“Error: comparison of PkgVersion with String failed” when running brew upgrade

[nwhetsell]

brew doctor output

Your system is ready to brew.

Verification

• My "brew doctor output" above says Your system is ready to brew. and am still able to reproduce my issue.
• I ran brew update twice and am still able to reproduce my issue.
• This issue's title and/or description do not reference a single formula e.g. brew install wget. If they do, open an issue at https://github.com/Homebrew/homebrew-core/issues/new/choose instead.

brew config output

HOMEBREW_VERSION: 4.3.15-46-gaafa81b
ORIGIN: https://github.com/Homebrew/brew
HEAD: aafa81b3d9612613118654c8f66b9e6d34c65b11
Last commit: 5 minutes ago
Core tap HEAD: cff82b5ff3090c95cdffff170665b80ca395f278
Core tap last commit: 4 minutes ago
Core tap JSON: 12 Aug 19:33 UTC
Core cask tap HEAD: 1afd27094177e8f7925b9ca71a8d31595eb589c0
Core cask tap last commit: 39 minutes ago
Core cask tap JSON: 12 Aug 19:33 UTC
HOMEBREW_PREFIX: /opt/homebrew
HOMEBREW_CASK_OPTS: []
HOMEBREW_MAKE_JOBS: 12
HOMEBREW_SORBET_RUNTIME: set
Homebrew Ruby: 3.3.4 => /opt/homebrew/Library/Homebrew/vendor/portable-ruby/3.3.4_1/bin/ruby
CPU: dodeca-core 64-bit arm_blizzard_avalanche
Clang: 15.0.0 build 1500
Git: 2.39.3 => /Library/Developer/CommandLineTools/usr/bin/git
Curl: 8.7.1 => /usr/bin/curl
macOS: 13.6.9-arm64
CLT: 15.1.0.0.1.1700200546
Xcode: 15.2
Rosetta 2: false

What were you trying to do (and why)?

Run brew upgrade, to upgrade formulae.

What happened (include all command output)?

Running brew upgrade results in:

Error: comparison of PkgVersion with String failed
Warning: Removed Sorbet lines from backtrace!
Rerun with `--verbose` to see the original backtrace
/opt/homebrew/Library/Homebrew/attestation.rb:66:in `<'
/opt/homebrew/Library/Homebrew/attestation.rb:66:in `enabled?'
/opt/homebrew/Library/Homebrew/cmd/upgrade.rb:137:in `run'
/opt/homebrew/Library/Homebrew/brew.rb:94:in `<main>'
Please report this issue:
  https://docs.brew.sh/Troubleshooting

Here’s the output of brew upgrade --verbose:

Error: comparison of PkgVersion with String failed
/opt/homebrew/Library/Homebrew/attestation.rb:66:in `<'
/opt/homebrew/Library/Homebrew/attestation.rb:66:in `enabled?'
/opt/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11518/lib/types/private/methods/call_validation.rb:270:in `bind_call'
/opt/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11518/lib/types/private/methods/call_validation.rb:270:in `validate_call'
/opt/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11518/lib/types/private/methods/_methods.rb:277:in `block in _on_method_added'
/opt/homebrew/Library/Homebrew/cmd/upgrade.rb:137:in `run'
/opt/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11518/lib/types/private/methods/call_validation.rb:270:in `bind_call'
/opt/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11518/lib/types/private/methods/call_validation.rb:270:in `validate_call'
/opt/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11518/lib/types/private/methods/_methods.rb:277:in `block in _on_method_added'
/opt/homebrew/Library/Homebrew/brew.rb:94:in `<main>'
Please report this issue:
  https://docs.brew.sh/Troubleshooting

What did you expect to happen?

brew upgrade to run to completion, without producing an error.

Step-by-step reproduction instructions (by running brew commands)

brew upgrade

[ProfFan]

Can confirm same issue, M1 14.6.1

[pheiduck]

Confirm on macOS: 14.6.1-x86_64

[woodruffw]

Thanks all; #18030 will fix this.