React Native patch-package patch for disabling image filtering, since pixel filtering can make pixel art muddy.

react-native+0.57.7-hooks.1.patch

patch-package
--- a/node_modules/react-native/Libraries/Image/RCTImageView.h
+++ b/node_modules/react-native/Libraries/Image/RCTImageView.h
@@ -21,6 +21,7 @@
 @property (nonatomic, assign) UIImageRenderingMode renderingMode;
 @property (nonatomic, copy) NSArray<RCTImageSource *> *imageSources;
 @property (nonatomic, assign) CGFloat blurRadius;
+@property (nonatomic, assign) Boolean disableFiltering;
 @property (nonatomic, assign) RCTResizeMode resizeMode;
 
 @end
--- a/node_modules/react-native/Libraries/Image/RCTImageView.m
+++ b/node_modules/react-native/Libraries/Image/RCTImageView.m
@@ -124,9 +124,14 @@ - (void)updateWithImage:(UIImage *)image
     image = [image resizableImageWithCapInsets:_capInsets resizingMode:UIImageResizingModeStretch];
   }
 
-  // Apply trilinear filtering to smooth out mis-sized images
-  self.layer.minificationFilter = kCAFilterTrilinear;
-  self.layer.magnificationFilter = kCAFilterTrilinear;
+  if (!_disableFiltering) {
+    // Apply trilinear filtering to smooth out mis-sized images
+    self.layer.minificationFilter = kCAFilterTrilinear;
+    self.layer.magnificationFilter = kCAFilterTrilinear;
+  } else {
+    self.layer.minificationFilter = kCAFilterNearest;
+    self.layer.magnificationFilter = kCAFilterNearest;
+  }
 
   super.image = image;
 }
@@ -139,6 +144,14 @@ - (void)setImage:(UIImage *)image
   }
 }
 
+- (void)setDisableFiltering:(Boolean)disableFiltering
+{
+  if (disableFiltering != _disableFiltering) {
+    _disableFiltering = disableFiltering;
+    _needsReload = YES;
+  }
+}
+
 - (void)setBlurRadius:(CGFloat)blurRadius
 {
   if (blurRadius != _blurRadius) {
--- a/node_modules/react-native/Libraries/Image/RCTImageViewManager.m
+++ b/node_modules/react-native/Libraries/Image/RCTImageViewManager.m
@@ -30,6 +30,7 @@ - (UIView *)view
 }
 
 RCT_EXPORT_VIEW_PROPERTY(blurRadius, CGFloat)
+RCT_EXPORT_VIEW_PROPERTY(disableFiltering, BOOL)
 RCT_EXPORT_VIEW_PROPERTY(capInsets, UIEdgeInsets)
 RCT_REMAP_VIEW_PROPERTY(defaultSource, defaultImage, UIImage)
 RCT_EXPORT_VIEW_PROPERTY(onLoadStart, RCTDirectEventBlock)

react-native+0.57.8.patch

patch-package
--- a/node_modules/react-native/Libraries/Image/RCTImageView.h
+++ b/node_modules/react-native/Libraries/Image/RCTImageView.h
@@ -21,6 +21,7 @@
 @property (nonatomic, assign) UIImageRenderingMode renderingMode;
 @property (nonatomic, copy) NSArray<RCTImageSource *> *imageSources;
 @property (nonatomic, assign) CGFloat blurRadius;
+@property (nonatomic, assign) Boolean disableFiltering;
 @property (nonatomic, assign) RCTResizeMode resizeMode;
 
 @end
--- a/node_modules/react-native/Libraries/Image/RCTImageView.m
+++ b/node_modules/react-native/Libraries/Image/RCTImageView.m
@@ -124,9 +124,15 @@ - (void)updateWithImage:(UIImage *)image
     image = [image resizableImageWithCapInsets:_capInsets resizingMode:UIImageResizingModeStretch];
   }
 
-  // Apply trilinear filtering to smooth out mis-sized images
-  self.layer.minificationFilter = kCAFilterTrilinear;
-  self.layer.magnificationFilter = kCAFilterTrilinear;
+  if (!_disableFiltering) {
+    // Apply trilinear filtering to smooth out mis-sized images
+    self.layer.minificationFilter = kCAFilterTrilinear;
+    self.layer.magnificationFilter = kCAFilterTrilinear;
+  } else {
+    
+    self.layer.minificationFilter = kCAFilterNearest;
+    self.layer.magnificationFilter = kCAFilterNearest;
+  }
   
   super.image = image;
 }
@@ -139,6 +145,14 @@ - (void)setImage:(UIImage *)image
   }
 }
 
+- (void)setDisableFiltering:(Boolean)disableFiltering
+{
+  if (disableFiltering != _disableFiltering) {
+    _disableFiltering = disableFiltering;
+    _needsReload = YES;
+  }
+}
+
 - (void)setBlurRadius:(CGFloat)blurRadius
 {
   if (blurRadius != _blurRadius) {
--- a/node_modules/react-native/Libraries/Image/RCTImageViewManager.m
+++ b/node_modules/react-native/Libraries/Image/RCTImageViewManager.m
@@ -30,6 +30,7 @@ - (UIView *)view
 }
 
 RCT_EXPORT_VIEW_PROPERTY(blurRadius, CGFloat)
+RCT_EXPORT_VIEW_PROPERTY(disableFiltering, BOOL)
 RCT_EXPORT_VIEW_PROPERTY(capInsets, UIEdgeInsets)
 RCT_REMAP_VIEW_PROPERTY(defaultSource, defaultImage, UIImage)
 RCT_EXPORT_VIEW_PROPERTY(onLoadStart, RCTDirectEventBlock)

After you have applied this patch to your RN project, you may now disable filtering for any image like so:

<Image disableFiltering={true} source={source} style={style} />

Included version for the latest prod release of 0.57.8 as well as the hacky hooks version of 0.57.7-hooks