The Codex Changelog

Jellypod AI

The Codex Changelog is an unofficial podcast discussing the fast-moving world of OpenAI's Codex. As new features ship and workflows change almost overnight, this show keeps track of everything new being added to Codex and how to best take advantage of the new features.

Codex Changelog for builders, developers, product people, and anyone trying to stay current while AI keeps accelerating.

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89 episodes
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Avg 6 min
English

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#131
Today · 7 min
Codex Prompt Cache Keys for Parallel Subagents
Codex’s new PromptCacheKey policy lets hosts keep session identity separate from prompt-cache routing. Learn how to choose a shared key for parallel subagents, omit the field for compatible gateways, and reapply the policy when resuming threads—plus cavea
- Transcript
#130
Yesterday · 6 min
Codex Flags Daemon Mismatches Before You Start
Codex 0.164.0 alpha adds a startup check for feature-flag mismatches between the CLI and its background daemon, replacing a silent fallback to embedded mode with a recovery prompt. Learn how to configure feature overrides and reconnect safely, including t
- Transcript
#129
Monday · 6 min
Track Codex Retries and Token Usage with Model Request Hooks
Codex’s new PreModelRequest and PostModelRequest hooks expose model-call lifecycle data, including retries, status, and reported token usage. Learn how to register an async logging hook, account for cancelled turns, and check build availability, plus smal
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#128
Sunday · 5 min
Codex Startup Hang: Check Provider Auth CWD
An open bug report for Codex 0.163.0 describes sessions stuck on “Waiting for startup” when an unused provider’s command-based auth table omits cwd and the daemon’s startup directory has been deleted. Learn how to spot the risky config, choose a durable e
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#127
Saturday · 2 min
Codex CLI Presets: Save Prompts, Snapshot Settings
Codex CLI 0.164.0 alpha adds ten TUI prompt presets, opened with /presets or the default leader shortcut Ctrl+X, then p. Learn how to create, edit, and use presets—including session-setting snapshots—and how byte limits and shell-prefix validation affect
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#126
Friday · 6 min
Codex 0.163.0: Configure Settings Without Guesswork
Codex 0.163.0 adds an interactive /config preferences manager for searching and changing supported settings, with indicators showing when a restart is required. Learn a safe workflow using /daemon to restart the managed server, plus what to verify with ac
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#125
Thursday · 8 min
Codex Gives Your Terminal Agent Status Signals
Codex’s 0.163.0 prerelease adds Program Status Protocol signals so terminals can distinguish working, done, error, and the kinds of prompts that block an agent—without scraping screens or watching window titles. We explain how the signals latch until you
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#124
October 14 · 7 min
Fixing Codex Compaction Crashes on Custom Gateways
Discover how the new capabilities block in Codex CLI 0.162.0 fixes context compaction crashes when using custom gateways like LiteLLM and Ollama. Plus, learn about key daemon fixes in version 0.162.1 and the retirement of GPT-5.5.
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#123
October 13 · 6 min
Speeding Up Codex: Composer Predictions and Mid-Run Steering
Discover how OpenAI's new Composer predictions and faster steering settings in the Codex desktop app speed up your agent workflows. Learn about eligibility requirements, safety guardrails, and key CLI quality-of-life updates.
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#122
October 12 · 7 min
Codex MXC Sandbox: Network Realities and Silent Fallbacks
A deep dive into Codex 0.162.1 reveals why choosing the new MXC backend doesn't automatically secure your network, alongside the security risks of loopback access in managed environments. Plus, learn about key quality-of-life updates, including instant in
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#121
October 11 · 7 min
Why Codex Windows Sandboxes Break (and How to Fix Them)
Discover why OpenAI Codex sandboxed commands fail on Windows with os error 32 sharing violations and why the fix missed the 0.162 stable line. Learn how to verify your build via logs and explore practical workarounds ranging from Full Access to prerelease
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#120
October 10 · 6 min
GPT 6.1 Sol Ultrafast Tier and Codex CLI 0.162.1
Discover how the new Ultrafast service tier for GPT 6.1 Sol accelerates multi-turn agent workflows in Codex, along with its steep pricing and tier requirements. We also unpack critical bug fixes in the Codex CLI 0.162.1 patch, from daemon crashes to termi
- Transcript
#119
October 9 · 7 min
Fixing Linux Sandbox Leaks in Codex CLI 0.162.0
A deep dive into Codex CLI 0.162.0 and the crucial security fixes addressing Linux sandbox vulnerabilities involving ripgrep configs and bubblewrap path probing. We also cover quality-of-life updates including clickable URLs, task pinning, and Windows-spe
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#118
October 8 · 3 min
Codex CLI 0.161.0: In-Session MCP Login and Enterprise Auth
Discover the latest updates in Codex CLI 0.161.0, highlighting the new /mcp login command, enterprise authentication hardening, and credential storage in system keyrings. We also review background task permission handling, the opt-in Daybreak feature, and
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#117
October 7 · 7 min
Cross-Host Guardian Context and Rollout Reconstruction
Learn how pull request 51734 solves cross-host security context for Guardian reviews by reconstructing unresumed sender history directly from storage. We also cover strict security boundaries around untrusted assistant messages and new thread listing excl
- Transcript
#116
October 6 · 7 min
Codex Security 0.2.0: Saved Threat Models and CI Warnings
Explore the major breaking changes in Codex Security 0.2.0, including persistent threat model exports and crucial adjustments to CI credential masking. We also break down expanded language coverage, SDK updates, and environment variable fixes in Codex CLI
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#115
October 5 · 7 min
Strict Guardian Breaks: Detect TooManyDenials in Codex
Learn how the new auto_review.circuit_break_action setting adds a structured tooManyDenials signal when Guardian trips a denial limit, so orchestration code can distinguish policy lockouts from ordinary interruptions. We also cover how to wire the check i
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#114
October 4 · 7 min
Local Codex Finally Stops Disabling Reasoning Summaries
We unpack a fix that stops the local Codex TUI from silently overriding reasoning summary defaults, so model and server settings now take effect as intended. Plus: Windows Terminal key handling, provider capability cleanup, macOS code-signing support, and
- Transcript
#113
October 3 · 6 min
Codex Gets Native Worktree Tools
This episode breaks down Codex’s new MCP worktree tools—how create_worktree, get_worktree_creation_status, and list_worktrees let the agent isolate tasks without touching your active branch, plus the trust and persistence rules that govern them. It also c
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#112
October 2 · 6 min
Codex CLI 0.160.0: Projectless Sessions and Saved Permissions
Codex CLI 0.160.0 adds support for starting sessions outside a project with workspace defaults, plus restored permissions when resuming interrupted sessions. We also cover the practical workflow for scratch directories, policy caveats, and a handful of sm
- Transcript

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