[Seth Juarez (sethjuarez)]

🤖 I have created a release beep boop

2.0.0 (2026-09-10)

Features

• §8.8 Structured Result Casting for Python and TypeScript (f0cd82c)
• add agent loop resilience (§9.8, §9.9, §9.10) (d6df11b)
• add bind_tools validation bridge across all runtimes (0393d56)
• add context compaction across all runtimes + Rust DX improvements (3490cbb)
• add context compaction across all runtimes + Rust DX improvements (#345) (3490cbb)
• agent loop resilience, structured output fix, Entra ID tests, mock pipeline tests (6bfdfee)
• emitter: add @factory and @helper decorators with cross-runtime generation (0a33ad9)
• emitter: add enum support for TypeSpec string-literal unions (94dd8b9)
• emitter: add nested factory methods + unified import model (Phase 3) (1f4ff15)
• emitter: Declaration IR, language-agnostic lowering, Python emitter, rename to prompty-emitter (Phase 4) (a4e557e)
• emitter: E1b/c/d - group-aware folder emission across all 5 runtimes (e200966)
• emitter: Phase 1a — decorator renames, FieldRead IR, new decorators (0f5b83e)
• emitter: wire expression IR into all 5 language emitters (Phase 2) (b567847)
• engine: promote generated ResumeContext into the live resume path (3b46e09)
• fix remaining issues — nullable protocols, C# async migration, Rust/Go helpers (9be0745)
• implement tool binding injection in Python and TypeScript (8cb00c8)
• memory: promote agent memory into canonical prompty (d551391)
• memory: promote tiered agent memory into canonical prompty (a92d404)
• model: add reasoningEffort to ModelOptions (fc07e78)
• model: add Typra-owned ModelLister discovery protocol for OpenAI/Anthropic/Foundry (fe3133a)
• model: service-drill conformance vector on the callable seam (d8cb188)
• promote spec.md types to TypeSpec (pipeline, usage, events, tools) (430fb20)
• Prompty v2 rebuild + Typra 2.0.2 model regen (7 runtimes green) (5360d90)
• Prompty v2 rebuild + Typra 2.0.2 model regen (7 runtimes green) (72f3b53)
• PromptyTool support in Responses API + wire projection tests (6f9cdec)
• protocol emission via @protocol decorator + strict toWire() fix (5b3a73e)
• protocols: make generated protocols canonical with optional/sync support (a839628)
• python: add live provider capability guard reference (96e3c3b)
• python: agent loop extensions and tool decorator (ea88e67)
• python: graduate Python runtime to 2.0.0 (#535) (fde5e64)
• python: guard deprecated sampling params, translate reasoningEffort (09f5ce2)
• python: live integration plumbing for real Entra-auth endpoints (c50c3cc)
• python: provider-agnostic run + runTurn engines; remove all vector waivers (c039272)
• python: support image/file/audio rich-kind nonces in pipeline (5c188c7)
• python: wire ToolResult through pipeline, remove mode from PromptyToolHandler (2a99e24)
• regen model tree on @typra/emitter 2.1.6 + retire dispatch doubles (#511) (e769acc)
• regen model tree on @typra/emitter 2.1.6 + retire dispatch doubles (#511) (c736092)
• remove all Nunjucks templates, replace with typed TypeScript emitters (58b54d0)
• replace hand-written GuardrailResult with generated model type across all runtimes (c1a905c)
• schema: add live invocation contracts (81cea0d)
• schema: add live turn-engine data contracts + run identity to TypeSpec (10f35ee)
• schema: migrate all 10 conformance stages to TypeSpec @vector single source of truth (6dda877)
• two-layer tool registry (spec §11.2) + pipeline dispatch wiring (3cd42df)
• wire format toWire() generation via knownAs decorator (8f96e23)
• wire ToolResult through Rust runtime + remove PromptyTool mode (6dfb1df)

Bug Fixes

• §13 agent loop gaps — first-turn ordering, guardrail rewrite, output guardrail, sync parallel (cd0e2a4)
• add connection kind guards + improve Foundry empty-endpoint error (ab96b85)
• align Foundry deployment discovery and inference (d096266)
• audit cleanup — use production code in all spec vector tests (364f423)
• C# emitter string escaping, Message.role default, and Metadata null safety (bf02093)
• csharp: disable test parallelism to prevent registry race (1f9aded)
• emitter bugs — Python save_parts serialization, test string escaping, stale Rust tests (2a205de)
• emitter: strip trailing whitespace, fix C# string bug, format test output (e2e7173)
• format generated Python/C# code for CI compliance (cb9760e)
• openai: preserve strict Responses nullability (59aa142)
• PromptyTool robustness — circular refs, empty inputs, path guard, test quality (8b6caa4)
• providers: extend union/nullability wire guard to c#, python, typescript (a63c805)
• Python emitter detects factory/field name collisions and prefixes with create_ (bbf8550)
• Python emitter snake_case + PromptyTool mode field + test cleanup (2367405)
• python: eliminate ReDoS in chat parser role-boundary regex (#457) (c9299f1)
• re-emit model files from TypeSpec, fix scalar collection loader (aeb9466)
• recursive array/object JSON Schema in tool params across all runtimes (#332) (40aad82)
• reference index slug so /reference/ link resolves (f318f1d)
• remove backward-compat aliases for execute (clean break at alpha) (bfdaef5)
• rewrite spec vector tests to exercise production code (6f2bde6)
• rust: unwrap structured output in invoke() + add mock pipeline tests (eceaeaa)
• salvage nested strict-mode (#441) and Anthropic transport hardening (#443) onto 0.9.0 (#481) (345f767)
• schema: complete union nullability release (fdbc4ac)
• schema: repair mojibake in agent conformance vectors (6735f33)
• schema: support nullable union properties (1f8e3d1)
• schema: trim trailing whitespace in agent instructions sample (00b8052)
• security: restrict file reference resolution to allowed roots (88ac994)
• structured output integration tests + python formatting (1d97743)
• token streaming events and TS dead code cleanup (aa17360)
• TS emitter loadParts guard for types without name property (2fe50f2)
• TS wildcard fallback + 26 TS tool-dispatch tests + lint cleanup (431b52d)
• use annotated tags in all release scripts (32da0ff)
• use ruff format in Python emitter driver (matches CI) (9f21dab)
• use snake_case attribute names in foundry executor (d19aa0a)

Performance Improvements

• fix to_dict MagicMock recursion — 10min tests → 11s (c1fa82e)

Reverts

• model: back service-drill vector out of the conformance rail (b150871)

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[Seth Juarez (sethjuarez)]

🤖 Created releases:

• python-2.0.0

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