v1.7.9

1.7.9 (2026-02-24)

Full Changelog: v1.7.8...v1.7.9

Features

• add Anthropic Opus 4.6 (fka claude-fudge-eap) model support (f023c77)
• add conversation deletion endpoint (soft delete) [LET-7286] (702cdcb)
• add credit verification before agent message endpoints [LET-XXXX] (69f17af)
• add log probabilities from OpenAI-compatible servers (4575559)
• add order_by and order params to /v1/conversations list endpoin… (921f424)
• Add self-summarization and dropping tool returns as options for compaction (ac37637)
• add template rollback endpoint [LET-7423] (7fbbc3b)
• add ToolReturnCreate to MessageCreateParams [LET-7366] (f870fce)
• allow users to specify via query to stip messages [LET-7392] (d0bc48a)
• core: structure memory directory and block labels [LET-7336] (56a57c7)
• Default to lightweight compaction model instead of agent's model (6921d55)
• make agent_id optional in conversations list endpoint [LET-7612] (b180f3e)
• New prompts/defaults for sliding_window and all compaction (9ac78e2)
• parallel tool calling minimax provider [LET-7647] (a54cac8)

Chores

• format all api.md files (8f75778)
• internal: add request options to SSE classes (45fe3f6)
• internal: bump dependencies (0416184)
• internal: fix lint error on Python 3.14 (1fa4d75)
• internal: make test_proxy_environment_variables more resilient (0a47f8b)
• internal: make test_proxy_environment_variables more resilient to env (76c0a50)
• internal: remove mock server code (60c3a35)
• update mock server docs (ce42220)

v1.7.8

1.7.8 (2026-02-05)

Full Changelog: v1.7.7...v1.7.8

Features

• add context token estimates to llm usage (98d28ee)
• add reasoning zai openrouter (dad90b3)
• add usage columns to steps table (509892c)

v1.7.7

1.7.7 (2026-01-30)

Full Changelog: v1.7.6...v1.7.7

Features

• add compaction stats (7a08830)
• add ID format validation to group schemas (89959b4)
• add MiniMax provider support (572aa55)
• add summary message and event on compaction (e992f95)
• client: add custom JSON encoder for extended type support (17b5e5d)
• openrouter byok (d50e90f)
• Release webhook code (bde7fab)

Bug Fixes

• openrouter provider (dfa9749)
• remove deprecation from agent passages endpoints (e395709)
• warning (54fb598)

Chores

• ci: upgrade actions/github-script (1f41fb4)
• rebuild api requests (4854f25)

v1.7.6

1.7.6 (2026-01-23)

Full Changelog: v1.7.5...v1.7.6

Features

• add override_model support for agent file import (d2bf995)

v1.7.5

1.7.5 (2026-01-23)

Full Changelog: v1.7.4...v1.7.5

Bug Fixes

• remove invalid scheduled message schema reference (9d29c5b)

v1.7.4

1.7.4 (2026-01-23)

Full Changelog: v1.7.3...v1.7.4

Features

• add non-streaming option for conversation messages (06e1802)

Bug Fixes

• move conversations.compact to conversations.messages.compact (f84092c)

v1.7.3

1.7.3 (2026-01-22)

Full Changelog: v1.7.2...v1.7.3

Features

• add batch passage create and optional search query (f1cc304)
• add conversation compact endpoint to SDK and add integration tests (79e7efe)
• crouton: add orgId, userId, Compaction_Settings and LLM_Config (4dd8752)
• re-enable schedule endpoints in stainless (5888ccc)

Bug Fixes

• don't need embedding model for self hosted [LET-7009] (5933091)

v1.7.2

1.7.2 (2026-01-21)

Full Changelog: v1.7.1...v1.7.2

Features

• add chatgpt oauth client for codex routing (91da4e7)
• add conversation_id to export export and compact (5ad13c5)
• add provider trace backend abstraction for multi-backend telemetry (4505c2f)
• add seq id to error chunks (f8f723e)
• add SGLang support (73cb106)
• add telemetry source identifier (35c30c6)
• core: add image support in tool returns [LET-7140] (ff71c2d)
• strict tool calling setting (94dff06)

Chores

• internal: update actions/checkout version (0b206d0)

v1.7.1

1.7.1 (2026-01-15)

Full Changelog: v1.7.0...v1.7.1

Features

• add /v1/runs/{run_id}/trace endpoint for OTEL traces (64a74a8)
• add override_model to message endpoints (05863cc)
• add PATCH route for updating conversation summary (428a171)
• add retrieve message endpoint and to client sdk (30833c7)
• query param parity for conversation messages (f0c80fe)

Bug Fixes

• fix apis (5118ea2)
• remove letta ping schema override (30fe2d2)

Chores

• deprecate identities/groups APIs and remove from SDK (e0089f9)

v1.7.0

1.7.0 (2026-01-14)

Full Changelog: v1.6.5...v1.7.0

Features

• add /v1/metadata/user [LET-6845] (a56acb7)
• add conversation_id filter to list runs (095e489)
• Add conversation_id filtering to message endpoints (d5cad46)
• add ids to archival memory search (f7eaf79)
• add pending approval field on agent state (7ddc612)
• add strict tool calling setting [LET-6902] (7919066)
• add tags support to blocks (d84042c)
• allow for conversation-level isolation of blocks (0938de1)
• client: add support for binary request streaming (86159cc)
• Revert "feat: add strict tool calling setting [LET-6902]" (4b72833)

Chores

• add scheduled message api (5a85700)