opam 2.6.0~beta2

This is the second beta release of opam 2.6.0.

Binaries and full archive are signed by the opam dev team (fingerprint 92C5 26AE 50DF 3947 0EB2 911B ED4C F1CA 67CB AA92).
To verify the authenticity of one of these files, run the following commands:

curl -fsSLO https://opam.ocaml.org/opam-dev-pubkey.pgp
gpg --import opam-dev-pubkey.pgp
gpg --verify *.sig

Please see our blog post for more details and the upgrade instructions.

Changelog:

Changes

Install

• Fix a performance regression where opam project trees were scanned for nothing, when pinning them [#7101 @kit-ty-kate - fix #7098]

Release script and documentation

• Harden against known sshpass instability [#7096 @kit-ty-kate]
• Make the Windows binary reproducible [#7097 @kit-ty-kate - fix #6752]
• Add a reproducibility check step to our release checklist [#7097 @kit-ty-kate]
• Document and define reproducibility of release binaries and tarballs [#7097 #7115 @kit-ty-kate]

Internal

• Improve and extend the testsuite [#7101 @kit-ty-kate]

API updates

opam-core:

• OpamSystem.{rec_,}{files,dirs}: add some log in debug mode [#7101 @kit-ty-kate]