docs(changelog): update for v0.45.0-preview.1

Co-authored-by: gemini-cli-robot <224641728+gemini-cli-robot@users.noreply.github.com>

docs/changelogs/preview.md

@@ -1,6 +1,6 @@
-# Preview release: v0.44.0-preview.0
+# Preview release: v0.45.0-preview.1
 
-Released: May 22, 2026
+Released: May 28, 2026
 
 Our preview release includes the latest, new, and experimental features. This
 release may not be as stable as our [latest weekly release](latest.md).
@@ -13,208 +13,56 @@ npm install -g @google/gemini-cli@preview
 
 ## Highlights
 
-- **Simplified Modes:** Merged existing Auto modes into a single, unified Auto
-  mode for a more streamlined user experience.
-- **Enhanced Agent Registration:** Improved agent registration logic to
-  prioritize project-specific agents using a first-wins strategy.
-- **New Developer Skills:** Introduced `agent-tui` and `tui-tester` skills to
-  empower developers with better terminal UI testing and automation
-  capabilities.
-- **Expanded Editor Support:** Added support for Sublime Text and Emacs Client,
-  providing more flexibility for external editing tasks.
-- **Session Management:** Added new session invocation types
-  (`LocalSessionInvocation`, `RemoteSessionInvocation`) and improved context
-  recovery across sessions.
+- **Context Simplification:** Completed major architectural work to simplify and
+  optimize how the agent manages and processes session context.
+- **A2A Usage Metadata:** The Agent-to-Agent (A2A) interface now exposes
+  detailed usage metadata, providing better visibility into resource
+  consumption.
+- **Improved Routing:** Updated default auto-routing logic and added bypasses
+  for certain routing classifiers to prevent orphaned function response errors.
+- **Terminal Stability:** Fixed several issues affecting terminal environments,
+  including Termux relaunch loops and PTY resize errors.
+- **Security & Fixes:** Strengthened MCP list security and addressed issues with
+  session resumption and PTY environment signals.
 
 ## What's Changed
 
-- chore(release): bump version to 0.44.0-nightly.20260512.g022e8baef by
+- fix(patch): cherry-pick bd53951 to release/v0.45.0-preview.0-pr-27496 to patch
+  version v0.45.0-preview.0 and create version 0.45.0-preview.1 by
   @gemini-cli-robot in
-  [#26957](https://github.com/google-gemini/gemini-cli/pull/26957)
-- Changelog for v0.42.0 by @gemini-cli-robot in
-  [#26958](https://github.com/google-gemini/gemini-cli/pull/26958)
-- Refactor: Eliminate `no-unsafe-return` suppressions via strict type validation
-  by @M-DEV-1 in
-  [#20668](https://github.com/google-gemini/gemini-cli/pull/20668)
-- Changelog for v0.43.0-preview.0 by @gemini-cli-robot in
-  [#26959](https://github.com/google-gemini/gemini-cli/pull/26959)
-- feat(core): change agent registration to first-wins and prioritize project by
-  @adamfweidman in
-  [#26953](https://github.com/google-gemini/gemini-cli/pull/26953)
-- feat(cli): merge Auto modes into a single Auto mode by @DavidAPierce in
-  [#26714](https://github.com/google-gemini/gemini-cli/pull/26714)
-- fix(core): preserve OAuth refresh tokens during rotation and retrieval by
-  @cocosheng-g in
-  [#26924](https://github.com/google-gemini/gemini-cli/pull/26924)
-- fix(cli): allow keychain auth for --list-sessions and non-interactive mode by
-  @cocosheng-g in
-  [#26921](https://github.com/google-gemini/gemini-cli/pull/26921)
-- fix(core): handle EISDIR on virtual drives in memory discovery by @cocosheng-g
-  in [#26985](https://github.com/google-gemini/gemini-cli/pull/26985)
-- fix(cli): auto-approve shell redirections in AUTO_EDIT mode by @cocosheng-g in
-  [#27003](https://github.com/google-gemini/gemini-cli/pull/27003)
-- ci: suppress bot comments during standard triage maintenance by @cocosheng-g
-  in [#27006](https://github.com/google-gemini/gemini-cli/pull/27006)
-- fix(core): refresh MCP OAuth token usage after re-auth by @sahilkirad in
-  [#26312](https://github.com/google-gemini/gemini-cli/pull/26312)
-- fix(ui): clamped table column widths by @devr0306 in
-  [#26991](https://github.com/google-gemini/gemini-cli/pull/26991)
-- fix(core): isolate subagent thread context by @akh64bit in
-  [#26449](https://github.com/google-gemini/gemini-cli/pull/26449)
-- chore: add execution permission to scripts/review.sh by @scidomino in
-  [#27009](https://github.com/google-gemini/gemini-cli/pull/27009)
-- fix(core): made context files append instead of replace by @devr0306 in
-  [#26950](https://github.com/google-gemini/gemini-cli/pull/26950)
-- fix: add system PATH fallback for ripgrep resolution (#26777) by @cocosheng-g
-  in [#26868](https://github.com/google-gemini/gemini-cli/pull/26868)
-- chore: clean up launched memory features by @SandyTao520 in
-  [#26941](https://github.com/google-gemini/gemini-cli/pull/26941)
-- fix(core): throttle shell text output and bound live UI buffer by
-  @emersonbusson in
-  [#26955](https://github.com/google-gemini/gemini-cli/pull/26955)
-- fix(cli): don't crash when an @-mention captures a non-path blob by @ifitisit
-  in [#25980](https://github.com/google-gemini/gemini-cli/pull/25980)
-- fix(core): ensure stable fallback for restricted preview models by @galz10 in
-  [#26999](https://github.com/google-gemini/gemini-cli/pull/26999)
-- feat(core): expose RAG snippets to local log file for debugging by @spencer426
-  in [#27016](https://github.com/google-gemini/gemini-cli/pull/27016)
-- fix(acp/auth): prevent conflicting credentials on enterprise gateways and
-  support optional API keys natively by @sripasg in
-  [#27021](https://github.com/google-gemini/gemini-cli/pull/27021)
-- fix(core): respect NO_PROXY for network-based MCP servers by @cocosheng-g in
-  [#27012](https://github.com/google-gemini/gemini-cli/pull/27012)
-- fix(cli): resolve permission denied in sandbox on NixOS and other distros by
-  @cocosheng-g in
-  [#27004](https://github.com/google-gemini/gemini-cli/pull/27004)
-- fix(ui): preserve new line at the end of edit window by @devr0306 in
-  [#27057](https://github.com/google-gemini/gemini-cli/pull/27057)
-- fix(core): ensure Vertex AI sets hasAccessToPreviewModels and remove
-  aggressive 404 fallback revocation by @galz10 in
-  [#27067](https://github.com/google-gemini/gemini-cli/pull/27067)
-- fix(core): ensure stable admin settings comparison across IPC to prevent
-  restart loop by @DavidAPierce in
-  [#27066](https://github.com/google-gemini/gemini-cli/pull/27066)
-- fix(deps): update vulnerable dependencies by @scidomino in
-  [#27062](https://github.com/google-gemini/gemini-cli/pull/27062)
-- fix(core): resolve EISDIR errors during file processing (#21527) by @ProthamD
-  in [#27041](https://github.com/google-gemini/gemini-cli/pull/27041)
-- docs(extensions): clarify env var sanitization policy for MCP and ext… by
-  @galz10 in [#22854](https://github.com/google-gemini/gemini-cli/pull/22854)
-- fix(ui): add ENAMETOOLONG and ENOTDIR to exceptions for file parsing errors by
-  @devr0306 in [#27069](https://github.com/google-gemini/gemini-cli/pull/27069)
-- fix(cli): explicitly clear entrypoint when spawning sandbox container by
-  @cocosheng-g in
-  [#27059](https://github.com/google-gemini/gemini-cli/pull/27059)
-- docs: update sandbox image command by @sjhddh in
-  [#26774](https://github.com/google-gemini/gemini-cli/pull/26774)
-- fix(core): externalize https-proxy-agent to fix proxy support by @sotokisehiro
-  in [#26361](https://github.com/google-gemini/gemini-cli/pull/26361)
-- security: update dependencies to fix critical and high vulnerabilities by
-  @scidomino in [#27077](https://github.com/google-gemini/gemini-cli/pull/27077)
-- Fix/web fetch ctrl c abort by @ProthamD in
-  [#24320](https://github.com/google-gemini/gemini-cli/pull/24320)
-- fix(core): add aliases and thinking config for gemini-3.1 models by
-  @anishs1207 in
-  [#27007](https://github.com/google-gemini/gemini-cli/pull/27007)
-- fix(core): use hasAccessToPreview for auto model resolution and fix
-  disappearing models by @DavidAPierce in
-  [#27112](https://github.com/google-gemini/gemini-cli/pull/27112)
-- feat(core): add adk.agentSessionSubagentEnabled flag by @adamfweidman in
-  [#26947](https://github.com/google-gemini/gemini-cli/pull/26947)
-- fix(core): enforce compile-time exhaustiveness in content-utils by
-  @adamfweidman in
-  [#27207](https://github.com/google-gemini/gemini-cli/pull/27207)
-- feat(skills): add agent-tui and tui-tester skills by @adamfweidman in
-  [#27121](https://github.com/google-gemini/gemini-cli/pull/27121)
-- fix(context): Fix snapshot recovery across sessions. by @joshualitt in
-  [#26939](https://github.com/google-gemini/gemini-cli/pull/26939)
-- fix(core): add unit tests for stableStringify by @devr0306 in
-  [#27212](https://github.com/google-gemini/gemini-cli/pull/27212)
-- fix(core): prefer pwsh.exe over Windows PowerShell 5.1 (#25859) by @kaluchi in
-  [#25900](https://github.com/google-gemini/gemini-cli/pull/25900)
-- feat(core): add LocalSessionInvocation by @adamfweidman in
-  [#26665](https://github.com/google-gemini/gemini-cli/pull/26665)
-- refactor: decouple auto model description and configuration from
-  releaseChannel by @danielweis in
-  [#27227](https://github.com/google-gemini/gemini-cli/pull/27227)
-- fix(core): prevent isBinary false-positive on Windows PTY streams by
-  @TirthNaik-99 in
-  [#26565](https://github.com/google-gemini/gemini-cli/pull/26565)
-- fix(cli): Prevent unmapped keys in Vim Normal mode from inserting text into
-  prompt Input. by @Rajeshpatel07 in
-  [#25139](https://github.com/google-gemini/gemini-cli/pull/25139)
-- fix(a2a-server): Implement default policy loading for parity with CLI by
-  @kschaab in [#27073](https://github.com/google-gemini/gemini-cli/pull/27073)
-- feat(core): add RemoteSessionInvocation by @adamfweidman in
-  [#26937](https://github.com/google-gemini/gemini-cli/pull/26937)
-- fix: allow configured MCP servers in non-interactive mode by @cocosheng-g in
-  [#27215](https://github.com/google-gemini/gemini-cli/pull/27215)
-- fix(core): add exception handling to migrateFromFileStorage by @devr0306 in
-  [#27229](https://github.com/google-gemini/gemini-cli/pull/27229)
-- fix(cli): bundle ink worker-entry.js by @rmedranollamas in
-  [#27249](https://github.com/google-gemini/gemini-cli/pull/27249)
-- feat(core): wire AgentSession invocations into agent-tool by @adamfweidman in
-  [#26948](https://github.com/google-gemini/gemini-cli/pull/26948)
-- fix(core): prevent path traversal in custome command file injection by
-  @ompatel-aiml in
-  [#27234](https://github.com/google-gemini/gemini-cli/pull/27234)
-- fix(core): respect NO_PROXY in global fetch dispatcher by @cocosheng-g in
-  [#27216](https://github.com/google-gemini/gemini-cli/pull/27216)
-- fix(core): correctly handle nullable array types in MCP tools by @devr0306 in
-  [#27228](https://github.com/google-gemini/gemini-cli/pull/27228)
-- fix(cli): preserve proxy-agent named exports in ESM bundle by @ashishch432 in
-  [#27145](https://github.com/google-gemini/gemini-cli/pull/27145)
-- Proposal: deterministic encoding for child-process I/O by @kaluchi in
-  [#27247](https://github.com/google-gemini/gemini-cli/pull/27247)
-- feat(cli): add Sublime Text and Emacs Client editors, improve error messages
-  and documentation by @alberti42 in
-  [#21090](https://github.com/google-gemini/gemini-cli/pull/21090)
-- Changelog for v0.43.0-preview.1 by @gemini-cli-robot in
-  [#27297](https://github.com/google-gemini/gemini-cli/pull/27297)
-- fix(devtools): bundle devtools package to avoid resolution errors by
+  [#27535](https://github.com/google-gemini/gemini-cli/pull/27535)
+- chore(release): bump version to 0.45.0-nightly.20260521.g854f811be by
+  @gemini-cli-robot in
+  [#27362](https://github.com/google-gemini/gemini-cli/pull/27362)
+- fix(cli): prevent Termux relaunch and resize remount loops by @saymanq in
+  [#27110](https://github.com/google-gemini/gemini-cli/pull/27110)
+- Feat/a2a expose usage metadata by @jvargassanchez-dot in
+  [#27288](https://github.com/google-gemini/gemini-cli/pull/27288)
+- feat(context): Complete simplification work. by @joshualitt in
+  [#27345](https://github.com/google-gemini/gemini-cli/pull/27345)
+- fix(core): force update_topic tool to execute sequentially by
+  @jvargassanchez-dot in
+  [#27357](https://github.com/google-gemini/gemini-cli/pull/27357)
+- Changelog for v0.44.0-preview.0 by @gemini-cli-robot in
+  [#27360](https://github.com/google-gemini/gemini-cli/pull/27360)
+- Changelog for v0.43.0 by @gemini-cli-robot in
+  [#27361](https://github.com/google-gemini/gemini-cli/pull/27361)
+- Revert "fix(core): prevent SIGHUP kills in PTY environments" by @bbiggs in
+  [#27401](https://github.com/google-gemini/gemini-cli/pull/27401)
+- fix(cli): filter internal session context from history during resumption by
   @rmedranollamas in
-  [#27250](https://github.com/google-gemini/gemini-cli/pull/27250)
-- fix(cli): integrate PolicyEngine into ACP session to prevent deadlocks
-  (#23507) by @cocosheng-g in
-  [#27252](https://github.com/google-gemini/gemini-cli/pull/27252)
-- fix: robust ripgrep path resolution and 1p hermetic execution support by
-  @cocosheng-g in
-  [#27253](https://github.com/google-gemini/gemini-cli/pull/27253)
-- refactor: decouple stored session deletion from ChatRecordingService (#22920)
-  by @yuvrajangadsingh in
-  [#27039](https://github.com/google-gemini/gemini-cli/pull/27039)
-- fix(core): improve Alpine shell compatibility by @dibyx in
-  [#26770](https://github.com/google-gemini/gemini-cli/pull/26770)
-- fix(core): generalize MCP compliance fix for tool results by @cocosheng-g in
-  [#27045](https://github.com/google-gemini/gemini-cli/pull/27045)
-- fix(scripts): scrub CI env vars in dev to keep interactive mode by @Hashaam101
-  in [#27159](https://github.com/google-gemini/gemini-cli/pull/27159)
-- fix(core): Added date field for the GCal MCP by @devr0306 in
-  [#27251](https://github.com/google-gemini/gemini-cli/pull/27251)
-- fix(core): centralize path validation to prevent crashes from malformed
-  prompts by @cocosheng-g in
-  [#27211](https://github.com/google-gemini/gemini-cli/pull/27211)
-- fix(core): prevent SIGHUP kills in PTY environments (WSL2/Kitty/Alacritty) by
-  @ProthamD in [#27267](https://github.com/google-gemini/gemini-cli/pull/27267)
-- fix(core): dynamic fallback routing for exhausted quota models by @cocosheng-g
-  in [#27315](https://github.com/google-gemini/gemini-cli/pull/27315)
-- Auto detect pnpm global installation path for macOS and Windows by @tisonkun
-  in [#22748](https://github.com/google-gemini/gemini-cli/pull/22748)
-- fix(windows): resolve interactive shell arrow-key navigation on Windows by
-  @KumarADITHYA123 in
-  [#23505](https://github.com/google-gemini/gemini-cli/pull/23505)
-- ci: robust stale issue lifecycle and consolidated triage labels by
-  @cocosheng-g in
-  [#27015](https://github.com/google-gemini/gemini-cli/pull/27015)
-- fix(context): Ensure last message is processed. by @joshualitt in
-  [#27232](https://github.com/google-gemini/gemini-cli/pull/27232)
-- chore/release: bump version to 0.44.0-nightly.20260521.g57c42a5c4 by
-  @gemini-cli-robot in
-  [#27324](https://github.com/google-gemini/gemini-cli/pull/27324)
-- fix(ui): added volta to auto update check by @devr0306 in
-  [#27353](https://github.com/google-gemini/gemini-cli/pull/27353)
-- perf: optimize issue triage and lifecycle management by @cocosheng-g in
-  [#27346](https://github.com/google-gemini/gemini-cli/pull/27346)
+  [#27391](https://github.com/google-gemini/gemini-cli/pull/27391)
+- Update default auto routing by @DavidAPierce in
+  [#27071](https://github.com/google-gemini/gemini-cli/pull/27071)
+- fix(core): bypass routing classifiers to prevent orphaned function response
+  errors by @danielweis in
+  [#27389](https://github.com/google-gemini/gemini-cli/pull/27389)
+- fix(core): suppress PTY resize EBADF errors by @scidomino in
+  [#27461](https://github.com/google-gemini/gemini-cli/pull/27461)
+- fix(core): prevent blacklist bypass in mcp list by @ompatel-aiml in
+  [#27377](https://github.com/google-gemini/gemini-cli/pull/27377)
+- fix(cli): ignore unmapped vim normal keys by @MukundaKatta in
+  [#27102](https://github.com/google-gemini/gemini-cli/pull/27102)
 
 **Full Changelog**:
-https://github.com/google-gemini/gemini-cli/compare/v0.43.0-preview.1...v0.44.0-preview.0
+https://github.com/google-gemini/gemini-cli/compare/v0.44.0-preview.0...v0.45.0-preview.1

packages/cli/index.ts

@@ -21,9 +21,12 @@ import {
 // Tracking bug: https://github.com/microsoft/node-pty/issues/827
 process.on('uncaughtException', (error) => {
   if (error instanceof Error) {
+    const message = error.message || '';
     const isPtyResizeError =
-      error.message === 'Cannot resize a pty that has already exited';
-    const isEbadfError = error.message.includes('EBADF');
+      message === 'Cannot resize a pty that has already exited';
+    const isEbadfError =
+      message.includes('EBADF') ||
+      (error as { code?: string }).code === 'EBADF';
     const isFromNodePty =
       error.stack?.includes('node-pty') || error.stack?.includes('PtyResize');
 

packages/core/src/services/shellExecutionService.ts

@@ -37,6 +37,7 @@ import {
 } from './sandboxManager.js';
 import type { SandboxConfig } from '../config/config.js';
 import { killProcessGroup } from '../utils/process-utils.js';
+import { isNodeError } from '../utils/errors.js';
 import {
   ExecutionLifecycleService,
   type ExecutionHandle,
@@ -1507,31 +1508,45 @@ export class ShellExecutionService {
     }
 
     const activePty = this.activePtys.get(pid);
-    if (activePty) {
-      try {
-        activePty.ptyProcess.resize(cols, rows);
-        activePty.headlessTerminal.resize(cols, rows);
-      } catch (e) {
-        // Ignore errors if the pty has already exited, which can happen
-        // due to a race condition between the exit event and this call.
-        // eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
-        const err = e as { code?: string; message?: string };
-        const isEsrch = err.code === 'ESRCH';
-        const isEbadf = err.code === 'EBADF' || err.message?.includes('EBADF');
-        const isWindowsPtyError = err.message?.includes(
-          'Cannot resize a pty that has already exited',
-        );
+    if (!activePty) {
+      return;
+    }
 
-        if (isEsrch || isEbadf || isWindowsPtyError) {
-          // On Unix, we get an ESRCH or EBADF error.
-          // On Windows, we get a message-based error.
-          // In both cases, it's safe to ignore.
-        } else {
-          throw e;
+    // Skip Windows: process.kill(pid, 0) is heavy and native errors are catchable there.
+    if (process.platform !== 'win32') {
+      try {
+        process.kill(pid, 0);
+      } catch (e) {
+        // Bail only if the process is explicitly confirmed dead (ESRCH).
+        if (isNodeError(e) && e.code === 'ESRCH') {
+          return;
         }
       }
     }
 
+    try {
+      activePty.ptyProcess.resize(cols, rows);
+      activePty.headlessTerminal.resize(cols, rows);
+    } catch (e) {
+      // Ignore errors if the pty has already exited, which can happen
+      // due to a race condition between the exit event and this call.
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
+      const err = e as { code?: string; message?: string };
+      const isEsrch = err.code === 'ESRCH';
+      const isEbadf = err.code === 'EBADF' || err.message?.includes('EBADF');
+      const isWindowsPtyError = err.message?.includes(
+        'Cannot resize a pty that has already exited',
+      );
+
+      if (isEsrch || isEbadf || isWindowsPtyError) {
+        // On Unix, we get an ESRCH or EBADF error.
+        // On Windows, we get a message-based error.
+        // In both cases, it's safe to ignore.
+      } else {
+        throw e;
+      }
+    }
+
     // Force emit the new state after resize
     if (activePty) {
       const endLine = activePty.headlessTerminal.buffer.active.length;