Will every GitHub App integration break?
No. Integrations that treat tokens as opaque strings and pass them through ordinary authorization headers may need no change. Fixed-length validation, short database columns, header limits and legacy-only redaction patterns are likely failure points.
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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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