v4.3.3 released

Hi all! We have released new patch version of the framework.

It includes two security related fixes (and five fixes in the User Guide).

• Email: Added missing TLS 1.3 support.
  
• Text Helper: The random_string() type alpha, alnum, numeric, and nozero are now cryptographically secure.
  

Note that the random_string() type basic, md5, and sha1 are not cryptographically secure as before. I recommend you don't use them.

ChangeLog: https://codeigniter4.github.io/userguide...4.3.3.html
Upgrading Guide: https://codeigniter4.github.io/userguide...e_433.html

Note: Unfortunately, due to deployment trouble, the official User Guide in codeigniter.com is not yet updated.
Please read the User Guide in GitHub Pages.

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