The official source reports this update: v4.55.0. 4.55.0 (2026-08-31) Features api: add compute_units to Responses and Chat Completions usage ( #944 ) ( 3e45ffb ) auth: add X.509 token exchange ( #940 ) ( df0c88d ) integrate X.509 workload identity with OkHttp clients ( #948 ) ( 9684d52 ) Bug Fixes auth: bind X.509 bearer attachment to its mTLS transport ( #949 ) ( 5f3ab4a ) bind X.509 transport clients to trusted origins ( #946 ) ( bccb100 ) ci: preserve release source in Maven provenance ( #951 ) ( 0382c7c ), closes #950 ci: reduce Maven publish runner pressure ( #953 ) ( 02b2d0d ) fail closed when protected X.509 verification cannot run ( #945 ) ( 24089bd )
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Version 4.55.0 adds compute units to API responses.
v4.55.0 adds compute units to API responses and supports X.509 token exchange.
31 Aug 20261 verified claims1 sources1 observations
This official update documents a development concerning v4.55.0. Its practical significance depends on the scope and evidence stated by the source.
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