Bump version and drop support for Python 3.9

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
       matrix:
         arch: [x64]
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.10", "3.11"]
     defaults:
       run:
         shell: bash

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
       matrix:
         arch: [x64]
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.10", "3.11"]
     defaults:
       run:
         shell: bash
@@ -245,7 +245,7 @@ jobs:
       matrix:
         arch: [x64]
         os: [ubuntu-20.04, ubuntu-latest, windows-latest]
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.10", "3.11"]
     defaults:
       run:
         shell: bash

RELEASES.md

@@ -1,3 +1,17 @@
+# NautilusTrader 1.180.0 Beta
+
+Released on TBC (UTC).
+
+### Enhancements
+None
+
+### Breaking Changes
+- Dropped support for Python 3.9
+
+### Fixes
+None
+
+---
 # NautilusTrader 1.179.0 Beta
 
 Released on 22nd October 2023 (UTC).

build.py

@@ -1,7 +1,5 @@
 #!/usr/bin/env python3
 
-from __future__ import annotations
-
 import itertools
 import os
 import platform

nautilus_core/Cargo.toml

@@ -14,7 +14,7 @@ members = [
 
 [workspace.package]
 rust-version = "1.73.0"
-version = "0.10.0"
+version = "0.11.0"
 edition = "2021"
 authors = ["Nautech Systems <[email protected]>"]
 description = "A high-performance algorithmic trading platform and event-driven backtester"

nautilus_trader/adapters/_template/data.py

@@ -13,7 +13,6 @@
 #  limitations under the License.
 # -------------------------------------------------------------------------------------------------
 
-from typing import Optional
 
 import pandas as pd
 
@@ -161,17 +160,17 @@ async def _subscribe_order_book_deltas(
         self,
         instrument_id: InstrumentId,
         book_type: BookType,
-        depth: Optional[int] = None,
-        kwargs: Optional[dict] = None,
+        depth: int | None = None,
+        kwargs: dict | None = None,
     ) -> None:
         raise NotImplementedError("method must be implemented in the subclass")  # pragma: no cover
 
     async def _subscribe_order_book_snapshots(
         self,
         instrument_id: InstrumentId,
         book_type: BookType,
-        depth: Optional[int] = None,
-        kwargs: Optional[dict] = None,
+        depth: int | None = None,
+        kwargs: dict | None = None,
     ) -> None:
         raise NotImplementedError("method must be implemented in the subclass")  # pragma: no cover
 
@@ -242,8 +241,8 @@ async def _request_quote_ticks(
         instrument_id: InstrumentId,
         limit: int,
         correlation_id: UUID4,
-        start: Optional[pd.Timestamp] = None,
-        end: Optional[pd.Timestamp] = None,
+        start: pd.Timestamp | None = None,
+        end: pd.Timestamp | None = None,
     ) -> None:
         raise NotImplementedError("method must be implemented in the subclass")  # pragma: no cover
 
@@ -252,8 +251,8 @@ async def _request_trade_ticks(
         instrument_id: InstrumentId,
         limit: int,
         correlation_id: UUID4,
-        start: Optional[pd.Timestamp] = None,
-        end: Optional[pd.Timestamp] = None,
+        start: pd.Timestamp | None = None,
+        end: pd.Timestamp | None = None,
     ) -> None:
         raise NotImplementedError("method must be implemented in the subclass")  # pragma: no cover
 
@@ -262,7 +261,7 @@ async def _request_bars(
         bar_type: BarType,
         limit: int,
         correlation_id: UUID4,
-        start: Optional[pd.Timestamp] = None,
-        end: Optional[pd.Timestamp] = None,
+        start: pd.Timestamp | None = None,
+        end: pd.Timestamp | None = None,
     ) -> None:
         raise NotImplementedError("method must be implemented in the subclass")  # pragma: no cover