diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2c77f06..ffe618a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -16,7 +16,7 @@ jobs:
       matrix:
         os: [ubuntu-22.04]
         python_version: [3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
-        exiv2_version: [0.27.7]
+        exiv2_version: [0.28.1]
     runs-on: ${{matrix.os}}
     env:
       PLATFORM_NAME: linux
@@ -88,7 +88,7 @@ jobs:
       matrix:
         os: [macos-12]
         python_version: [3.6, 3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
-        exiv2_version: [0.27.7]
+        exiv2_version: [0.28.1]
     runs-on: ${{matrix.os}}
     env:
       PLATFORM_NAME: darwin
@@ -150,6 +150,7 @@ jobs:
 
     - name: Test
       run: |
+        brew install inih
         python -m pytest -v
 
 
@@ -160,7 +161,7 @@ jobs:
       matrix:
         os: [windows-2019]
         python_version: [3.6, 3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
-        exiv2_version: [0.27.7]
+        exiv2_version: [0.28.1]
     runs-on: ${{matrix.os}}
     env:
       PLATFORM_NAME: win
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 25d02a5..f351bab 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,12 +9,34 @@ on:
   workflow_dispatch:
 
 jobs:
+
   job1:
+    name: Test on ubuntu
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-22.04]
+        python_version: [3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python_version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python_version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install pytest psutil
+    - name: Test
+      run: |
+        pytest -v
+
+  job2:
     name: Test
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-12, macos-13, windows-2019]
+        os: [macos-12, macos-13]
         python_version: [3.6, 3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
     runs-on: ${{ matrix.os }}
     steps:
@@ -28,15 +50,16 @@ jobs:
         python -m pip install pytest psutil
     - name: Test
       run: |
+        brew install inih
         pytest -v
 
-  job2:
-    name: Test on ubuntu
+  job3:
+    name: Test
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-22.04]
-        python_version: [3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
+        os: [windows-2019]
+        python_version: [3.6, 3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v2
diff --git a/.github/workflows/test_package.yml b/.github/workflows/test_package.yml
index 043b3fa..fbac25f 100644
--- a/.github/workflows/test_package.yml
+++ b/.github/workflows/test_package.yml
@@ -9,11 +9,11 @@ on:
 
 jobs:
   job1:
-    name: Test package
+    name: Test package on ubuntu
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-12, macos-13, windows-2019]
+        os: [ubuntu-22.04]
         python_version: [3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
     runs-on: ${{ matrix.os }}
     steps:
@@ -24,7 +24,7 @@ jobs:
         python-version: ${{ matrix.python_version }}
     - name: Install dependencies
       run: |
-        python -m pip install pyexiv2==2.11.0
+        python -m pip install pyexiv2==2.12.0
         python -m pip install pytest psutil
     - name: Test
       run: |
@@ -35,11 +35,38 @@ jobs:
         PYEXIV2_MODULE: pyexiv2
 
   job2:
-    name: Test package on ubuntu
+    name: Test package
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-22.04]
+        os: [macos-12, macos-13]
+        python_version: [3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python_version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python_version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install pyexiv2==2.12.0
+        python -m pip install pytest psutil
+    - name: Test
+      run: |
+        brew install inih
+        python -c "import os; os.remove('pyexiv2/__init__.py')"    # Disable pyexiv2 in the repository, to use only the installed pyexiv2
+        python -c "from pyexiv2 import Image; print(Image.__doc__)"
+        pytest -v
+      env:
+        PYEXIV2_MODULE: pyexiv2
+
+  job3:
+    name: Test package
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-2019]
         python_version: [3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
     runs-on: ${{ matrix.os }}
     steps:
@@ -50,7 +77,7 @@ jobs:
         python-version: ${{ matrix.python_version }}
     - name: Install dependencies
       run: |
-        python -m pip install pyexiv2==2.11.0
+        python -m pip install pyexiv2==2.12.0
         python -m pip install pytest psutil
     - name: Test
       run: |
diff --git a/.gitmodules b/.gitmodules
index 10bc736..870c0c2 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule ".github/exiv2"]
 	path = .github/exiv2
 	url = https://github.com/Exiv2/exiv2.git
-  branch = v0.27.7
+  branch = v0.28.1
diff --git a/docs/Tutorial-cn.md b/docs/Tutorial-cn.md
index af78184..d9ffd9d 100644
--- a/docs/Tutorial-cn.md
+++ b/docs/Tutorial-cn.md
@@ -38,6 +38,12 @@
   ```
   - 这是因为 libintl.8.dylib 不存在。你需要执行 `brew install gettext` 。
 
+- 在 MacOS 上使用 pyexiv2 时，你可能遇到以下异常：
+  ```py
+  Library not loaded: '/usr/local/opt/inih/lib/libinih.0.dylib'
+  ```
+  - 这是因为 libinih.0.dylib 不存在。你需要执行 `brew install inih` 。
+
 - 在 Windows 上使用 pyexiv2 时，你可能遇到以下异常：
   ```py
   >>> import pyexiv2
@@ -81,6 +87,10 @@ class Image:
     def clear_icc       (self)
     def clear_thumbnail (self)
 
+    def copy_to_another_image(self, another_image,
+                              exif=True, iptc=True, xmp=True,
+                              comment=True, icc=True, thumbnail=True)
+
 
 class ImageData(Image):
     def __init__(self, data: bytes)
@@ -96,11 +106,11 @@ def convert_iptc_to_xmp(data: dict, encoding='utf-8') -> dict
 def convert_xmp_to_exif(data: dict, encoding='utf-8') -> dict
 def convert_xmp_to_iptc(data: dict, encoding='utf-8') -> dict
 
-__version__ = '...'
-__exiv2_version__ = '...'
+__version__ = '2.12.0'
+__exiv2_version__ = '0.28.1'
 ```
 
-## Class Image
+## class Image
 
 - 类 `Image` 用于根据文件路径打开图片。例如：
     ```py
@@ -118,7 +128,7 @@ __exiv2_version__ = '...'
     ```
   - 另一个例子：中国地区的 Windows 电脑通常用 GBK 编码文件路径，因此它们不能被 utf-8 解码。
 
-### close
+### close()
 
 - 当你处理完图片之后，请记得调用 `img.close()` ，以释放用于存储图片数据的内存。
   - 不调用该方法会导致内存泄漏，但不会锁定文件描述符。
@@ -128,7 +138,7 @@ __exiv2_version__ = '...'
         data = img.read_exif()
     ```
 
-### read
+### read_xx()
 
 - 读取元数据的示例:
     ```py
@@ -144,7 +154,7 @@ __exiv2_version__ = '...'
 - 调用 `Image.read_*()` 是安全的。这些方法永远不会影响图片文件（md5不变）。
 - 读取 XMP 元数据时，空白字符 `\v` 和 `\f` 会被替换为空格 ` ` 。
 
-### modify
+### modify_xx()
 
 - 修改元数据的示例:
     ```py
@@ -189,7 +199,7 @@ __exiv2_version__ = '...'
     ''
     ```
 
-### clear
+### clear_xx()
 
 - 调用 `img.clear_exif()` 将删除图片的所有 EXIF 元数据。一旦清除元数据，pyexiv2 可能无法完全恢复它。
 - `img.clear_iptc()` 和 `img.clear_xmp()` 的用法同理。
@@ -229,6 +239,30 @@ __exiv2_version__ = '...'
 - EXIF 标准允许在 JPEG 图片中嵌入缩略图，通常存储在 APP1 标签（FFE1）中。
 - Exiv2 支持读写图像中的 EXIF 缩略图。但是只能插入 JPEG 缩略图（不能插入TIFF）。
 
+### copy_xx()
+
+- 以下代码用于从一个图片拷贝元数据到另一个图片：
+  ```py
+  with pyexiv2.Image(r'.\pyexiv2\tests\1.jpg') as img1:
+      with pyexiv2.Image(r'.\pyexiv2\tests\2.jpg') as img2:
+          img2.modify_exif(img1.read_exif())
+          img2.modify_iptc(img1.read_iptc())
+          img2.modify_xmp(img1.read_xmp())
+  ```
+  但更推荐以下代码：
+  ```py
+  with pyexiv2.Image(r'.\pyexiv2\tests\1.jpg') as img1:
+      with pyexiv2.Image(r'.\pyexiv2\tests\2.jpg') as img2:
+          # 如果不想保留第二张图像中已有的元数据，可以提前清除第二张图像
+          # img2.clear_exif()
+          # img2.clear_iptc()
+          # img2.clear_xmp()
+          img1.copy_to_another_image(img2, exif=True, iptc=True, xmp=True, comment=False, icc=False, thumbnail=False)
+  ```
+  理由如下：
+  - 它的效率更高，因为不需要多次执行 modify_xx() 。
+  - 一张图片的元数据可能是错误的格式，无法被 pyexiv2 解析，但仍然可以复制到另一张图片上。
+
 ## class ImageData
 
 - 类 `ImageData` 继承于类 `Image`, 用于从字节数据中打开图片。
@@ -300,7 +334,7 @@ __exiv2_version__ = '...'
 
 ## convert
 
-- Exiv2 支持将某些 EXIF 或 IPTC 标签，转换成 XMP 标签，也支持反向转换。参考：<https://github.com/Exiv2/exiv2/blob/v0.27.7/src/convert.cpp#L313>
+- Exiv2 支持将某些 EXIF 或 IPTC 标签，转换成 XMP 标签，也支持反向转换。参考：<https://github.com/Exiv2/exiv2/blob/v0.28.1/src/convert.cpp#L313>
 - 示例：
     ```py
     >>> pyexiv2.convert_exif_to_xmp({'Exif.Image.Artist': 'test-中文-', 'Exif.Image.Rating': '4'})
diff --git a/docs/Tutorial.md b/docs/Tutorial.md
index 4c21ced..ad95439 100644
--- a/docs/Tutorial.md
+++ b/docs/Tutorial.md
@@ -38,6 +38,12 @@ Language: [English](./Tutorial.md) | [中文](./Tutorial-cn.md)
   ```
   - This is because libintl.8.dylib is missing. You need to execute `brew install gettext` .
 
+- When using pyexiv2 on MacOS, you may encounter the following exception:
+  ```py
+  Library not loaded: '/usr/local/opt/inih/lib/libinih.0.dylib'
+  ```
+  - This is because libinih.0.dylib is missing. You need to execute `brew install inih` .
+1
 - When using pyexiv2 on Windows, you may encounter the following exception:
   ```py
   >>> import pyexiv2
@@ -81,6 +87,10 @@ class Image:
     def clear_icc       (self)
     def clear_thumbnail (self)
 
+    def copy_to_another_image(self, another_image,
+                              exif=True, iptc=True, xmp=True,
+                              comment=True, icc=True, thumbnail=True)
+
 
 class ImageData(Image):
     def __init__(self, data: bytes)
@@ -96,8 +106,8 @@ def convert_iptc_to_xmp(data: dict, encoding='utf-8') -> dict
 def convert_xmp_to_exif(data: dict, encoding='utf-8') -> dict
 def convert_xmp_to_iptc(data: dict, encoding='utf-8') -> dict
 
-__version__ = '...'
-__exiv2_version__ = '...'
+__version__ = '2.12.0'
+__exiv2_version__ = '0.28.1'
 ```
 
 ## class Image
@@ -118,7 +128,7 @@ __exiv2_version__ = '...'
     ```
   - Another example: Windows computers in China usually encoded file paths by GBK, so they cannot be decoded by utf-8.
 
-### close
+### close()
 
 - When you're done with the image, remember to call `img.close()` to free the memory for storing image data.
     - Not calling this method causes a memory leak, but it doesn't lock the file descriptor.
@@ -128,7 +138,7 @@ __exiv2_version__ = '...'
         data = img.read_exif()
     ```
 
-### read
+### read_xx()
 
 - An example of reading metadata:
     ```py
@@ -144,7 +154,7 @@ __exiv2_version__ = '...'
 - It is safe to call `Image.read_*()`. These methods never affect image files (md5 unchanged).
 - When reading XMP metadata, the whitespace characters `\v` and `\f` are replaced with the space ` `.
 
-### modify
+### modify_xx()
 
 - An example of modifing metadata:
     ```py
@@ -189,7 +199,7 @@ __exiv2_version__ = '...'
     ''
     ```
 
-### clear
+### clear_xx()
 
 - Calling `img.clear_exif()` will delete all EXIF metadata of the image. Once cleared, pyexiv2 may not be able to recover it completely.
 - Use `img.clear_iptc()` and `img.clear_xmp()` in the similar way.
@@ -229,6 +239,30 @@ __exiv2_version__ = '...'
 - The EXIF standard allows embedding thumbnails in a JPEG image, which is typically stored in the APP1 tag (FFE1).
 - Exiv2 supports reading and writing EXIF thumbnails in images. But only JPEG thumbnails can be inserted (not TIFF thumbnails).
 
+### copy_xx()
+
+- The following code is used to copy metadata from one image to another image:
+  ```py
+  with pyexiv2.Image(r'.\pyexiv2\tests\1.jpg') as img1:
+      with pyexiv2.Image(r'.\pyexiv2\tests\2.jpg') as img2:
+          img2.modify_exif(img1.read_exif())
+          img2.modify_iptc(img1.read_iptc())
+          img2.modify_xmp(img1.read_xmp())
+  ```
+  However, the following code is more recommended:
+  ```py
+  with pyexiv2.Image(r'.\pyexiv2\tests\1.jpg') as img1:
+      with pyexiv2.Image(r'.\pyexiv2\tests\2.jpg') as img2:
+          # If you don't want to keep the metadata already in the second image, you can clear the second image in advance.
+          # img2.clear_exif()
+          # img2.clear_iptc()
+          # img2.clear_xmp()
+          img1.copy_to_another_image(img2, exif=True, iptc=True, xmp=True, comment=False, icc=False, thumbnail=False)
+  ```
+  The reasons are as follows:
+  - It's more efficient because it doesn't require multiple executions of modify_xx() .
+  - The metadata of an image may be in the wrong format and cannot be parsed by pyexiv2, but it can still be copied to another image.
+
 ## class ImageData
 
 - Class `ImageData`, inherited from class `Image`, is used to open an image from bytes data.
@@ -300,7 +334,7 @@ __exiv2_version__ = '...'
 
 ## convert
 
-- Exiv2 supports converting some EXIF or IPTC tags to XMP tags, and also supports reverse conversion. Reference: <https://github.com/Exiv2/exiv2/blob/v0.27.7/src/convert.cpp#L313>
+- Exiv2 supports converting some EXIF or IPTC tags to XMP tags, and also supports reverse conversion. Reference: <https://github.com/Exiv2/exiv2/blob/v0.28.1/src/convert.cpp#L313>
 - For example:
     ```py
     >>> pyexiv2.convert_exif_to_xmp({'Exif.Image.Artist': 'test-中文-', 'Exif.Image.Rating': '4'})
diff --git a/pyexiv2/__init__.py b/pyexiv2/__init__.py
index 2118fa1..171f832 100644
--- a/pyexiv2/__init__.py
+++ b/pyexiv2/__init__.py
@@ -6,7 +6,7 @@
 from .core import *
 
 
-__version__ = '2.11.0'
+__version__ = '2.12.0'
 __exiv2_version__ = exiv2api.version()
 
 
diff --git a/pyexiv2/core.py b/pyexiv2/core.py
index 8990893..e7ce966 100644
--- a/pyexiv2/core.py
+++ b/pyexiv2/core.py
@@ -9,7 +9,7 @@ class Image:
     Please call the public methods of this class.
     """
 
-    def __init__(self, filename, encoding='utf-8'):
+    def __init__(self, filename: str, encoding='utf-8'):
         """ Open an image and load its metadata. """
         self.img = exiv2api.Image(filename.encode(encoding))
 
@@ -80,7 +80,7 @@ def read_thumbnail(self) -> bytes:
         return self.img.read_thumbnail()
 
     def modify_exif(self, data: dict, encoding='utf-8'):
-        data = data.copy()  # Avoid modifying the original data
+        data = data.copy()  # Avoid modifying the original data when calling encode_ucs2()
         for tag in EXIF_TAGS_ENCODED_IN_UCS2:
             value = data.get(tag)
             if value:
@@ -127,6 +127,17 @@ def clear_icc(self):
     def clear_thumbnail(self):
         self.img.clear_thumbnail()
 
+    def copy_to_another_image(self, another_image,
+                              exif=True, iptc=True, xmp=True,
+                              comment=True, icc=True, thumbnail=True):
+        """ Copy metadata from one image to another image.
+        """
+        if not isinstance(another_image, (Image, ImageData)):
+            raise TypeError('The type of another_image should be pyexiv2.Image or pyexiv2.ImageData.')
+        self.img.copy_to_another_image(another_image.img,
+                                       exif, iptc, xmp,
+                                       comment, icc, thumbnail)
+
 
 class ImageData(Image):
     """
diff --git a/pyexiv2/lib/README.md b/pyexiv2/lib/README.md
index 8e6d9a2..aac1c24 100644
--- a/pyexiv2/lib/README.md
+++ b/pyexiv2/lib/README.md
@@ -27,16 +27,16 @@
 
 1. Download [the release of Exiv2](https://www.exiv2.org/archive.html) :
     ```sh
-    curl -O https://github.com/Exiv2/exiv2/releases/download/v0.27.7/exiv2-0.27.7-Linux64.tar.gz
-    tar -zxvf exiv2-0.27.7-Linux64.tar.gz
+    curl -O https://github.com/Exiv2/exiv2/releases/download/v0.28.1/exiv2-0.28.1-Linux64.tar.gz
+    tar -zxvf exiv2-0.28.1-Linux64.tar.gz
     ```
 
 2. Prepare environment variables according to your download path:
     ```sh
-    EXIV2_DIR=??/exiv2-0.27.7-Linux64
+    EXIV2_DIR=??/exiv2-0.28.1-Linux64
     LIB_DIR=??/pyexiv2/lib/
-    cp $EXIV2_DIR/lib/libexiv2.so.0.27.7  $EXIV2_DIR/lib/libexiv2.so
-    cp $EXIV2_DIR/lib/libexiv2.so.0.27.7  $LIB_DIR/libexiv2.so
+    cp $EXIV2_DIR/lib/libexiv2.so.0.28.1  $EXIV2_DIR/lib/libexiv2.so
+    cp $EXIV2_DIR/lib/libexiv2.so.0.28.1  $LIB_DIR/libexiv2.so
     ```
 
 3. Prepare the python interpreter:
@@ -65,15 +65,15 @@
 
 1. Download [the release of Exiv2](https://www.exiv2.org/archive.html) :
     ```sh
-    curl -O https://github.com/Exiv2/exiv2/releases/download/v0.27.7/exiv2-0.27.7-Darwin.tar.gz
-    tar -zxvf exiv2-0.27.7-Darwin.tar.gz
+    curl -O https://github.com/Exiv2/exiv2/releases/download/v0.28.1/exiv2-0.28.1-Darwin.tar.gz
+    tar -zxvf exiv2-0.28.1-Darwin.tar.gz
     ```
 
 2. Prepare environment variables according to your download path:
     ```sh
-    EXIV2_DIR=??/exiv2-0.27.7-Darwin
+    EXIV2_DIR=??/exiv2-0.28.1-Darwin
     LIB_DIR=??/pyexiv2/lib
-    cp ${EXIV2_DIR}/lib/libexiv2.0.27.7.dylib ${LIB_DIR}/libexiv2.dylib
+    cp ${EXIV2_DIR}/lib/libexiv2.0.28.1.dylib ${LIB_DIR}/libexiv2.dylib
     ```
 
 3. Prepare the python interpreter:
@@ -102,8 +102,8 @@
 
 1. Download [the release of Exiv2](https://www.exiv2.org/archive.html) :
     ```sh
-    curl -O https://github.com/Exiv2/exiv2/releases/download/v0.27.7/exiv2-0.27.7-2019msvc64.zip
-    python -m zipfile -e exiv2-0.27.7-2019msvc64.zip .
+    curl -O https://github.com/Exiv2/exiv2/releases/download/v0.28.1/exiv2-0.28.1-2019msvc64.zip
+    python -m zipfile -e exiv2-0.28.1-2019msvc64.zip .
     ```
 
 2. Install `Visual Studio 2019` (must use the same version of Visual Studio as the Exiv2 build) , and set the environment variables it needs.
@@ -111,7 +111,7 @@
 3. Prepare environment variables according to your download path:
     ```batch
     "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvars64.bat"
-    set  EXIV2_DIR=??\exiv2-0.27.7-2019msvc64
+    set  EXIV2_DIR=??\exiv2-0.28.1-2019msvc64
     set  LIB_DIR=??\pyexiv2\lib
     copy %EXIV2_DIR%\bin\exiv2.dll  %LIB_DIR%
     ```
diff --git a/pyexiv2/lib/exiv2.dll b/pyexiv2/lib/exiv2.dll
index bd030e3..8788cef 100644
Binary files a/pyexiv2/lib/exiv2.dll and b/pyexiv2/lib/exiv2.dll differ
diff --git a/pyexiv2/lib/exiv2api.cpp b/pyexiv2/lib/exiv2api.cpp
index 3be5fbb..72f2cc8 100644
--- a/pyexiv2/lib/exiv2api.cpp
+++ b/pyexiv2/lib/exiv2api.cpp
@@ -122,39 +122,39 @@ class Buffer{
 
 class Image{
 public:
-    Exiv2::Image::AutoPtr *img = new Exiv2::Image::AutoPtr;
+    Exiv2::Image::UniquePtr img;
 
     Image(const char *filename){
-        *img = Exiv2::ImageFactory::open(filename);
-        if (img->get() == 0)
-            throw Exiv2::Error(Exiv2::kerErrorMessage, "Can not open this image.");
-        (*img)->readMetadata();     // Calling readMetadata() reads all types of metadata supported by the image
+        img = Exiv2::ImageFactory::open(filename);
+        if (img.get() == 0)
+            throw Exiv2::Error(Exiv2::ErrorCode::kerErrorMessage, "Can not open this image.");
+        img->readMetadata();     // Calling readMetadata() reads all types of metadata supported by the image
         check_error_log();
     }
 
     Image(Buffer buffer){
-        *img = Exiv2::ImageFactory::open((Exiv2::byte *)buffer.data, buffer.size);
-        if (img->get() == 0)
-            throw Exiv2::Error(Exiv2::kerErrorMessage, "Can not open this image.");
-        (*img)->readMetadata();
+        img = Exiv2::ImageFactory::open((Exiv2::byte *)buffer.data, buffer.size);
+        if (img.get() == 0)
+            throw Exiv2::Error(Exiv2::ErrorCode::kerErrorMessage, "Can not open this image.");
+        img->readMetadata();
         check_error_log();
     }
 
     void close_image()
     {
-        delete img;
+        img.reset();
         check_error_log();
     }
 
     py::bytes get_bytes()
     {
-        Exiv2::BasicIo &io = (*img)->io();
+        Exiv2::BasicIo &io = img->io();
         return py::bytes((char *)io.mmap(), io.size());
     }
 
     std::string get_mime_type()
     {
-        return (*img)->mimeType();
+        return img->mimeType();
     }
 
     py::dict get_access_mode()
@@ -166,17 +166,17 @@ class Image{
         enum AccessMode { amNone=0, amRead=1, amWrite=2, amReadWrite=3 };
         */
         auto mode       = py::dict();
-        mode["exif"]    = int((*img)->checkMode(Exiv2::mdExif));
-        mode["iptc"]    = int((*img)->checkMode(Exiv2::mdIptc));
-        mode["xmp"]     = int((*img)->checkMode(Exiv2::mdXmp));
-        mode["comment"] = int((*img)->checkMode(Exiv2::mdComment));
-        // mode["icc"]     = int((*img)->checkMode(Exiv2::mdIccProfile));   // Exiv2 will not check ICC
+        mode["exif"]    = int(img->checkMode(Exiv2::mdExif));
+        mode["iptc"]    = int(img->checkMode(Exiv2::mdIptc));
+        mode["xmp"]     = int(img->checkMode(Exiv2::mdXmp));
+        mode["comment"] = int(img->checkMode(Exiv2::mdComment));
+        // mode["icc"]     = int(img->checkMode(Exiv2::mdIccProfile));   // Exiv2 will not check ICC
         return mode;
     }
 
     py::object read_exif()
     {
-        Exiv2::ExifData &data         = (*img)->exifData();
+        Exiv2::ExifData &data         = img->exifData();
         Exiv2::ExifData::iterator i   = data.begin();
         Exiv2::ExifData::iterator end = data.end();
         read_block;
@@ -184,7 +184,7 @@ class Image{
 
     py::object read_iptc()
     {
-        Exiv2::IptcData &data         = (*img)->iptcData();
+        Exiv2::IptcData &data         = img->iptcData();
         Exiv2::IptcData::iterator i   = data.begin();
         Exiv2::IptcData::iterator end = data.end();
         read_block;
@@ -192,7 +192,7 @@ class Image{
 
     py::object read_xmp()
     {
-        Exiv2::XmpData &data         = (*img)->xmpData();
+        Exiv2::XmpData &data         = img->xmpData();
         Exiv2::XmpData::iterator i   = data.begin();
         Exiv2::XmpData::iterator end = data.end();
         read_block;
@@ -204,30 +204,30 @@ class Image{
         When readMetadata() is called, Exiv2 reads the raw XMP text,
         stores it in a string called XmpPacket, then parses it into an XmpData instance.
         */
-        return py::bytes((*img)->xmpPacket());
+        return py::bytes(img->xmpPacket());
     }
 
     py::object read_comment()
     {
-        return py::bytes((*img)->comment());
+        return py::bytes(img->comment());
     }
 
     py::object read_icc()
     {
-        Exiv2::DataBuf *buf = (*img)->iccProfile();
-        return py::bytes((char*)buf->pData_, buf->size_);
+        Exiv2::DataBuf buf = img->iccProfile();
+        return py::bytes((char*)buf.c_str(), buf.size());
     }
 
     py::object read_thumbnail()
     {
-        Exiv2::ExifThumb exifThumb((*img)->exifData());
+        Exiv2::ExifThumb exifThumb(img->exifData());
         Exiv2::DataBuf buf = exifThumb.copy();
-        return py::bytes((char*)buf.pData_, buf.size_);
+        return py::bytes((char*)buf.c_str(), buf.size());
     }
 
     void modify_exif(py::list table, py::str encoding)
     {
-        Exiv2::ExifData &exifData = (*img)->exifData();
+        Exiv2::ExifData &exifData = img->exifData();
 
         // Iterate the input table. each line contains a key and a value
         for (auto _line : table){
@@ -239,30 +239,45 @@ class Image{
 
             // Extract the fields in line
             std::string key      = py::bytes(line[0].attr("encode")(encoding));
-            std::string value    = py::bytes(line[1].attr("encode")(encoding));
             std::string typeName = py::bytes(line[2].attr("encode")(encoding));
 
             // Locate the key
             Exiv2::ExifData::iterator key_pos = exifData.findKey(Exiv2::ExifKey(key));
-
-            // Delete the existing key to set a new value, otherwise the key may contain multiple values.
-            if (key_pos != exifData.end())
+            // Use the while loop because the key may repeat
+            while (key_pos != exifData.end()){
+                // Delete the existing key to set a new value
                 exifData.erase(key_pos);
+                key_pos = exifData.findKey(Exiv2::ExifKey(key));
+            }
 
+            // Set the value
             if      (typeName == "_delete")
                 continue;
             else if (typeName == "string")
+            {
+                std::string value = py::bytes(line[1].attr("encode")(encoding));
                 exifData[key] = value;
+            }
+            // The Exif specification allows for duplicate tags with the same key, although this is rare
+            else if (typeName == "array")
+            {
+                Exiv2::Value::UniquePtr value = Exiv2::Value::create(Exiv2::asciiString);
+                for (auto item: line[1]){
+                    std::string item_str = py::bytes(py::str(item).attr("encode")(encoding));
+                    value->read(item_str);
+                    exifData.add(Exiv2::ExifKey(key), value.get());
+                }
+            }
         }
 
-        (*img)->setExifData(exifData);  // Save metadata to images in memory
-        (*img)->writeMetadata();        // Save metadata from memory to disk
+        img->setExifData(exifData);  // Save metadata to images in memory
+        img->writeMetadata();        // Save metadata from memory to disk
         check_error_log();
     }
 
     void modify_iptc(py::list table, py::str encoding)
     {
-        Exiv2::IptcData &iptcData = (*img)->iptcData();
+        Exiv2::IptcData &iptcData = img->iptcData();
         for (auto _line : table){
             py::list line;
             for (auto field : _line)
@@ -270,7 +285,7 @@ class Image{
             std::string key      = py::bytes(line[0].attr("encode")(encoding));
             std::string typeName = py::bytes(line[2].attr("encode")(encoding));
             Exiv2::IptcData::iterator key_pos = iptcData.findKey(Exiv2::IptcKey(key));
-            while (key_pos != iptcData.end()){  // Use the while loop because the iptc key may repeat
+            while (key_pos != iptcData.end()){
                 iptcData.erase(key_pos);
                 key_pos = iptcData.findKey(Exiv2::IptcKey(key));
             }
@@ -283,7 +298,7 @@ class Image{
             }
             else if (typeName == "array")
             {
-                Exiv2::Value::AutoPtr value = Exiv2::Value::create(Exiv2::string);
+                Exiv2::Value::UniquePtr value = Exiv2::Value::create(Exiv2::string);
                 for (auto item: line[1]){
                     std::string item_str = py::bytes(py::str(item).attr("encode")(encoding));
                     value->read(item_str);
@@ -291,14 +306,14 @@ class Image{
                 }
             }
         }
-        (*img)->setIptcData(iptcData);
-        (*img)->writeMetadata();
+        img->setIptcData(iptcData);
+        img->writeMetadata();
         check_error_log();
     }
 
     void modify_xmp(py::list table, py::str encoding)
     {
-        Exiv2::XmpData &xmpData = (*img)->xmpData();
+        Exiv2::XmpData &xmpData = img->xmpData();
         for (auto _line : table){
             py::list line;
             for (auto field : _line)
@@ -306,8 +321,10 @@ class Image{
             std::string key = py::bytes(line[0].attr("encode")(encoding));
             std::string typeName = py::bytes(line[2].attr("encode")(encoding));
             Exiv2::XmpData::iterator key_pos = xmpData.findKey(Exiv2::XmpKey(key));
-            if (key_pos != xmpData.end())
+            while (key_pos != xmpData.end()){
                 xmpData.erase(key_pos);
+                key_pos = xmpData.findKey(Exiv2::XmpKey(key));
+            }
             if      (typeName == "_delete")
                 continue;
             else if (typeName == "string")
@@ -317,7 +334,7 @@ class Image{
             }
             else if (typeName == "array")
             {
-                Exiv2::Value::AutoPtr value = Exiv2::Value::create(Exiv2::xmpSeq);
+                Exiv2::Value::UniquePtr value = Exiv2::Value::create(Exiv2::xmpSeq);
                 for (auto item: line[1]){
                     std::string item_str = py::bytes(py::str(item).attr("encode")(encoding));
                     value->read(item_str);
@@ -325,84 +342,114 @@ class Image{
                 xmpData.add(Exiv2::XmpKey(key), value.get());
             }
         }
-        (*img)->setXmpData(xmpData);
-        (*img)->writeMetadata();
+        img->setXmpData(xmpData);
+        img->writeMetadata();
         check_error_log();
     }
 
     void modify_raw_xmp(py::str data, py::str encoding)
     {
         std::string data_str = py::bytes(data.attr("encode")(encoding));
-        (*img)->setXmpPacket(data_str);
-        (*img)->writeMetadata();
-        (*img)->writeXmpFromPacket();   // Refresh the parsed XMP data in memory
+        img->setXmpPacket(data_str);
+        img->writeMetadata();
+        (void)img->writeXmpFromPacket();   // Refresh the parsed XMP data in memory
         check_error_log();
     }
 
     void modify_comment(py::str data, py::str encoding)
     {
         std::string data_str = py::bytes(data.attr("encode")(encoding));
-        (*img)->setComment(data_str);
-        (*img)->writeMetadata();
+        img->setComment(data_str);
+        img->writeMetadata();
         check_error_log();
     }
 
     void modify_icc(const char *data, long size)
     {
         Exiv2::DataBuf buf((Exiv2::byte *) data, size);
-        (*img)->setIccProfile(buf);
-        (*img)->writeMetadata();
+        img->setIccProfile(std::move(buf));
+        img->writeMetadata();
         check_error_log();
     }
 
     void modify_thumbnail(const char *data, long size)
     {
-        Exiv2::ExifThumb exifThumb((*img)->exifData());
+        Exiv2::ExifThumb exifThumb(img->exifData());
         exifThumb.setJpegThumbnail((Exiv2::byte *) data, size);
-        (*img)->writeMetadata();
+        img->writeMetadata();
         check_error_log();
     }
 
     void clear_exif()
     {
-        (*img)->clearExifData();
-        (*img)->writeMetadata();
+        img->clearExifData();
+        img->writeMetadata();
         check_error_log();
     }
 
     void clear_iptc()
     {
-        (*img)->clearIptcData();
-        (*img)->writeMetadata();
+        img->clearIptcData();
+        img->writeMetadata();
         check_error_log();
     }
 
     void clear_xmp()
     {
-        (*img)->clearXmpData();
-        (*img)->writeMetadata();
+        img->clearXmpData();
+        img->writeMetadata();
         check_error_log();
     }
 
     void clear_comment()
     {
-        (*img)->clearComment();
-        (*img)->writeMetadata();
+        img->clearComment();
+        img->writeMetadata();
         check_error_log();
     }
 
     void clear_icc()
     {
-        (*img)->clearIccProfile();
-        (*img)->writeMetadata();
+        img->clearIccProfile();
+        img->writeMetadata();
         check_error_log();
     }
 
     void clear_thumbnail()
     {
-        Exiv2::ExifThumb exifThumb((*img)->exifData());
+        Exiv2::ExifThumb exifThumb(img->exifData());
         exifThumb.erase();
-        (*img)->writeMetadata();
+        img->writeMetadata();
+        check_error_log();
+    }
+
+    void copy_to_another_image(Image& another_image,
+                                bool exif, bool iptc, bool xmp,
+                                bool comment, bool icc, bool thumbnail)
+    {
+        if (comment) {
+            another_image.img->setComment(img->comment());
+        }
+        if (icc) {
+            Exiv2::DataBuf buf = img->iccProfile();
+            another_image.img->setIccProfile(std::move(buf));
+        }
+        // Exif.Image.JPEGInterchangeFormat may be changed when modifying thumbnail, so copy thumbnail before copying exif.
+        if (thumbnail) {
+            Exiv2::ExifThumb exifThumb(another_image.img->exifData());
+            Exiv2::DataBuf buf = exifThumb.copy();
+            exifThumb.setJpegThumbnail(buf.c_data(), buf.size());
+        }
+        if (exif) {
+            another_image.img->setExifData(img->exifData());
+        }
+        if (iptc) {
+            another_image.img->setIptcData(img->iptcData());
+        }
+        if (xmp) {
+            another_image.img->setXmpPacket(img->xmpPacket());
+        }
+        another_image.img->writeMetadata();
         check_error_log();
     }
 
@@ -464,7 +511,7 @@ py::object convert_iptc_to_xmp(py::list table, py::str encoding)
         }
         else if (typeName == "array")
         {
-            Exiv2::Value::AutoPtr value = Exiv2::Value::create(Exiv2::string);
+            Exiv2::Value::UniquePtr value = Exiv2::Value::create(Exiv2::string);
             for (auto item: line[1]){
                 std::string item_str = py::bytes(py::str(item).attr("encode")(encoding));
                 value->read(item_str);
@@ -504,7 +551,7 @@ py::object convert_xmp_to_exif(py::list table, py::str encoding)
         }
         else if (typeName == "array")
         {
-            Exiv2::Value::AutoPtr value = Exiv2::Value::create(Exiv2::xmpSeq);
+            Exiv2::Value::UniquePtr value = Exiv2::Value::create(Exiv2::xmpSeq);
             for (auto item: line[1]){
                 std::string item_str = py::bytes(py::str(item).attr("encode")(encoding));
                 value->read(item_str);
@@ -544,7 +591,7 @@ py::object convert_xmp_to_iptc(py::list table, py::str encoding)
         }
         else if (typeName == "array")
         {
-            Exiv2::Value::AutoPtr value = Exiv2::Value::create(Exiv2::xmpSeq);
+            Exiv2::Value::UniquePtr value = Exiv2::Value::create(Exiv2::xmpSeq);
             for (auto item: line[1]){
                 std::string item_str = py::bytes(py::str(item).attr("encode")(encoding));
                 value->read(item_str);
@@ -572,40 +619,41 @@ PYBIND11_MODULE(exiv2api, m)
 #endif
     m.def("set_log_level", &set_log_level);
     py::class_<Buffer>(m, "Buffer")
-        .def(py::init<const char *, long>())
-        .def_readonly("data"      , &Buffer::data)
-        .def_readonly("size"      , &Buffer::size)
-        .def("destroy"            , &Buffer::destroy)
-        .def("dump"               , &Buffer::dump);
+        .def(py::init<const char *  , long>())
+        .def_readonly("data"        , &Buffer::data)
+        .def_readonly("size"        , &Buffer::size)
+        .def("destroy"              , &Buffer::destroy)
+        .def("dump"                 , &Buffer::dump);
     py::class_<Image>(m, "Image")
         .def(py::init<const char *>())
         .def(py::init<Buffer &>())
-        .def("close_image"      , &Image::close_image)
-        .def("get_bytes"        , &Image::get_bytes)
-        .def("get_mime_type"    , &Image::get_mime_type)
-        .def("get_access_mode"  , &Image::get_access_mode)
-        .def("read_exif"        , &Image::read_exif)
-        .def("read_iptc"        , &Image::read_iptc)
-        .def("read_xmp"         , &Image::read_xmp)
-        .def("read_raw_xmp"     , &Image::read_raw_xmp)
-        .def("read_comment"     , &Image::read_comment)
-        .def("read_icc"         , &Image::read_icc)
-        .def("read_thumbnail"   , &Image::read_thumbnail)
-        .def("modify_exif"      , &Image::modify_exif)
-        .def("modify_iptc"      , &Image::modify_iptc)
-        .def("modify_xmp"       , &Image::modify_xmp)
-        .def("modify_raw_xmp"   , &Image::modify_raw_xmp)
-        .def("modify_comment"   , &Image::modify_comment)
-        .def("modify_icc"       , &Image::modify_icc)
-        .def("modify_thumbnail" , &Image::modify_thumbnail)
-        .def("clear_exif"       , &Image::clear_exif)
-        .def("clear_iptc"       , &Image::clear_iptc)
-        .def("clear_xmp"        , &Image::clear_xmp)
-        .def("clear_comment"    , &Image::clear_comment)
-        .def("clear_icc"        , &Image::clear_icc)
-        .def("clear_thumbnail"  , &Image::clear_thumbnail);
-    m.def("convert_exif_to_xmp" , &convert_exif_to_xmp);
-    m.def("convert_iptc_to_xmp" , &convert_iptc_to_xmp);
-    m.def("convert_xmp_to_exif" , &convert_xmp_to_exif);
-    m.def("convert_xmp_to_iptc" , &convert_xmp_to_iptc);
+        .def("close_image"          , &Image::close_image)
+        .def("get_bytes"            , &Image::get_bytes)
+        .def("get_mime_type"        , &Image::get_mime_type)
+        .def("get_access_mode"      , &Image::get_access_mode)
+        .def("read_exif"            , &Image::read_exif)
+        .def("read_iptc"            , &Image::read_iptc)
+        .def("read_xmp"             , &Image::read_xmp)
+        .def("read_raw_xmp"         , &Image::read_raw_xmp)
+        .def("read_comment"         , &Image::read_comment)
+        .def("read_icc"             , &Image::read_icc)
+        .def("read_thumbnail"       , &Image::read_thumbnail)
+        .def("modify_exif"          , &Image::modify_exif)
+        .def("modify_iptc"          , &Image::modify_iptc)
+        .def("modify_xmp"           , &Image::modify_xmp)
+        .def("modify_raw_xmp"       , &Image::modify_raw_xmp)
+        .def("modify_comment"       , &Image::modify_comment)
+        .def("modify_icc"           , &Image::modify_icc)
+        .def("modify_thumbnail"     , &Image::modify_thumbnail)
+        .def("clear_exif"           , &Image::clear_exif)
+        .def("clear_iptc"           , &Image::clear_iptc)
+        .def("clear_xmp"            , &Image::clear_xmp)
+        .def("clear_comment"        , &Image::clear_comment)
+        .def("clear_icc"            , &Image::clear_icc)
+        .def("clear_thumbnail"      , &Image::clear_thumbnail)
+        .def("copy_to_another_image", &Image::copy_to_another_image);
+    m.def("convert_exif_to_xmp"     , &convert_exif_to_xmp);
+    m.def("convert_iptc_to_xmp"     , &convert_iptc_to_xmp);
+    m.def("convert_xmp_to_exif"     , &convert_xmp_to_exif);
+    m.def("convert_xmp_to_iptc"     , &convert_xmp_to_iptc);
 }
diff --git a/pyexiv2/lib/libexiv2.dylib b/pyexiv2/lib/libexiv2.dylib
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diff --git a/pyexiv2/lib/py3.6-darwin/exiv2api.so b/pyexiv2/lib/py3.6-darwin/exiv2api.so
index c1bb17c..6310783 100644
Binary files a/pyexiv2/lib/py3.6-darwin/exiv2api.so and b/pyexiv2/lib/py3.6-darwin/exiv2api.so differ
diff --git a/pyexiv2/lib/py3.6-win/exiv2api.pyd b/pyexiv2/lib/py3.6-win/exiv2api.pyd
index 89cff83..f612cb9 100644
Binary files a/pyexiv2/lib/py3.6-win/exiv2api.pyd and b/pyexiv2/lib/py3.6-win/exiv2api.pyd differ
diff --git a/pyexiv2/lib/py3.7-darwin/exiv2api.so b/pyexiv2/lib/py3.7-darwin/exiv2api.so
index 8150e61..86975a1 100644
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diff --git a/pyexiv2/lib/py3.7-linux/exiv2api.so b/pyexiv2/lib/py3.7-linux/exiv2api.so
index fb7c82e..66a2f29 100644
Binary files a/pyexiv2/lib/py3.7-linux/exiv2api.so and b/pyexiv2/lib/py3.7-linux/exiv2api.so differ
diff --git a/pyexiv2/lib/py3.7-win/exiv2api.pyd b/pyexiv2/lib/py3.7-win/exiv2api.pyd
index 679df2d..8272811 100644
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diff --git a/pyexiv2/lib/py3.8-darwin/exiv2api.so b/pyexiv2/lib/py3.8-darwin/exiv2api.so
index b802ff9..110010e 100644
Binary files a/pyexiv2/lib/py3.8-darwin/exiv2api.so and b/pyexiv2/lib/py3.8-darwin/exiv2api.so differ
diff --git a/pyexiv2/lib/py3.8-linux/exiv2api.so b/pyexiv2/lib/py3.8-linux/exiv2api.so
index f84ec4a..e02e695 100644
Binary files a/pyexiv2/lib/py3.8-linux/exiv2api.so and b/pyexiv2/lib/py3.8-linux/exiv2api.so differ
diff --git a/pyexiv2/lib/py3.8-win/exiv2api.pyd b/pyexiv2/lib/py3.8-win/exiv2api.pyd
index 6bd0199..6c0efc8 100644
Binary files a/pyexiv2/lib/py3.8-win/exiv2api.pyd and b/pyexiv2/lib/py3.8-win/exiv2api.pyd differ
diff --git a/pyexiv2/lib/py3.9-darwin/exiv2api.so b/pyexiv2/lib/py3.9-darwin/exiv2api.so
index 8cf3469..81976d6 100644
Binary files a/pyexiv2/lib/py3.9-darwin/exiv2api.so and b/pyexiv2/lib/py3.9-darwin/exiv2api.so differ
diff --git a/pyexiv2/lib/py3.9-linux/exiv2api.so b/pyexiv2/lib/py3.9-linux/exiv2api.so
index 2b440ec..acf26f1 100644
Binary files a/pyexiv2/lib/py3.9-linux/exiv2api.so and b/pyexiv2/lib/py3.9-linux/exiv2api.so differ
diff --git a/pyexiv2/lib/py3.9-win/exiv2api.pyd b/pyexiv2/lib/py3.9-win/exiv2api.pyd
index 9412fe4..4ec32bb 100644
Binary files a/pyexiv2/lib/py3.9-win/exiv2api.pyd and b/pyexiv2/lib/py3.9-win/exiv2api.pyd differ
diff --git a/pyexiv2/tests/base.py b/pyexiv2/tests/base.py
index 962ee63..5023865 100644
--- a/pyexiv2/tests/base.py
+++ b/pyexiv2/tests/base.py
@@ -51,7 +51,7 @@ def diff_text(text1: (str, bytes), text2: (str, bytes)):
 def diff_dict(dict1, dict2):
     assert len(dict1) == len(dict2), "The two dict are of different length: {}, {}".format(len(dict1), len(dict2))
     for k in dict1.keys():
-        assert dict1[k] == dict2[k], "['{}'] is different.".format(k)
+        assert dict1[k] == dict2[k], "The two dict is different at ['{}'] :\n{}\n{}".format(k, dict1[k], dict2[k])
 
 
 def check_img_md5():
diff --git a/pyexiv2/tests/data/1.jpg b/pyexiv2/tests/data/1.jpg
index fdf6092..c8dc748 100644
Binary files a/pyexiv2/tests/data/1.jpg and b/pyexiv2/tests/data/1.jpg differ
diff --git a/pyexiv2/tests/data/data.py b/pyexiv2/tests/data/data.py
index eedebc2..efe12ac 100644
--- a/pyexiv2/tests/data/data.py
+++ b/pyexiv2/tests/data/data.py
@@ -14,13 +14,13 @@
     'Exif.Image.ImageDescription'   : 'test-中文-',
     'Exif.Image.Make'               : 'test-中文-',
     'Exif.Image.Model'              : 'test-中文-',
-    'Exif.Image.Orientation'        : '1',
+    'Exif.Image.Orientation'        : ['1', '2', '3'],
     'Exif.Image.DateTime'           : '2019:08:12 19:44:04',
     'Exif.Image.Artist'             : 'test-中文-',
     'Exif.Image.Rating'             : '4',
     'Exif.Image.RatingPercent'      : '75',
     'Exif.Image.Copyright'          : 'test-中文-',
-    'Exif.Image.ExifTag'            : '2446',
+    'Exif.Image.ExifTag'            : '2470',
     'Exif.Photo.ExposureProgram'    : '1',
     'Exif.Photo.ExifVersion'        : '48 50 50 49',
     'Exif.Photo.DateTimeOriginal'   : '2019:08:12 19:44:04',
@@ -42,7 +42,7 @@
     'Exif.Image.XPSubject'          : 'test-中文-\x00',
     'Exif.Image.0xea1c'             : '28 234 0 0 0 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0',
     'Exif.Thumbnail.Compression'                : '6',
-    'Exif.Thumbnail.JPEGInterchangeFormat'      : '4762',
+    'Exif.Thumbnail.JPEGInterchangeFormat'      : '4786',
     'Exif.Thumbnail.JPEGInterchangeFormatLength': '6969',
     }
 
diff --git a/pyexiv2/tests/test_func.py b/pyexiv2/tests/test_func.py
index ac2eafc..60a7bd6 100644
--- a/pyexiv2/tests/test_func.py
+++ b/pyexiv2/tests/test_func.py
@@ -5,7 +5,7 @@
 def test_version():
     try:
         from .base import __exiv2_version__
-        assert __exiv2_version__ == '0.27.7'
+        assert __exiv2_version__ == '0.28.1'
     except:
         ENV.skip_test = True
         raise
@@ -220,6 +220,27 @@ def test_clear_thumbnail():
     check_the_copy_of_img(diff_text, b'', 'read_thumbnail')
 
 
+def test_copy_to_another_image():
+    try:
+        shutil.copy(ENV.test_img, ENV.test_img_copy)
+        with Image(ENV.test_img_copy) as img_copy:
+            img_copy.clear_exif()
+            img_copy.clear_iptc()
+            img_copy.clear_xmp()
+            img_copy.clear_comment()
+            img_copy.clear_icc()
+            img_copy.clear_thumbnail()
+            ENV.img.copy_to_another_image(img_copy)
+            diff_dict(ENV.img.read_exif()       , img_copy.read_exif())
+            diff_dict(ENV.img.read_iptc()       , img_copy.read_iptc())
+            diff_dict(ENV.img.read_xmp()        , img_copy.read_xmp())
+            diff_text(ENV.img.read_comment()    , img_copy.read_comment())
+            diff_text(ENV.img.read_icc()        , img_copy.read_icc())
+            diff_text(ENV.img.read_thumbnail()  , img_copy.read_thumbnail())
+    finally:
+        os.remove(ENV.test_img_copy)
+
+
 def test_registerNs():
     with pytest.raises(RuntimeError):
         ENV.img.modify_xmp({'Xmp.test.mytag1': 'Hello'})
diff --git a/pyexiv2/tests/test_perf.py b/pyexiv2/tests/test_perf.py
index 614d58d..34e278f 100644
--- a/pyexiv2/tests/test_perf.py
+++ b/pyexiv2/tests/test_perf.py
@@ -36,6 +36,7 @@ def test_memory_leak_when_writing():
         test_func.test_modify_xmp()
         test_func.test_modify_comment()
         test_func.test_modify_icc()
+        test_func.test_copy_to_another_image()
     memory_end = process.memory_info().rss
     delta = (memory_end - memory_1) / 1024 / 1024
     assert delta < 1, 'Memory grew by {}MB, a memory leak may have occurred.'.format(delta)
@@ -79,7 +80,7 @@ def test_transmit_various_characters():
 def _test_thread_safe():
     """
     Test whether pyexiv2 can successfully run multiple threads.
-    TODO: pyexiv2 is not thread-safe because in exiv2api.cpp, check_error_log() reads and writes to a global variable.
+    TODO: pyexiv2 is not thread-safe because in exiv2api.cpp, check_error_log() reads and writes a global variable.
     """
     import multiprocessing
     pool = multiprocessing.Pool(3)
diff --git a/setup.py b/setup.py
index d870e03..51dab4a 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
 
 setuptools.setup(
     name='pyexiv2',
-    version='2.11.0',    # need to set the variable in 'pyexiv2/__init__.py'
+    version='2.12.0',    # need to set the variable in 'pyexiv2/__init__.py'
     author='LeoHsiao',
     author_email='leohsiao@foxmail.com',
     description='Read/Write metadata(including EXIF, IPTC, XMP), comment and ICC Profile embedded in digital images.',