diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5065fb8..b2ac998 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,10 +7,25 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+- Nothing
+
+## [3.1.0] — 2020-09-09
+
 ### Added
 
 - `kts` (kotlin) support.
+- `xsh` support.
+- `pyc` support (decompilation with `uncompyle6` [has to be in `/usr/local/bin`])
+- `rst` support.
+- `perl` support.
+- `bats` (Bash Automated Testing System) support.
+
+### Fixed
+
+- `fish` support. 
 - `bat` (Windows Batch) support.
+- `diff` support.
+- `bash` support.
 
 ## [3.0.3] — 2020-09-09
 
diff --git a/Info.plist b/Info.plist
index 6fe01d2..737cc23 100644
--- a/Info.plist
+++ b/Info.plist
@@ -62,6 +62,14 @@
 				<string>dyn.ah62d4rv4ge81u6k</string>
 				<string>dyn.ah62d4rv4ge8007dx</string>
 				<string>dyn.ah62d4rv4ge80e2py</string>
+				<string>dyn.ah62d4rv4ge80q4pxra</string>
+				<string>dyn.ah62d4rv4ge81u65k</string>
+				<string>dyn.ah62d4rv4ge81a8pd</string>
+				<string>dyn.ah62d4rv4ge81e65y</string>
+				<string>public.perl-script</string>
+				<string>dyn.ah62d4rv4ge80e2pysq</string>
+				<string>public.patch-file</string>
+				<string>public.bash-script</string>
 			</array>
 		</dict>
 	</array>
@@ -331,6 +339,7 @@
 			<key>UTTypeConformsTo</key>
 			<array>
 				<string>public.script</string>
+				<string>public.patch-file</string>
 			</array>
 			<key>UTTypeDescription</key>
 			<string>Diff File</string>
@@ -962,6 +971,7 @@
 			<key>UTTypeConformsTo</key>
 			<array>
 				<string>public.source-code</string>
+				<string>dyn.ah62d4rv4ge80q4pxra</string>
 			</array>
 			<key>UTTypeDescription</key>
 			<string>Fish source files</string>
@@ -975,6 +985,23 @@
 				</array>
 			</dict>
 		</dict>
+		<dict>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>dyn.ah62d4rv4ge81u65k</string>
+			</array>
+			<key>UTTypeDescription</key>
+			<string>XSH source files</string>
+			<key>UTTypeIdentifier</key>
+			<string>org.xsh.source</string>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>xsh</string>
+				</array>
+			</dict>
+		</dict>
 		<dict>
 			<key>UTTypeConformsTo</key>
 			<array>
@@ -1031,6 +1058,8 @@
 			<key>UTTypeConformsTo</key>
 			<array>
 				<string>public.source-code</string>
+				<string>dyn.ah62d4rv4ge80e2pysq</string>
+				<string>public.bash-script</string>
 			</array>
 			<key>UTTypeDescription</key>
 			<string>Shell script</string>
@@ -1041,6 +1070,8 @@
 				<key>public.filename-extension</key>
 				<array>
 					<string>bashrc</string>
+					<string>bats</string>
+					<string>bash</string>
 				</array>
 			</dict>
 		</dict>
diff --git a/QLColorCode.xcodeproj/project.pbxproj b/QLColorCode.xcodeproj/project.pbxproj
index fd7c86a..4e46d86 100644
--- a/QLColorCode.xcodeproj/project.pbxproj
+++ b/QLColorCode.xcodeproj/project.pbxproj
@@ -287,9 +287,9 @@
 			buildSettings = {
 				CLANG_ENABLE_OBJC_WEAK = YES;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 3.0.4.dev1;
+				CURRENT_PROJECT_VERSION = 3.1.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.15;
-				MARKETING_VERSION = 3.0.4.dev1;
+				MARKETING_VERSION = 3.1.0;
 				OTHER_CFLAGS = "-DDEBUG";
 			};
 			name = Debug;
@@ -299,9 +299,9 @@
 			buildSettings = {
 				CLANG_ENABLE_OBJC_WEAK = YES;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 3.0.4.dev1;
+				CURRENT_PROJECT_VERSION = 3.1.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.15;
-				MARKETING_VERSION = 3.0.4.dev1;
+				MARKETING_VERSION = 3.1.0;
 			};
 			name = Release;
 		};
diff --git a/src/colorize.sh b/src/colorize.sh
index b08564e..f4a0b57 100755
--- a/src/colorize.sh
+++ b/src/colorize.sh
@@ -67,6 +67,10 @@ case ${target} in
     *.rdf | *.xul | *.ecore )
         lang=xml
         ;;
+    *.pyc )
+        lang=python
+        reader=(/usr/local/bin/uncompyle6 ${target})
+        ;;
     *.ascr | *.scpt )
         lang=applescript
         reader=(/usr/bin/osadecompile ${target})
@@ -99,7 +103,7 @@ case ${target} in
         lang=py
         plugin=(--plug-in python_ref_python_org)
         ;;
-    *.sh | *.zsh | *.bash | *.csh | *.fish | *.bashrc | *.zshrc )
+    *.sh | *.zsh | *.bash | *.csh | *.bashrc | *.zshrc | *.xsh )
         lang=sh
         plugin=(--plug-in bash_functions)
         ;;