Radar brief — 2026-08-19

What the evidence shows

Versioned GitHub-style releases dominated (Codex, Claude Code, Goose, Gemini CLI, Cline, OpenCode). One HTML changelog (Windsurf) and a monorepo sync commit (Grok Build) are noisier.

Themes in evidence: model / cli / agent / mcp / security lead; several breaking tags without explicit migration notes in summaries.

For developers

• Codex CLI: Upgrade through rust-v0.146.1 → 0.147.0 → 0.148.0 if you use approvals or cyber-capable models—defaults tightened before plugin/--approve-for-me and export/fork landed. Try /export and cost in /status on a non-prod workspace; test Bedrock routing only if you already use AWS profiles.
• Goose v1.46.0: Use per-message cost/TTFT stats to catch runaway loops; streaming shell helps long builds—verify cache-safe request assembly against any custom providers.
• Gemini CLI v0.55.1: Pull stable for the sensitive-path blocklist and path-resolution fixes; treat v0.56/v0.57 previews as eval-only (caretaker/triage and retry behavior still moving).
• Cline: v4.1.7 + SDK v0.0.72 together—checkpoint “View Changes,” abort-safe queues, and remote MCP OAuth matter if you interrupt turns or run private MCP. Desktop v0.0.13 if you need in-task web search or Pass thinking budgets.
• OpenCode v1.18.17: Worth it for compaction quality on smaller models and retry storm caps; confirm PDF/Copilot and DeepSeek/Muse routing if those are in your stack.
• Zed AI v1.15.0: Set git.diff_base explicitly so gutter/diff match your branch workflow; JSX linked editing is a local productivity win.
• Claude Code v2.1.234: Set CLAUDE_CODE_PROJECT_DIR_NAME only on hosts that isolate config per session; bind selection:clear if you multi-select in the TUI/agents view.
• Antigravity 1.1.12: Use outline key t when reviewing long agent markdown artifacts.
• Grok Build be71313: Commit sync, not a semver release—smoke presence, worktree, and image-error paths before relying on it.

For teams

• Approvals & sandbox policy: Codex’s --approve-for-me plus 0.146.1 cyber-model review defaults need a written team policy before wide rollout; pair with existing sandbox flags already tagged in-tree.
• MCP estate: Prioritize Cline pre-registered OAuth and Windsurf’s GitLab/Atlassian auth fixes for self-hosted MCP; re-auth shared servers after upgrade.
• Cost governance: Goose per-message/session totals and Codex thread credits in status/title are the concrete levers—standardize where cost appears in developer UX.
• Session durability: Cline SDK abort/queue semantics and Codex fork/archive/resume change how you train people to recover work—document “interrupt → resume” vs “fork.”
• Plugin/skill supply chain: Codex portable Agent Plugins + Cursor/Claude skill import: decide allowed catalogs (local/personal/workspace/remote) and review before org-wide enable.
• Hosted/IDE fleets: Claude CLAUDE_CODE_PROJECT_DIR_NAME and Gemini IDE connection/OAuth proxy fixes matter for ephemeral cloud workstations; pin Gemini stable until preview retry/rollback settles.
• Open proposals (P5): Older improve/review items remain open for Codex 0.144.6/0.145.0, Cline 4.0.7, Goose 1.44.0, OpenCode 1.18.5, Zed 1.13.0-pre breaking review, Grok 8adf901—triage against this week’s newer tags before scheduling.

What to ignore

• Gemini CLI preview nightlies and caretaker/Firestore triage featurettes unless you are on the eval program—high churn, prerelease tags.
• Grok “Synced from monorepo” (be71313) as a version pin; use only as a signal that presence/worktree work is landing.
• Windsurf HTML changelog marketing framing; keep the MCP auth + sidebar perf notes, discount unversioned surrounding copy.
• “+N more changes” tails without named behaviors—don’t plan migrations from counts.
• Open proposals still aimed at older patches when a newer evidence row already supersedes the same assistant (e.g., Codex 0.148.x vs open 0.144/0.145 improve threads).

Watch next

• Whether Codex Agent Plugins remote catalogs and Bedrock routing pick up security/permission follow-ups after the cyber-model auto-review backport.
• Gemini stable absorbing preview retry/abort and capacity-error behavior without regressing path blocklists.
• Cline SDK ↔ desktop/extension alignment on checkpoints, web search, and run.failed observability.
• Goose unrolled loop + cache semantics under long MCP/tool sessions (compaction/hooks tags already present).
• Any explicit breaking notes for Zed git diff defaults and Windsurf session sidebar behavior on large shared caches.
• Closure or refresh of the 8 open P5 proposals against the newer versions in this brief.

How to use DevAgentRadar

• Read What the evidence shows first—every row is grounded in the linked tag/commit/changelog only.
• Developers apply local upgrade and flag checks; teams set approval, MCP auth, and cost-policy defaults before mandating versions.
• Prefer GitHub/release pins over HTML changelogs and monorepo sync commits when locking CI.
• Skip What to ignore; queue Watch next for the next evidence window rather than speculative roadmaps.
• Use open proposals as backlog hints, not as releases—re-validate against the newest versioned signal before acting.

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

• 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

• Cline desktop-v0.0.13: Added an app font size setting. · A slider in Settings scales the interface, and your size is applied before the window paints, so launching no longer flashes a — 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

• xAI Grok CLI (Grok Build) be71313 — Synced from monorepo: Synced from monorepo · Presence protocol end-to-end: live presence updates through the gateway to client presence tiers · Worktree: narrow standalone origin fet — 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)