diff --git a/CHANGELOG.md b/CHANGELOG.md
index f344f9998..241685db4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,16 +19,17 @@ Thanks to @BinaryQuantumSoul for his hard work on this project!
 Given huge number of changes with *+3443/-3342 commits diff over the past year, a completely different backend/engine and a change of focus,  
 it is time to give credit to original [author](https://github.com/auTOMATIC1111),  and move on!  
 
-## Update for 2024-04-26
+## Update for 2024-04-27
 
 - **Features**:
+  - **ModernUI** preview of the new [ModernUI](https://github.com/BinaryQuantumSoul/sdnext-modernui)  
   - **Gallery**: list, preview, search through all your images and videos!  
     implemented as infinite-scroll with client-side-caching and lazy-loading while being fully async and non-blocking  
     search or sort by path, name, size, width, height, mtime or any image metadata item, also with extended syntax like *width > 1000*  
     *settings*: optional additional user-defined folders, thumbnails in fixed or variable aspect-ratio  
   - [HiDiffusion](https://github.com/megvii-research/HiDiffusion):  
     generate high-resolution images using your standard models without duplicates/distorsions AND improved performance  
-    for example, SD15 can now go up to 2024x2048 and SDXL up to 4k natively
+    for example, *SD15* can now go up to *2024x2048* and *SDXL* up to *4k* natively
     simply enable checkbox in advanced menu and set desired resolution  
     additional settings are available in *settings -> inference settings -> hidiffusion*  
     and can also be set and used via *xyz grid*  
diff --git a/CODE_OF_CONDUCT b/CODE_OF_CONDUCT
new file mode 100644
index 000000000..f2205e46a
--- /dev/null
+++ b/CODE_OF_CONDUCT
@@ -0,0 +1,29 @@
+# Code of Conduct
+
+Use your best judgement  
+If it will possibly make others uncomfortable, do not post it
+
+- Be respectful  
+  Disagreement is not an opportunity to attack someone else's thoughts or opinions  
+  Although views may differ, remember to approach every situation with patience and care  
+- Be considerate  
+  Think about how your contribution will affect others in the community  
+- Be open minded  
+  Embrace new people and new ideas. Our community is continually evolving and we welcome positive change  
+
+Be mindful of your language  
+Any of the following behavior is unacceptable:
+
+- Offensive comments of any kind
+- Threats or intimidation
+- Or any other kinds of harassment
+
+If you believe someone is violating the code of conduct, we ask that you report it
+
+Participants asked to stop any harassing behavior are expected to comply immediately  
+
+<br>
+
+## Usage Restrictions
+
+See [LICENSE](LICENSE.txt) for more information
diff --git a/CONTRIBUTING b/CONTRIBUTING
new file mode 100644
index 000000000..9dc17f199
--- /dev/null
+++ b/CONTRIBUTING
@@ -0,0 +1,20 @@
+# Contributing Guidelines
+
+Pull requests from everyone are welcome
+
+Procedure for contributing:
+
+- Create a fork of the repository on github  
+  In a top right corner of a GitHub, select "Fork"
+  Its recommended to fork latest version from main branch to avoid any possible conflicting code updates
+- Clone your forked repository to your local system  
+  `git clone https://github.com/<your-username>/<your-fork>
+- Make your changes  
+- Test your changes
+- Test your changes against code guidelines  
+  - `ruff check`
+  - `pylint <folder>/<filename>.py`
+- Push changes to your fork  
+- Submit a PR (pull request)
+
+Your pull request will be reviewed and pending review results, merged into main branch