What changed about GitHub App installation tokens?
GitHub completed the rollout of a stateless format for newly minted installation tokens. They still begin with ghs_ but are now about 520 characters instead of 40; their permissions, repository scope, one-hour expiry and token-creation endpoint remain unchanged.
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GitHub App Installation Tokens Grew to 520 Characters. Audit Every HandoffGitHub's stateless App token rollout is complete. Find fixed-length assumptions in databases, proxies, logs and middleware before the Nov 30 test-header cutoff.
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