Radar brief — 2026-08-20

What the evidence shows

Versioned GitHub releases dominate this window (Codex, Claude Code, Goose, Cline, Gemini CLI, Antigravity). HTML changelog (Windsurf) and monorepo sync commits (Grok Build) are noisier.

Theme read: model / agent / cli / mcp / security stack together—cost surfaces, approval defaults, plugin/skill portability, and remote MCP auth are the recurring product moves.

For developers

• Codex (0.146.1 → 0.148.0): Upgrade if you live in the TUI. Practice /export, session fork/resume, and /status cost lines before relying on them in long threads. Try Agent Plugins from local/workspace catalogs in a scratch repo. Only enable --approve-for-me where you already accept auto-review risk; cyber-model defaults got stricter—re-read permission prompts after upgrade.
• Bedrock users: Codex’s built-in Bedrock Runtime provider is evidence-backed—wire AWS profile/region in a non-prod workspace first.
• Claude Code: Set CLAUDE_CODE_PROJECT_DIR_NAME only if your host isolates per-session config dirs; bind selection:clear if you multi-select in the agents view; GitLab MR badge needs glab auth.
• Goose: Use per-message cost/TTFT stats to catch runaway loops; streaming shell helps debug long commands without waiting for full completion.
• Cline: v4.1.7 “View Changes” + SDK queue durability are the practical wins for reviewable local tasks; use pre-registered OAuth when dynamic MCP registration is blocked. Treat desktop /handoff as beta.
• Gemini CLI: Prefer v0.55.1 stable for the path-blocklist/HITL security fixes; keep v0.56/v0.57 previews in throwaway environments.
• OpenCode: If you front models through Cloudflare AI Gateway or ChatGPT workspaces, v1.18.19’s passthrough and pricing-resilience fixes are directly relevant.
• Zed: Flip git.diff_base deliberately—merge-base vs HEAD changes what “dirty” means in the gutter.

For teams

• Approval & security policy: Codex’s safer cyber-model auto-review defaults and --approve-for-me need an explicit team stance (who may enable, on which repos). Gemini’s sensitive-path blocklist + HITL is a control to require on shared images.
• MCP estate: Cline’s pre-registered OAuth clients and Windsurf’s fixes for self-hosted GitLab/older Atlassian MCP are signals to inventory remote MCP auth modes (DCR vs pre-registered) before rolling agents org-wide.
• Cost governance: Goose per-message usage and Codex thread credit/cost in status lines support chargeback/guardrail experiments—standardize where cost is displayed (status line vs post-hoc logs).
• Skill/plugin supply chain: Codex portable plugins + Cursor/Claude skill import/sync reduce copy-paste drift but create a shared catalog problem—decide allowed catalogs (local vs remote) and review ownership.
• Session continuity: Cline SDK abort/queue durability and Codex fork/archive/restore change how you design “interruptible” agent runs in CI or shared workstations.
• Cloud handoff: Cline desktop cloud handoff is beta and assumes pushed git state—block on mainline until preflight + data-handling review.
• Open proposals (P5) exist for older Codex/Cline/OpenCode/Goose/Zed/Grok pins—triage against this window’s newer tags before investing in stale improve-with threads.

What to ignore

• Gemini v0.56.0-preview.1 / v0.57.0-preview.0: useful for trend-watching (caretaker/evals, capacity retry), not fleet defaults.
• Cline desktop-v0.0.15-beta.1: cloud handoff is explicitly beta/feature-flagged.
• xAI Grok be71313: monorepo sync commit—directionally interesting, weak pin for runbooks.
• Windsurf HTML changelog: real MCP auth notes, but lower trust mix than GitHub-tagged releases; verify in-product before policy changes.
• Bulk “+N more changes” tails without named user impact—don’t plan migrations from count inflation.
• Stale open proposals aimed at older versions (e.g. Codex 0.144/0.145, Cline 4.0.7, Goose 1.44.0) when newer evidence already superseded them.

Watch next

• Whether Codex Agent Plugins and skill import paths stabilize (breaking tags already present on 0.147/0.148).
• Adoption friction on Codex cyber-model approval defaults and Bedrock routing in real orgs.
• Cline cloud handoff leaving beta and how checkpoint “View Changes” behaves across hosts.
• Goose unrolled loop + cache semantics—latency/cost accuracy under long tool chains.
• Gemini CLI promoting capacity-error TTL / multi-turn rollback from preview to stable.
• More remote MCP OAuth (pre-registered clients) landing outside Cline.
• Zed git.diff_base default expectations in team editor standards.

How to use DevAgentRadar

• Treat this as an evidence digest, not a vendor ranking—every claim above maps to a cited version in the window.
• Developers: pick one assistant you already run; apply only its concrete actions; verify on a scratch branch.
• Teams: convert security/MCP/cost items into policy checks; prefer GitHub-tagged releases over HTML/commit noise.
• Re-check open proposals against the newest tags before assigning work.
• Ignore marketing language; if a signal isn’t in the table, it isn’t in today’s brief.

Evidence appendix

• Evidence window: top curated signals (versioned releases preferred)
• Assistants tracked: 22
• Signals in this brief: 16
• Trusted source mix (GitHub/changelog vs HTML): 55%
• Open improvement proposals: 8
• Sources reporting errors: 0

High-signal releases used

• OpenAI Codex CLI rust-v0.148.0: Export complete TUI conversations to Markdown with /export, either to the clipboard or a new file. (#37358) · Fork sessions with codex exec fork, and archiv — source

• Claude Code v2.1.234: Added the optional CLAUDE_CODE_PROJECT_DIR_NAME environment variable: hosts that give each session its own config directory can choose a short name for the pe — source

• OpenAI Codex CLI rust-v0.147.0: Install portable Agent Plugins and search across local, personal, workspace, and remote plugin catalogs. (#36544, #36409, #36919, #36796) · Organize conversatio — source

• Zed AI v1.15.0: This week's release includes a new git.diff_base setting for choosing whether editor gutters, file-status colors, and git: diff show uncommitted changes aga — source

• Goose v1.46.0: Unrolled agent loop #9574 · Cache-safe request assembly with append-only turn context and declared cache semant — source

• Cline desktop-v0.0.15-beta.1 — beta.1: Beta: hand off a local session to Cline Cloud with /handoff — the conversation, attached images, and an optional follow-up command move to a cloud workspace t — source

• Gemini CLI v0.55.1: fix/verify release npm ci ignore scripts · fix(ci): prevent workspace binary shadowing in release verification · Feat/tool registry discovery · fix(ci): prevent — source

• Google Antigravity 1.1.12: Added a heading outline to the artifact viewer, opened with t, so a long markdown document's structure is visible at a glance and you can jump straight to a s — source

• Cline v4.1.7: Restore the "View Changes" button on completion rows, backed by SDK checkpoints, so you can review everything a task touched from the completion card. · Bring b — source

• Cline sdk/sdk/v0.0.72 — SDK v0.0.72: Prompts queued during a turn now survive being interrupted: they are preserved across user-initiated aborts, drained after a turn aborts itself, and edits made — source

• OpenCode v1.18.19: Added native OpenAI and Anthropic passthroughs for Cloudflare AI Gateway models. · Matched Codex rate limits more closely to ChatGPT subscription limits. (@Game — source

• Gemini CLI v0.56.0-preview.1: Changelog for v0.55.0-preview.1 · chore(release): bump version to 0.56.0-nightly.20260806.g761f604c1 · Changelog for v0.54.0 · Reclassifying Capacity Exhaustion — source

• Gemini CLI v0.57.0-preview.0: fix(core): dynamically resolve Cloud Workstations proxy redirect URI for OAuth flows · fix(core): resolve swallowed directory mismatch in IDE connections · Feat — source

• OpenAI Codex CLI rust-v0.146.1: Apply safer automatic-review defaults for cyber-capable models and explain permission changes in the terminal interface. (#37057) · #37057 [0.146] Backport safe — source

Open proposals

• Improve with OpenAI Codex CLI rust-v0.145.0: rust-v0.145.0 0.145.0 (audience: team, P5)

• Improve with Cline v4.0.7: v4.0.7 (audience: team, P5)

• Improve with xAI Grok CLI (Grok Build) 8adf901: Synced from monorepo (audience: team, P5)

• Improve with OpenCode pr-38252-videos: pr-38252-videos PR #38252 verification videos (audience: everyone, P5)

• Improve with OpenAI Codex CLI rust-v0.144.6: rust-v0.144.6 0.144.6 (audience: developer, P5)

• Review breaking changes in Zed AI v1.13.0-pre (audience: team, P5)

• Improve with OpenCode v1.18.5: v1.18.5 (audience: team, P5)

• Improve with Goose v1.44.0: v1.44.0 (audience: team, P5)