What's Changed

• Partial revert of #12369 for celery visibility timeout by @agjohnson in #12442
• Git services: check for 403 status code by @stsewd in #12444
• Fix AWS ACLs by @ericholscher in #12441
• GitHub App: check if installation exists for target account by @stsewd in #12449
• Clean up whitespace in build-customization.rst by @henrykironde in #12455

New Contributors

• @henrykironde made their first contribution in #12455

Full Changelog: 15.2.0...15.2.1