diff --git a/export_presets.cfg b/export_presets.cfg
index 0053b25..0618c92 100644
--- a/export_presets.cfg
+++ b/export_presets.cfg
@@ -9,7 +9,7 @@ custom_features=""
 export_filter="all_resources"
 include_filter=""
 exclude_filter="builds/*,playtest/*,scripts/*"
-export_path="builds/v0.5.0-prealpha/windows-x86_64/NETfishing.exe"
+export_path="builds/v0.5.1-prealpha/windows-x86_64/NETfishing.exe"
 patches=PackedStringArray()
 encryption_include_filters=""
 encryption_exclude_filters=""
@@ -35,11 +35,11 @@ application/modify_resources=true
 application/icon=""
 application/console_wrapper_icon=""
 application/icon_interpolation=4
-application/file_version="0.5.0.0"
-application/product_version="0.5.0.0"
+application/file_version="0.5.1.0"
+application/product_version="0.5.1.0"
 application/company_name=""
 application/product_name="NETfishing"
-application/file_description="NETfishing v0.5.0-prealpha"
+application/file_description="NETfishing v0.5.1-prealpha"
 application/copyright=""
 application/trademarks=""
 application/export_angle=0
@@ -51,6 +51,67 @@ ssh_remote_deploy/extra_args_scp=""
 ssh_remote_deploy/run_script="#!/usr/bin/env bash\nexport DISPLAY=:0\nunzip -o -q \"{temp_dir}/{archive_name}\" -d \"{temp_dir}\"\n\"{temp_dir}/{exe_name}\" {cmd_args}"
 ssh_remote_deploy/cleanup_script="#!/usr/bin/env bash\nkill $(pgrep -x -f \"{temp_dir}/{exe_name} {cmd_args}\")\nrm -rf \"{temp_dir}\""
 
+[preset.3]
+
+name="Linux ARM64"
+platform="Linux"
+runnable=false
+advanced_options=false
+dedicated_server=false
+custom_features=""
+export_filter="all_resources"
+include_filter=""
+exclude_filter="builds/*,playtest/*,scripts/*"
+export_path="builds/v0.5.1-prealpha/linux-arm64/NETfishing.arm64"
+patches=PackedStringArray()
+encryption_include_filters=""
+encryption_exclude_filters=""
+seed=0
+encrypt_pck=false
+encrypt_directory=false
+script_export_mode=2
+
+[preset.3.options]
+
+custom_template/debug=""
+custom_template/release=""
+debug/export_console_wrapper=0
+binary_format/embed_pck=false
+binary_format/architecture="arm64"
+texture_format/s3tc_bptc=true
+texture_format/etc2_astc=false
+
+[preset.4]
+
+name="macOS"
+platform="macOS"
+runnable=false
+advanced_options=false
+dedicated_server=false
+custom_features=""
+export_filter="all_resources"
+include_filter=""
+exclude_filter="builds/*,playtest/*,scripts/*"
+export_path="builds/v0.5.1-prealpha/macos/NETfishing.zip"
+patches=PackedStringArray()
+encryption_include_filters=""
+encryption_exclude_filters=""
+seed=0
+encrypt_pck=false
+encrypt_directory=false
+script_export_mode=2
+
+[preset.4.options]
+
+custom_template/debug=""
+custom_template/release=""
+application/bundle_identifier="io.makearmy.netfishing"
+application/short_version="0.5.1"
+application/version="0.5.1"
+application/architecture="universal"
+codesign/enable=false
+notarization/enable=false
+
 [preset.2]
 
 name="Android"
@@ -62,7 +123,7 @@ custom_features=""
 export_filter="all_resources"
 include_filter=""
 exclude_filter="builds/*,playtest/*,scripts/*"
-export_path="builds/android/NETfishing-debug.apk"
+export_path="builds/v0.5.1-prealpha/android/NETfishing.apk"
 patches=PackedStringArray()
 encryption_include_filters=""
 encryption_exclude_filters=""
@@ -83,8 +144,8 @@ architectures/armeabi-v7a=false
 architectures/arm64-v8a=true
 architectures/x86=false
 architectures/x86_64=false
-version/code=40100
-version/name="0.5.0-prealpha"
+version/code=50100
+version/name="0.5.1-prealpha"
 package/unique_name="io.makearmy.netfishing"
 package/name="NETfishing"
 package/signed=true
@@ -121,7 +182,7 @@ custom_features=""
 export_filter="all_resources"
 include_filter=""
 exclude_filter="builds/*,playtest/*,scripts/*"
-export_path="builds/v0.5.0-prealpha/linux-x86_64/NETfishing.x86_64"
+export_path="builds/v0.5.1-prealpha/linux-x86_64/NETfishing.x86_64"
 patches=PackedStringArray()
 encryption_include_filters=""
 encryption_exclude_filters=""
diff --git a/playtest/README-PLAYTEST.txt b/playtest/README-PLAYTEST.txt
index 553fc44..8116fc2 100644
--- a/playtest/README-PLAYTEST.txt
+++ b/playtest/README-PLAYTEST.txt
@@ -1,6 +1,6 @@
 NETfishing
-v0.5.0-prealpha
-Pre-Alpha 0.5.0
+v0.5.1-prealpha
+Pre-Alpha 0.5.1
 
 Thank you for trying this early private playtest.
 
diff --git a/progression/character_customization_catalog.gd b/progression/character_customization_catalog.gd
index fe3b249..ddcf0b3 100644
--- a/progression/character_customization_catalog.gd
+++ b/progression/character_customization_catalog.gd
@@ -155,15 +155,21 @@ static func _ensure_feature_assets() -> void:
 		if directory != null:
 			var files := directory.get_files()
 			files.sort()
+			var normalized_paths: Dictionary = {}
 			for file_name: String in files:
-				if not file_name.to_lower().ends_with(".png"):
+				var normalized_file_name := _canonical_feature_filename(file_name)
+				if (
+					normalized_file_name.is_empty()
+					or normalized_paths.has(normalized_file_name)
+				):
 					continue
+				normalized_paths[normalized_file_name] = true
 				var option_id := _feature_id_from_filename(
-					category_id, file_name
+					category_id, normalized_file_name
 				)
 				if option_id.is_empty() or textures.has(option_id):
 					continue
-				var resource_path := root_path.path_join(file_name)
+				var resource_path := root_path.path_join(normalized_file_name)
 				var texture := ResourceLoader.load(resource_path) as Texture2D
 				if texture == null:
 					push_warning(
@@ -181,6 +187,18 @@ static func _ensure_feature_assets() -> void:
 		_feature_textures[category_id] = textures
 
 
+static func _canonical_feature_filename(file_name: String) -> String:
+	var lower_name := file_name.to_lower()
+	for sidecar_suffix: String in [".import", ".remap"]:
+		if lower_name.ends_with(".png" + sidecar_suffix):
+			return file_name.substr(
+				0, file_name.length() - sidecar_suffix.length()
+			)
+	if lower_name.ends_with(".png"):
+		return file_name
+	return ""
+
+
 static func _feature_id_from_filename(
 	category_id: String,
 	file_name: String,
diff --git a/project.godot b/project.godot
index 43d04a9..080c9f8 100644
--- a/project.godot
+++ b/project.godot
@@ -11,7 +11,7 @@ config_version=5
 [application]
 
 config/name="NETFISHING"
-config/version="0.5.0-prealpha"
+config/version="0.5.1-prealpha"
 run/main_scene="res://main/main.tscn"
 config/features=PackedStringArray("4.7", "GL Compatibility")
 config/icon="res://icon.svg"
diff --git a/scripts/build_playtest.sh b/scripts/build_playtest.sh
index 2cc3e72..e984de3 100755
--- a/scripts/build_playtest.sh
+++ b/scripts/build_playtest.sh
@@ -4,12 +4,12 @@ set -euo pipefail
 
 readonly SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
 readonly PROJECT_ROOT="$(cd -- "${SCRIPT_DIR}/.." && pwd)"
-readonly BUILD_ROOT="${PROJECT_ROOT}/builds/v0.5.0-prealpha"
+readonly BUILD_ROOT="${PROJECT_ROOT}/builds/v0.5.1-prealpha"
 readonly WINDOWS_DIR="${BUILD_ROOT}/windows-x86_64"
 readonly LINUX_DIR="${BUILD_ROOT}/linux-x86_64"
 readonly README_SOURCE="${PROJECT_ROOT}/playtest/README-PLAYTEST.txt"
-readonly WINDOWS_ZIP="${BUILD_ROOT}/NETfishing-v0.5.0-prealpha-windows-x86_64.zip"
-readonly LINUX_ZIP="${BUILD_ROOT}/NETfishing-v0.5.0-prealpha-linux-x86_64.zip"
+readonly WINDOWS_ZIP="${BUILD_ROOT}/NETfishing-v0.5.1-prealpha-windows-x86_64.zip"
+readonly LINUX_ZIP="${BUILD_ROOT}/NETfishing-v0.5.1-prealpha-linux-x86_64.zip"
 readonly GODOT_BIN="${GODOT_BIN:-godot}"
 
 if [[ ! -f "${PROJECT_ROOT}/project.godot" ]]; then
diff --git a/tests/exported_decal_hotfix_validation.gd b/tests/exported_decal_hotfix_validation.gd
new file mode 100644
index 0000000..be70325
--- /dev/null
+++ b/tests/exported_decal_hotfix_validation.gd
@@ -0,0 +1,47 @@
+extends SceneTree
+
+
+func _initialize() -> void:
+	call_deferred("_run")
+
+
+func _run() -> void:
+	assert(
+		CharacterCustomizationCatalog._canonical_feature_filename(
+			"eyes_alligator_eyes.png"
+		) == "eyes_alligator_eyes.png"
+	)
+	assert(
+		CharacterCustomizationCatalog._canonical_feature_filename(
+			"eyes_alligator_eyes.png.import"
+		) == "eyes_alligator_eyes.png"
+	)
+	assert(
+		CharacterCustomizationCatalog._canonical_feature_filename(
+			"eyes_alligator_eyes.png.remap"
+		) == "eyes_alligator_eyes.png"
+	)
+	assert(
+		CharacterCustomizationCatalog._canonical_feature_filename(
+			"eyes_alligator_eyes.jpg"
+		).is_empty()
+	)
+
+	var expected_counts := {"eyes": 22, "mouth": 17, "nose": 17}
+	for category_id: String in expected_counts:
+		var options := CharacterCustomizationCatalog.options_for(category_id)
+		assert(options.size() == int(expected_counts[category_id]) + 1)
+		var seen_ids: Dictionary = {}
+		for option: Dictionary in options:
+			var option_id := str(option.get("id", ""))
+			assert(not seen_ids.has(option_id))
+			seen_ids[option_id] = true
+			if option_id != "none":
+				assert(
+					CharacterCustomizationCatalog.texture_for(
+						category_id, option_id
+					) != null
+				)
+
+	print("Exported decal hotfix validation: PASS")
+	quit()
diff --git a/tests/exported_decal_hotfix_validation.gd.uid b/tests/exported_decal_hotfix_validation.gd.uid
new file mode 100644
index 0000000..e75742a
--- /dev/null
+++ b/tests/exported_decal_hotfix_validation.gd.uid
@@ -0,0 +1 @@
+uid://dolsbknm52hsy
diff --git a/ui/title_screen.tscn b/ui/title_screen.tscn
index 475a180..7f7d499 100644
--- a/ui/title_screen.tscn
+++ b/ui/title_screen.tscn
@@ -206,7 +206,7 @@ unique_name_in_owner = true
 layout_mode = 2
 theme_override_colors/font_color = Color(0.682, 0.733, 0.761, 1)
 theme_override_font_sizes/font_size = 22
-text = "v0.5.0-prealpha"
+text = "v0.5.1-prealpha"
 horizontal_alignment = 1
 
 [node name="Spacer" type="Control" parent="ResponsiveTitleStage/TitlePresentationScaleRoot/Center/MainContent"]