Agent Breaking Changes_

← Qwen Code

Qwen Code Release v0.25.1-preview.2

modelpre

2026-10-10 · official notes

Summary

Full notes

<!-- Release notes generated using configuration in .github/release.yml at release/v0.25.1-preview.2 -->

## What's Changed
* fix(agents): replace selected remote Hosts without losing bindings by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13430
* test(core): close #12693 post-merge review test and hygiene gaps by @wenshao in https://github.com/QwenLM/qwen-code/pull/13341
* test(integration): make the /hooks dialog E2E witness the rendered dialog (#13425) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13427
* fix(ci): wait 60s before the E2E build artifact download retry (#13284) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13292
* fix(ci): fail yamllint and shellcheck lanes loudly on an empty git file list by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/12650
* fix(managed-agent): serve SSE subscribers from a Condition instead of pinning carriers (#13388 follow-up) by @wenshao in https://github.com/QwenLM/qwen-code/pull/13402
* test(cli): give the hosted tool-turn requested() waitFor an explicit timeout (#13397) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13399
* fix(managed-agent): single-flight Hosted Harness attachment creation off the CHM bin monitor by @wenshao in https://github.com/QwenLM/qwen-code/pull/13403
* perf(core): load extension directories in bounded batches by @callmeYe in https://github.com/QwenLM/qwen-code/pull/13379
* fix(cli): keep /context detail MCP rows within the MCP tools row by @Shizoqua in https://github.com/QwenLM/qwen-code/pull/13390
* test(integration): make the utf-bom defaultFileEncoding test deterministic by @Bug-killer-prog in https://github.com/QwenLM/qwen-code/pull/13196
* feat(mobile): restore scoped connections after Activity recreation by @jabrailkhalil in https://github.com/QwenLM/qwen-code/pull/12247
* feat(mobile): improve profile screen accessibility (Phase 2) by @jabrailkhalil in https://github.com/QwenLM/qwen-code/pull/12129
* fix(memory): preserve complete index entries in prompts by @beibeihk in https://github.com/QwenLM/qwen-code/pull/13315
* fix(cli): make vim-mode clipboard paste work on Windows by @Bug-killer-prog in https://github.com/QwenLM/qwen-code/pull/13198
* fix(core): stop memory discovery at Git root by @agammann in https://github.com/QwenLM/qwen-code/pull/13381
* feat(runtime): add experimental Kubernetes CSI runtime and durable worker ACK by @doudouOUC in https://github.com/QwenLM/qwen-code/pull/13289
* feat(managed-agent): H3 background Shell and Monitor runtime by @wenshao in https://github.com/QwenLM/qwen-code/pull/13265
* feat(web-shell): support side tasks in secondary workspaces by @wenshao in https://github.com/QwenLM/qwen-code/pull/13468
* feat(core): defer agent and goal declarations by default by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13033
* fix(core): pin GIT_TERMINAL_PROMPT in the extension git client by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13454
* fix(cli): preserve permissions when replacing settings by @doudouOUC in https://github.com/QwenLM/qwen-code/pull/13293
* feat(managed-agent): Make local Runtime tool outcomes durable (M5b) by @wenshao in https://github.com/QwenLM/qwen-code/pull/13291
* feat(managed-agent): read bounded approval input previews by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13400
* fix(channel-weixin): send iLink headers when minting the login QR code by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13482
* fix(core): recognize llama.cpp context-overflow wording so compaction runs by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13421
* feat(managed-agent): let creators change a bound Session's directory (W2) by @wenshao in https://github.com/QwenLM/qwen-code/pull/13247
* fix(core): recover function-style XML tool calls by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13437
* fix(core): honor memory.agentMaxTurns in the user-scoped memory dream by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13462
* fix(core): stop MCP server rules from authorizing a colliding server by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/12531
* docs(managed-agent): Stage H4/H5/H6 slice designs by @wenshao in https://github.com/QwenLM/qwen-code/pull/13499
* feat(managed-agent): admit glob in new hosted-workspace /2 profiles by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13166
* fix(web-shell): managed session UI correctness from the #12692 R2 review by @wenshao in https://github.com/QwenLM/qwen-code/pull/13342
* feat(managed-agent): Stage H5 channel contracts and persistence by @wenshao in https://github.com/QwenLM/qwen-code/pull/13497
* docs(managed-agent): cross-node EventTransport design by @wenshao in https://github.com/QwenLM/qwen-code/pull/13500
* fix(ci): rerun infrastructure-only main CI failures instead of filing (#13510) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13512
* fix(core): keep nested tool_call arguments open on Responses; name the target in bridged validation errors by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/12901
* docs(managed-agent): repair the R2 review's doc findings on #12692 by @wenshao in https://github.com/QwenLM/qwen-code/pull/13343
* fix(cli): never honor memory agent budgets from workspace scope by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13508
* fix(core): keep an XML tool call quoted in a parameter value inert by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13515
* fix(ci): raise the Hosted verify step ceiling above its failsafe fork timeout (#13503) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13504
* fix(ci): sweep stale pool residue before sdk-java checkouts by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13507
* fix(managed-agent): check the replay before publishing a domain record by @wenshao in https://github.com/QwenLM/qwen-code/pull/13376
* feat(web-shell): take back a cancelled prompt that produced nothing by @wenshao in https://github.com/QwenLM/qwen-code/pull/13488
* test(managed-agent): pin untested contracts from the #12692 R2 review by @wenshao in https://github.com/QwenLM/qwen-code/pull/13348
* fix(core): key the models.dev catalog under dotted as well as dashed ids by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13299
* fix(mobile): resolve document providers once per selection by @jabrailkhalil in https://github.com/QwenLM/qwen-code/pull/13147
* fix(managed-agent): close the three Critical H0c follow-ups from #13300 by @wenshao in https://github.com/QwenLM/qwen-code/pull/13355
* feat(hosted): show captured inputs in native approval cards by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13407
* test(integration): let the headless workflow-skill E2E inherit the suite timeout (#13518) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13520
* fix(core): stop advertising unsupported LSP dynamic registration by @shenyankm in https://github.com/QwenLM/qwen-code/pull/13494
* fix(core): stop JSONL prefix reads when their budget is met by @GoldArowana in https://github.com/QwenLM/qwen-code/pull/13486
* test(managed-agent): commit authority-valid deltas in the restore byte-budget test by @wenshao in https://github.com/QwenLM/qwen-code/pull/13551
* feat(managed-agent): EventTransport message-envelope contract by @wenshao in https://github.com/QwenLM/qwen-code/pull/13498
* feat(managed-agent): adopt the next Hosted Harness generation (G3) by @wenshao in https://github.com/QwenLM/qwen-code/pull/13174
* fix(web-shell): escape control characters in the managed approval args preview by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13549
* test(core): pin the limit-less alias shape the models.dev projection ships by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13539
* fix(core): budget side-query output tokens against the resolved context window by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13244
* feat(managed-agent): enumerate the public and WebShell surface with an admission gate by @wenshao in https://github.com/QwenLM/qwen-code/pull/13543
* fix(agent): enforce per-model concurrency cap on foreground sub-agents by @Andrea-Bruno in https://github.com/QwenLM/qwen-code/pull/12461
* docs(serve): fix stale permission-route note and document pending-prompt events by @LUOSENGWA in https://github.com/QwenLM/qwen-code/pull/13281
* test(integration): require a successful monitor tool call by @GoldArowana in https://github.com/QwenLM/qwen-code/pull/13452
* docs(managed-agent): add the delivery ledger for #12380 by @wenshao in https://github.com/QwenLM/qwen-code/pull/13565
* fix(runtime-broker): keep the HTTP exchange cancel off the deadline completion path by @wenshao in https://github.com/QwenLM/qwen-code/pull/13562
* fix(ci): skip millisecond latency budgets on the release ECS pool (#13541) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13547
* docs(troubleshooting): add a "connection resets on some networks" entry (TLS-stack-selective middleboxes) by @LUOSENGWA in https://github.com/QwenLM/qwen-code/pull/13235
* feat(managed-agent): H4a child agent and child acceptance record contract by @wenshao in https://github.com/QwenLM/qwen-code/pull/13505
* feat(managed-agent): give Hosted turns the Workspace's project context by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13168
* feat(managed-agent): H6a schedule and automation run record contract by @wenshao in https://github.com/QwenLM/qwen-code/pull/13536
* feat(managed-agent): H5a channel route and delivery record contract by @wenshao in https://github.com/QwenLM/qwen-code/pull/13548
* fix(docs): apply Prettier formatting to the daemon event schema (#13573) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13580
* docs(managed-agent): bring the delivery ledger up to main d0ddd020c8 by @wenshao in https://github.com/QwenLM/qwen-code/pull/13593
* docs(serve): fix Prettier formatting in the daemon event schema (#13585) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13587
* feat(web-shell): Add fullscreen viewing for history tables by @wenshao in https://github.com/QwenLM/qwen-code/pull/13589
* fix(acp): preserve branch checkpoints after Code Mode turns by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13574
* feat(managed-agent): prove Shell process-group stops with a worker ledger (M5c) by @wenshao in https://github.com/QwenLM/qwen-code/pull/13352
* feat(managed-agent): add W1c offline workspace migration by @doudouOUC in https://github.com/QwenLM/qwen-code/pull/13260
* fix(web-shell): allow deleting queued prompts during admission by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13594
* fix(serve): invalidate the Hosted Workspace context on instruction-file changes by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13605
* fix(web-shell): follow an accepted approval answer to its terminal operation by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13609
* fix(managed-agent): commit oversized message records as inline chunks by @wenshao in https://github.com/QwenLM/qwen-code/pull/13375
* test(managed-agent): harden pinning witnesses and add renewal-arm pinning witness (#13388 follow-up) by @wenshao in https://github.com/QwenLM/qwen-code/pull/13401
* test(integration): share the Hosted proxy header filter across all store relays by @wenshao in https://github.com/QwenLM/qwen-code/pull/13431
* fix(ci): classify runner-acquisition failure as infrastructure (#13622) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13626
* docs(managed-agent): link every PR and issue reference in the delivery ledger by @wenshao in https://github.com/QwenLM/qwen-code/pull/13631
* fix(web-shell): sanitise model-supplied text at the approval card's sibling render sites by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13578
* fix(feishu): preserve text and clean up failed inbound file writes by @jabrailkhalil in https://github.com/QwenLM/qwen-code/pull/13337
* feat(agents): session-centric multi-agent collaboration by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13467
* feat(managed-agent): add reliable ACTIVE Workspace deletion (L3) by @doudouOUC in https://github.com/QwenLM/qwen-code/pull/13354
* test: isolate hosted catalog refresh and verify ACP defaults by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13653
* docs(core): point the session-agents contract at its SDK mirror by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13648
* test(desktop): pin both Linux release legs to the ubuntu-22.04 glibc floor by @tonydzi in https://github.com/QwenLM/qwen-code/pull/13616
* test(managed-agent): tolerate scheduling slack in the detach heartbeat window by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13658
* fix(managed-agent): clear successful Workspace migration diagnostics by @doudouOUC in https://github.com/QwenLM/qwen-code/pull/13655
* test(integration): let workflow-completion reply waits inherit the helper default (#13552) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13555
* fix(managed-agent): stop a bound Turn under refused authorization by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13163
* fix(acp): include stored attachment paths in model context by @ytahdn in https://github.com/QwenLM/qwen-code/pull/13668
* fix(core): preserve GLM vision metadata for dashed model IDs by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13651
* refactor(transcript): centralize internal Code Mode result detection by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13577
* feat(hooks): apply PreToolUse updatedInput with full revalidation by @qqqys in https://github.com/QwenLM/qwen-code/pull/13442
* feat(web-shell): add trajectory search and diagnostic filters by @qqqys in https://github.com/QwenLM/qwen-code/pull/13264
* fix(goals): separate aggregate summaries from external facts by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13575
* fix(core): hide the hook child console on Windows by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13670
* feat(web-shell): restore aggregated workspace hosts in sidebar by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13677
* fix(acp-bridge): keep local published file artifacts ephemeral by @zjgzx1988 in https://github.com/QwenLM/qwen-code/pull/12395
* fix(workflow): show results and failures in /workflows run details by @qqqys in https://github.com/QwenLM/qwen-code/pull/13646
* fix(core): gate discovery hints on registered capabilities by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13576
* fix(memory): preserve the prompt prefix when memory indexes change by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13521
* fix(core): surface PreToolUse ask content on MCP tool confirmations (#13687) by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13697
* feat(managed-agent): persist workspace actor roles and session owners by @wenshao in https://github.com/QwenLM/qwen-code/pull/13544
* feat(managed-agent): H4b child Session runtime by @wenshao in https://github.com/QwenLM/qwen-code/pull/13550
* fix(web-shell): preserve artifact cards during reconnect by @ytahdn in https://github.com/QwenLM/qwen-code/pull/13714
* fix(web-shell): allow downloading changed workspace artifacts by @ytahdn in https://github.com/QwenLM/qwen-code/pull/13718
* fix(browser-use): fail fast when no Native Messaging host can be registered by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13699
* feat(web-shell): browse earlier trajectory windows by @qqqys in https://github.com/QwenLM/qwen-code/pull/13716
* feat(agents): remove the thread backend and run A2A on sessions by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13583
* fix(web-shell): Select worktree mode without extra confirmation by @wenshao in https://github.com/QwenLM/qwen-code/pull/13607
* feat(trajectory): preserve model request execution identity by @qqqys in https://github.com/QwenLM/qwen-code/pull/13740
* test(memory): cover request-tail catalog and protocol contracts by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13736
* feat(managed-agent): H5b/H5c channel runtime for the email reference adapter by @wenshao in https://github.com/QwenLM/qwen-code/pull/13572
* fix(web-shell): show workspace artifacts by their filename by @zjgzx1988 in https://github.com/QwenLM/qwen-code/pull/13672
* fix(cli): preserve complete Hosted no-tool model Parts by @doudouOUC in https://github.com/QwenLM/qwen-code/pull/13750
* docs(verify-pr): add local-round publish, follow-up, mutation and rig rules by @wenshao in https://github.com/QwenLM/qwen-code/pull/13756
* feat(managed-agent): add opt-in production replay-floor advancement for Session event retention (#12380) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13621
* feat(managed-agent): H4c workflow child kind and child launch budget by @wenshao in https://github.com/QwenLM/qwen-code/pull/13754
* test(managed-agent): verify Hosted Shell operator recovery on MySQL and MariaDB by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13759
* test(managed-agent): cover AgentDefinition review follow-ups by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13757
* ci(sdk-java): re-check open PRs for Flyway version collisions as main moves by @wenshao in https://github.com/QwenLM/qwen-code/pull/13770
* ci(verify): provision a Java toolchain for sdk-java PRs by @doudouOUC in https://github.com/QwenLM/qwen-code/pull/13763
* fix(ci): raise the O4 gate step ceiling above its failsafe fork timeout (#13684) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13688
* docs(managed-agent): record H3 Linux acceptance blockers and replay inputs by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/13764
* feat(managed-agent): enforce workspace actor roles across the bound-Session surface by @wenshao in https://github.com/QwenLM/qwen-code/pull/13545
* fix(verify-pr): drop the stale "ships no JDK" claim from the Java lane guidance (#13791) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13792
* refactor(managed-agent): classify child Session run kinds by name by @wenshao in https://github.com/QwenLM/qwen-code/pull/13779
* feat(managed-agent): H6b/H6c automation runtime for persistent definitions by @wenshao in https://github.com/QwenLM/qwen-code/pull/13598
* fix(release): reclaim docker disk and gate the data root before the sandbox image build (#13479) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13481
* feat(core): record prompt execution context by @ytahdn in https://github.com/QwenLM/qwen-code/pull/13712
* feat(managed-agent): H4d-a session message record contract and child continuation rules by @wenshao in https://github.com/QwenLM/qwen-code/pull/13786
* test(managed-agent): widen HostedHarnessMySqlIT lifecycle budgets for CI MySQL stalls (#13780) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13783
* test(cli): bind ephemeral loopback port in container-mode tests (#13775) by @qwen-code-dev-bot in https://github.com/QwenLM/qwen-code/pull/13778
* fix(managed-agent): unblock H3 background Shell and Monitor start path by @wenshao in https://github.com/QwenLM/qwen-code/pull/13789
* feat(managed-agent): H4e-a team record contract by @wenshao in https://github.com/QwenLM/qwen-code/pull/13811
* docs(verify-pr): name scenario axes in scope selection and attribute merge-only reds by @wenshao in https://github.com/QwenLM/qwen-code/pull/13813
* feat(managed-agent): child Workspace capability for managed child Sessions (#13753 I1) by @wenshao in https://github.com/QwenLM/qwen-code/pull/13781
* ci(sdk-java): stop the API contract version from regressing or stalling (#13804) by @wenshao in https://github.com/QwenLM/qwen-code/pull/13808
* fix(core): leave unknown ${ident
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