diff --git a/.env.example b/.env.example
index 8ffb4cd1f4..083c9c6b4e 100644
--- a/.env.example
+++ b/.env.example
@@ -571,6 +571,19 @@ MEILI_MASTER_KEY=DrhYf7zENyR6AlUCKmnz0eYASOQdl6zxH7s7MKFSfFCt
 STT_API_KEY=
 TTS_API_KEY=
 
+#==================================================#
+#                Code Interpreter                  #
+#==================================================#
+
+# LIBRECHAT_CODE_API_KEY=
+# LIBRECHAT_CODE_BASEURL=
+# Prewarm stateful per-conversation sandboxes in parallel with model generation (default: true).
+# CODE_SANDBOX_PREWARM=true
+# Time in milliseconds before LibreChat treats a tracked sandbox as cold (default: 2100000 / 35 minutes).
+# CODE_SANDBOX_COLD_AFTER_MS=2100000
+# Bytes read per sandbox image chunk; lower this if the runner has a small stdout limit (default: 32768).
+# LIBRECHAT_CODE_IMAGE_CHUNK_BYTES=32768
+
 #==================================================#
 #                        RAG                       #
 #==================================================#
@@ -585,11 +598,18 @@ TTS_API_KEY=
 
 # Stream upload responses with heartbeats during long-running file processing.
 # FILE_UPLOAD_SSE_ENABLED=false
+# Timeout in milliseconds for server-side remote file downloads (default: 15000).
+# REMOTE_FILE_FETCH_TIMEOUT_MS=15000
+# Maximum size in bytes for server-side remote file downloads (default: 536870912 / 512 MiB).
+# REMOTE_FILE_FETCH_MAX_BYTES=536870912
 
 #===================================================#
 #                    User System                    #
 #===================================================#
 
+# Maximum characters in one mid-run Agent steering message (default: 16000).
+# STEER_MAX_LENGTH=16000
+
 #========================#
 # Moderation             #
 #========================#
@@ -1007,6 +1027,10 @@ HELP_AND_FAQ_URL=https://librechat.ai
 # Set to empty string to force all namespaces through Redis: FORCED_IN_MEMORY_CACHE_NAMESPACES=
 # FORCED_IN_MEMORY_CACHE_NAMESPACES=CONFIG_STORE,APP_CONFIG
 
+# Opt-in cache for authenticated user documents during request bursts. Requires Redis and
+# the AUTH_USER_DOC namespace to remain Redis-backed (default: off; set exactly to "on").
+# AUTH_USER_CACHE_MODE=off
+
 # TTL in milliseconds for cached group memberships used in ACL permission checks (default: 300000 / 5 minutes; 0 disables)
 # Membership changes invalidate affected entries immediately; the TTL bounds staleness from cross-process races.
 # USER_PRINCIPALS_CACHE_TTL_MS=300000
diff --git a/Dockerfile b/Dockerfile
index 9e5d41b5d6..6b40a8ed1e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-# v0.8.7
+# v0.8.8-rc1
 
 # Base node image
 FROM node:24.16.0-alpine AS node
diff --git a/Dockerfile.multi b/Dockerfile.multi
index ce429c02bb..034c1f74d8 100644
--- a/Dockerfile.multi
+++ b/Dockerfile.multi
@@ -1,5 +1,5 @@
 # Dockerfile.multi
-# v0.8.7
+# v0.8.8-rc1
 
 # Set configurable max-old-space-size with default
 ARG NODE_MAX_OLD_SPACE_SIZE=6144
diff --git a/api/package.json b/api/package.json
index 55e68ad46c..332d9527fc 100644
--- a/api/package.json
+++ b/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@librechat/backend",
-  "version": "v0.8.7",
+  "version": "v0.8.8-rc1",
   "description": "",
   "scripts": {
     "start": "echo 'please run this from the root directory'",
diff --git a/bun.lock b/bun.lock
index ab6db72c2f..72e83161a8 100644
--- a/bun.lock
+++ b/bun.lock
@@ -37,7 +37,7 @@
     },
     "api": {
       "name": "@librechat/backend",
-      "version": "0.8.7",
+      "version": "0.8.8-rc1",
       "dependencies": {
         "@anthropic-ai/vertex-sdk": "^0.14.3",
         "@aws-sdk/client-bedrock-runtime": "^3.980.0",
@@ -130,7 +130,7 @@
     },
     "client": {
       "name": "@librechat/frontend",
-      "version": "0.8.7",
+      "version": "0.8.8-rc1",
       "dependencies": {
         "@ariakit/react": "^0.4.15",
         "@ariakit/react-core": "^0.4.17",
@@ -264,7 +264,7 @@
     },
     "packages/api": {
       "name": "@librechat/api",
-      "version": "1.7.34",
+      "version": "1.7.35",
       "devDependencies": {
         "@babel/preset-env": "^7.21.5",
         "@babel/preset-react": "^7.18.6",
@@ -345,7 +345,7 @@
     },
     "packages/client": {
       "name": "@librechat/client",
-      "version": "0.4.63",
+      "version": "0.4.64",
       "devDependencies": {
         "@babel/core": "^7.28.5",
         "@babel/preset-env": "^7.28.5",
@@ -433,7 +433,7 @@
     },
     "packages/data-provider": {
       "name": "librechat-data-provider",
-      "version": "0.8.509",
+      "version": "0.8.510",
       "dependencies": {
         "axios": "^1.13.5",
         "dayjs": "^1.11.13",
@@ -470,7 +470,7 @@
     },
     "packages/data-schemas": {
       "name": "@librechat/data-schemas",
-      "version": "0.0.56",
+      "version": "0.0.57",
       "devDependencies": {
         "@rollup/plugin-alias": "^5.1.0",
         "@rollup/plugin-commonjs": "^29.0.0",
diff --git a/client/jest.config.cjs b/client/jest.config.cjs
index c405109d1d..f29617008f 100644
--- a/client/jest.config.cjs
+++ b/client/jest.config.cjs
@@ -1,4 +1,4 @@
-/** v0.8.7 */
+/** v0.8.8-rc1 */
 module.exports = {
   roots: ['<rootDir>/src'],
   testEnvironment: 'jsdom',
diff --git a/client/package.json b/client/package.json
index 6807682a54..b3f6ad219f 100644
--- a/client/package.json
+++ b/client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@librechat/frontend",
-  "version": "v0.8.7",
+  "version": "v0.8.8-rc1",
   "description": "",
   "type": "module",
   "scripts": {
diff --git a/e2e/jestSetup.js b/e2e/jestSetup.js
index 49d92eb8c8..9e74d00f07 100644
--- a/e2e/jestSetup.js
+++ b/e2e/jestSetup.js
@@ -1,3 +1,3 @@
-// v0.8.7
+// v0.8.8-rc1
 // See .env.test.example for an example of the '.env.test' file.
 require('dotenv').config({ path: './e2e/.env.test' });
diff --git a/helm/librechat/Chart.yaml b/helm/librechat/Chart.yaml
index e45c3d0372..6b5ba207b1 100755
--- a/helm/librechat/Chart.yaml
+++ b/helm/librechat/Chart.yaml
@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 2.0.7
+version: 2.0.8
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
@@ -23,7 +23,7 @@ version: 2.0.7
 # It is recommended to use it with quotes.
 
 # renovate: image=registry.librechat.ai/danny-avila/librechat
-appVersion: "v0.8.7"
+appVersion: "v0.8.8-rc1"
 
 home: https://www.librechat.ai
 
diff --git a/librechat.example.yaml b/librechat.example.yaml
index aa49b4875b..e767318cd2 100644
--- a/librechat.example.yaml
+++ b/librechat.example.yaml
@@ -2,11 +2,21 @@
 # https://www.librechat.ai/docs/configuration/librechat_yaml
 
 # Configuration version (required)
-version: 1.3.13
+version: 1.3.14
 
 # Cache settings: Set to true to enable caching
 cache: true
 
+# Tenant-scoped Langfuse export (optional). Fanout also requires the deployment
+# services and environment variables documented in the Langfuse guide.
+# langfuse:
+#   enabled: true
+#   publicKey: '${TENANT_LANGFUSE_PUBLIC_KEY}'
+#   secretKey: '${TENANT_LANGFUSE_SECRET_KEY}'
+#   destination: 'us' # Must match an allowed LANGFUSE_FANOUT_TENANT_DESTINATIONS key
+#   fanout:
+#     enabled: true
+
 # File storage configuration
 # Single strategy for all file types (legacy format, still supported)
 # fileStrategy: "s3"
@@ -427,7 +437,21 @@ endpoints:
   #   skills:
   #     maxCatalogSkills: 20
   #   # (optional) Agent Capabilities available to all users. Omit the ones you wish to exclude. Defaults to list below.
-  #   capabilities: ["deferred_tools", "execute_code", "file_search", "actions", "tools"]
+  #   capabilities: ["deferred_tools", "execute_code", "file_search", "web_search", "artifacts", "subagents", "actions", "context", "skills", "memory", "ask_user_question", "tools", "chain", "ocr"]
+  #   # The following capabilities are opt-in and must be added explicitly:
+  #   # "programmatic_tools", "stateful_code_sessions", "run_in_background"
+  #   # (optional) Require user approval before matching tool calls. Disabled by default.
+  #   toolApproval:
+  #     enabled: true
+  #     mode: default # default, dontAsk, or bypass
+  #     allow: ["mcp:trusted-server:read_*"]
+  #     deny: ["mcp:*:delete_*"] # Deny rules always take precedence
+  #     ask: ["mcp:*:*"]
+  #     reason: "Review {tool} before it runs."
+  #   # (optional) Persist Agent runs paused for approval or Ask User. MongoDB is the durable default.
+  #   checkpointer:
+  #     type: mongo # mongo (default) or memory (single-process development only)
+  #     ttl: 86400 # Approval window in seconds; defaults to 24 hours
 
   # (optional) Custom request headers for the built-in OpenAI / Google endpoints.
   # Forwarded on every request to the provider (or an AI gateway / reverse proxy
@@ -702,6 +726,7 @@ endpoints:
 #       description: "Most capable GPT-4 model with multimodal support"
 #       # default: true      # Hard admin default; takes precedence over prior user choices
 #       # softDefault: true  # First-time default only; skipped after a user selects a model/spec/agent
+#       # showInMenu: false  # Hide from the model selector while keeping explicit `spec` access
 #       group: "openAI"  # String value matching the endpoint name
 #       preset:
 #         endpoint: "openAI"
@@ -767,6 +792,15 @@ endpoints:
 #         endpoint: "openAI"
 #         model: "gpt-4o-mini"
 
+# Automatic conversation summarization (optional)
+# summarization:
+#   enabled: true
+#   provider: "openAI"
+#   model: "gpt-4o-mini"
+#   retainRecent:
+#     turns: 2 # Keep the newest complete user/assistant turns outside the summary
+#     tokens: 2000 # Also preserve up to this many recent tokens
+
 # fileConfig:
 #   endpoints:
 #     assistants:
diff --git a/package-lock.json b/package-lock.json
index 5c05796f61..bab4564963 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "LibreChat",
-  "version": "v0.8.7",
+  "version": "v0.8.8-rc1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "LibreChat",
-      "version": "v0.8.7",
+      "version": "v0.8.8-rc1",
       "license": "ISC",
       "workspaces": [
         "api",
@@ -46,7 +46,7 @@
     },
     "api": {
       "name": "@librechat/backend",
-      "version": "v0.8.7",
+      "version": "v0.8.8-rc1",
       "license": "ISC",
       "dependencies": {
         "@anthropic-ai/vertex-sdk": "^0.16.0",
@@ -917,7 +917,7 @@
     },
     "client": {
       "name": "@librechat/frontend",
-      "version": "v0.8.7",
+      "version": "v0.8.8-rc1",
       "license": "ISC",
       "dependencies": {
         "@ariakit/react": "^0.4.29",
@@ -43633,7 +43633,7 @@
     },
     "packages/api": {
       "name": "@librechat/api",
-      "version": "1.7.34",
+      "version": "1.7.35",
       "license": "ISC",
       "dependencies": {
         "@langchain/langgraph-checkpoint": "^1.1.2",
@@ -44343,7 +44343,7 @@
     },
     "packages/client": {
       "name": "@librechat/client",
-      "version": "0.4.63",
+      "version": "0.4.64",
       "devDependencies": {
         "@babel/core": "^7.28.5",
         "@babel/preset-env": "^7.29.5",
@@ -45486,7 +45486,7 @@
     },
     "packages/data-provider": {
       "name": "librechat-data-provider",
-      "version": "0.8.509",
+      "version": "0.8.510",
       "license": "ISC",
       "dependencies": {
         "axios": "^1.16.0",
@@ -46094,7 +46094,7 @@
     },
     "packages/data-schemas": {
       "name": "@librechat/data-schemas",
-      "version": "0.0.56",
+      "version": "0.0.57",
       "license": "MIT",
       "devDependencies": {
         "@rollup/plugin-alias": "^5.1.0",
diff --git a/package.json b/package.json
index d3d5586830..bf3e0fca2f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "LibreChat",
-  "version": "v0.8.7",
+  "version": "v0.8.8-rc1",
   "description": "",
   "packageManager": "npm@11.13.0",
   "workspaces": [
diff --git a/packages/api/package.json b/packages/api/package.json
index 19e8da0db9..b3837ecfe0 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@librechat/api",
-  "version": "1.7.34",
+  "version": "1.7.35",
   "type": "commonjs",
   "description": "MCP services for LibreChat",
   "main": "dist/index.cjs",
diff --git a/packages/client/package.json b/packages/client/package.json
index 7b04926cab..eb261af52a 100644
--- a/packages/client/package.json
+++ b/packages/client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@librechat/client",
-  "version": "0.4.63",
+  "version": "0.4.64",
   "description": "React components for LibreChat",
   "repository": {
     "type": "git",
diff --git a/packages/data-provider/package.json b/packages/data-provider/package.json
index a3307a11fa..b825c2e9db 100644
--- a/packages/data-provider/package.json
+++ b/packages/data-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "librechat-data-provider",
-  "version": "0.8.509",
+  "version": "0.8.510",
   "description": "data services for librechat apps",
   "main": "dist/index.js",
   "module": "dist/index.mjs",
diff --git a/packages/data-provider/src/config.ts b/packages/data-provider/src/config.ts
index 97607f99c0..e9084da42e 100644
--- a/packages/data-provider/src/config.ts
+++ b/packages/data-provider/src/config.ts
@@ -902,8 +902,8 @@ export const agentsEndpointSchema = baseEndpointSchema
       remoteApi: remoteApiSchema.optional(),
       /** Human-in-the-loop tool approval policy. Off by default. */
       toolApproval: toolApprovalPolicySchema,
-      /** Durable checkpointer backing HITL resume. Defaults to the app's MongoDB
-       *  when `toolApproval.enabled` is set; ignored otherwise. */
+      /** Durable checkpointer backing tool-approval and Ask User resume.
+       *  Defaults to the app's MongoDB when either flow needs it. */
       checkpointer: checkpointerSchema,
     }),
   )
@@ -2699,7 +2699,7 @@ export enum Constants {
    */
   VERSION = '__LIBRECHAT_VERSION__',
   /** Key for the Custom Config's version (librechat.yaml). */
-  CONFIG_VERSION = '1.3.13',
+  CONFIG_VERSION = '1.3.14',
   /** Standard value for the first message's `parentMessageId` value, to indicate no parent exists. */
   NO_PARENT = '00000000-0000-0000-0000-000000000000',
   /** Standard value to use whatever the submission prelim. `responseMessageId` is */
diff --git a/packages/data-schemas/package.json b/packages/data-schemas/package.json
index 254ac5558f..a0cdbd224c 100644
--- a/packages/data-schemas/package.json
+++ b/packages/data-schemas/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@librechat/data-schemas",
-  "version": "0.0.56",
+  "version": "0.0.57",
   "description": "Mongoose schemas and models for LibreChat",
   "type": "module",
   "main": "dist/index.cjs",