GPT-5.6 Rollout in Codex Triggers Tool-Call, Workspace, and Access Bugs

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The deployment of the GPT-5.6 model family within Codex has generated multiple bug reports centered on its tool-calling infrastructure. One high-priority issue involves a namespace collision on gpt-5.6-sol, where a tool call duplicates an existing one and surfaces as an unsupported command, stalling agent tasks. A separate bug on Codex Desktop for Windows causes new sessions to launch without workspace file and shell tools attached, leaving the agent unable to act until they are reconnected. A third report highlights an entitlement gap, where some users on personal cloud workstations cannot access GPT-5.6 despite it being publicly announced. The pattern suggests the new model is being shipped faster than the surrounding tool-wiring and account-access systems can reliably support it.

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