diff --git a/CHANGELOG.md b/CHANGELOG.md
index 500a304..c693aed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # CHANGELOG
 
+## v1.2.0 (2022-01-17)
+
+### Changed
+
+- Bump up minimum environment to macOS 10.15.
+- Add an animation while book item added / deleted.
+- Update web packages
+
 ## v1.1.3 (2021-12-26)
 
 ### Changed
diff --git a/Fomalhaut2.xcodeproj/project.pbxproj b/Fomalhaut2.xcodeproj/project.pbxproj
index 2f1247e..8f0c6bd 100644
--- a/Fomalhaut2.xcodeproj/project.pbxproj
+++ b/Fomalhaut2.xcodeproj/project.pbxproj
@@ -848,7 +848,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.15.1;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
@@ -904,7 +904,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.15.1;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
 				SDKROOT = macosx;
@@ -923,7 +923,7 @@
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 2021.12.1;
+				CURRENT_PROJECT_VERSION = 2022;
 				DEVELOPMENT_TEAM = W3A6B7FDC7;
 				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = Fomalhaut2/Info.plist;
@@ -931,7 +931,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MARKETING_VERSION = 1.1.3;
+				MARKETING_VERSION = 1.2.0;
 				PRODUCT_BUNDLE_IDENTIFIER = net.mtgto.Fomalhaut2;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
@@ -948,7 +948,7 @@
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 2021.12.1;
+				CURRENT_PROJECT_VERSION = 2022;
 				DEVELOPMENT_TEAM = W3A6B7FDC7;
 				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = Fomalhaut2/Info.plist;
@@ -956,7 +956,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MARKETING_VERSION = 1.1.3;
+				MARKETING_VERSION = 1.2.0;
 				PRODUCT_BUNDLE_IDENTIFIER = net.mtgto.Fomalhaut2;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
@@ -1027,7 +1027,6 @@
 					"@executable_path/../Frameworks",
 					"@loader_path/Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				PRODUCT_BUNDLE_IDENTIFIER = net.mtgto.Shared;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				SKIP_INSTALL = YES;
@@ -1057,7 +1056,6 @@
 					"@executable_path/../Frameworks",
 					"@loader_path/Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				PRODUCT_BUNDLE_IDENTIFIER = net.mtgto.Shared;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				SKIP_INSTALL = YES;
@@ -1073,7 +1071,7 @@
 				CODE_SIGN_ENTITLEMENTS = Fomalhaut2QuickLook/Fomalhaut2QuickLook.entitlements;
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 2021.12.1;
+				CURRENT_PROJECT_VERSION = 2022;
 				DEVELOPMENT_TEAM = W3A6B7FDC7;
 				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = Fomalhaut2QuickLook/Info.plist;
@@ -1082,8 +1080,7 @@
 					"@executable_path/../Frameworks",
 					"@executable_path/../../../../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 10.15;
-				MARKETING_VERSION = 1.1.3;
+				MARKETING_VERSION = 1.2.0;
 				PRODUCT_BUNDLE_IDENTIFIER = net.mtgto.Fomalhaut2.Fomalhaut2QuickLook;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
@@ -1097,7 +1094,7 @@
 				CODE_SIGN_ENTITLEMENTS = Fomalhaut2QuickLook/Fomalhaut2QuickLook.entitlements;
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 2021.12.1;
+				CURRENT_PROJECT_VERSION = 2022;
 				DEVELOPMENT_TEAM = W3A6B7FDC7;
 				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = Fomalhaut2QuickLook/Info.plist;
@@ -1106,8 +1103,7 @@
 					"@executable_path/../Frameworks",
 					"@executable_path/../../../../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 10.15;
-				MARKETING_VERSION = 1.1.3;
+				MARKETING_VERSION = 1.2.0;
 				PRODUCT_BUNDLE_IDENTIFIER = net.mtgto.Fomalhaut2.Fomalhaut2QuickLook;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;