To ensure that the versions are listed in the correct order with the latest on top in Packagist, you should follow semantic versioning and use proper pre-release identifiers. Here are some recommendations:

1. Semantic Versioning: Follow semantic versioning (SemVer) strictly. The format is MAJOR.MINOR.PATCH, where:

   • MAJOR version increments for incompatible changes.
   • MINOR version increments for backward-compatible functionality.
   • PATCH version increments for backward-compatible bug fixes.

2. Pre-release Identifiers: Use pre-release identifiers (e.g., alpha, beta, rc) with a numeric suffix to maintain proper order. The format is MAJOR.MINOR.PATCH-<identifier>.<number>.

3. Release Order: Ensure that the versions increment logically so that Packagist can sort them correctly.

Here is an example of how to version your releases:

1. Initial Development:

   • v0.0.1-alpha.1
   • v0.0.1-alpha.2
   • v0.0.1-beta.1
   • v0.0.1-beta.2
   • v0.0.1-rc.1 (Release Candidate)
   • v0.0.1

2. Subsequent Versions:

   • v0.1.0-alpha.1
   • v0.1.0-beta.1
   • v0.1.0
   • v1.0.0-alpha.1
   • v1.0.0-beta.1
   • v1.0.0-rc.1
   • v1.0.0

Using this approach, Packagist will list the versions correctly with the latest version at the top. Here is how the sorted order would look:

1. v1.0.0
2. v1.0.0-rc.1
3. v1.0.0-beta.1
4. v1.0.0-alpha.1
5. v0.1.0
6. v0.1.0-beta.1
7. v0.1.0-alpha.1
8. v0.0.1
9. v0.0.1-rc.1
10. v0.0.1-beta.2
11. v0.0.1-beta.1
12. v0.0.1-alpha.2
13. v0.0.1-alpha.1

By following this versioning scheme, you ensure that the latest version always appears at the top of the list in Packagist.