreviewViewDelegat
       updatePreview()
     }
   }
+
   @objc var iso: NSNumber?
   @objc var exposureDuration: NSNumber?
 
@@ -265,8 +266,8 @@ public final class CameraView: UIView, CameraSessionDelegate, PreviewViewDelegat
       config.maxFps = maxFps?.int32Value
       config.enableLowLightBoost = lowLightBoost
       config.torch = try Torch(jsValue: torch)
-      config.exposureDuration = exposureDuration?.doubleValue ?? nil
-      config.iso = iso?.floatValue ?? nil
+      config.exposureDuration = exposureDuration?.doubleValue
+      config.iso = iso?.floatValue
 
       // Zoom
       config.zoom = zoom.doubleValue

From fc4b2ab4ab92e8af3feaaa32e8eceaf015776054 Mon Sep 17 00:00:00 2001
From: Marc Rousavy <me@mrousavy.com>
Date: Mon, 20 Oct 2025 15:02:52 +0200
Subject: [PATCH 7/8] clang format bump 21

---
 .github/workflows/validate-cpp.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/validate-cpp.yml b/.github/workflows/validate-cpp.yml
index b73832a024..78fff90f05 100644
--- a/.github/workflows/validate-cpp.yml
+++ b/.github/workflows/validate-cpp.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Run clang-format style check
         uses: mrousavy/clang-format-action@v1
         with:
-          clang-format-version: '16'
+          clang-format-version: '21'
           check-path: ${{ matrix.path }}
           clang-format-style-path: package/.clang-format
 

From 1178e9191868095f778c2bd5600cce1bd0c4fd8d Mon Sep 17 00:00:00 2001
From: Marc Rousavy <me@mrousavy.com>
Date: Mon, 20 Oct 2025 15:03:17 +0200
Subject: [PATCH 8/8] Update build-ios.yml

---
 .github/workflows/build-ios.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-ios.yml b/.github/workflows/build-ios.yml
index 1a724f6e39..1ea5004c4f 100644
--- a/.github/workflows/build-ios.yml
+++ b/.github/workflows/build-ios.yml
@@ -113,6 +113,6 @@ jobs:
           -scheme VisionCameraExample \
           -sdk iphonesimulator \
           -configuration Debug \
-          -destination 'platform=iOS Simulator,name=iPhone 15' \
+          -destination 'platform=iOS Simulator,name=iPhone 17' \
           build \
           CODE_SIGNING_ALLOWED=NO | xcpretty"