Discuz! X3.4 Early adopter version Simplified UTF8 20211022

On the basis of inheriting and improving Discuz!X3.3, the early adopter version of Discuz! .

Discuz! is a website building system used by more than 3 million webmasters. It is one of the most mature and widely covered website building systems in the world and has more than 5,000 applications. Discuz!'s infrastructure is implemented using the web programming combination PHP+MySQL. It is a well-designed and efficient website building solution suitable for various server environments.

The main update features of Discuz!X3.4 are:
v3.4-20211022
Optimize code, fix known bugs, and improve functions

Upgrade methods and steps (the following methods are only applicable to Discuz!X series products)
1. Enter your original system and close your site. Make a data backup.
2. Create an old folder on the site, and move files other than data, config, uc_server, and uc_client to the old directory.
3. Download and unzip the latest version of the program package (please note that it needs to be the same as your original language version and cannot be mixed)
4. After the program package is decompressed, you can see three directories: readme, upload, and utilities.
5. Upload the program in the upload directory to the server forum directory. If prompted to overwrite, select "Yes"
6. Upload the update.php program in the /utilities/ directory in the compressed package to your forum install directory. And delete index.php in the install directory
7. Visit http://your domain name/forum directory/install/update.php
8. Follow the program prompts until all upgrades are completed. Delete the update.php program to avoid malicious use.
9. Enter the forum background, update the cache, and set up and test new functions.
10. If there are non-discuzX program files stored in the old directory, back up or restore them to their original locations. Otherwise, the programs in them can be deleted after the upgrade is successful.