Pull Request resolves # .

• I read the Generative AI policy and my contribution is either not created with the help of AI or is compatible with the policy and GNU/GPL 2 or later.

Summary of Changes

This pull request (PR) backports changes in files "README.md", "README.txt" and "CONTRIBUTING.md" from the 6.2-dev branch, including the changes from the open RTC PR #48733 , so that they only differ where they should.

Testing Instructions

Code review: Compare the 3 files changed by this PR here to the same files in the 6.2-dev branch, and in case of "CONTRIBUTING.md" compare with the changed file of PR #48733 .

Actual result BEFORE applying this Pull Request

The files differ, also at places where they should be the same.
E.g. section "Which branch should my Pull Request target" should be identical.

Expected result AFTER applying this Pull Request

The only differ where they should:

• The "CONTRIBUTING.md" files will be equal when PR #48733 will be merged into 6.2-dev.
• In file "README.md", only branch-specific information differs. Section "Which branch should my Pull Request target" is identical.
• In file "README.txt", only branch-specific information differs.

Link to documentations

Please select:

• Documentation link for guide.joomla.org:

• No documentation changes for guide.joomla.org needed

• Pull Request link for manual.joomla.org:

• No documentation changes for manual.joomla.org needed