RustPython · youknowone · Jan 13, 2026 · Jan 13, 2026 · Jan 13, 2026 · Jan 13, 2026
diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
@@ -4,7 +4,7 @@ This document provides guidelines for working with GitHub Copilot when contribut
 
 ## Project Overview
 
-RustPython is a Python 3 interpreter written in Rust, implementing Python 3.13.0+ compatibility. The project aims to provide:
+RustPython is a Python 3 interpreter written in Rust, implementing Python 3.14.0+ compatibility. The project aims to provide:
 
 - A complete Python-3 environment entirely in Rust (not CPython bindings)
 - A clean implementation without compatibility hacks
@@ -106,7 +106,7 @@ cargo run --release -- -m test test_unicode -k test_unicode_escape
 
 ### Determining What to Implement
 
-Run `./whats_left.py` to get a list of unimplemented methods, which is helpful when looking for contribution opportunities.
+Run `./scripts/whats_left.py` to get a list of unimplemented methods, which is helpful when looking for contribution opportunities.
 
 ## Coding Guidelines
 

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
@@ -115,7 +115,7 @@ env:
     test.test_multiprocessing_spawn.test_processes
   ENV_POLLUTING_TESTS_WINDOWS: >-
   # Python version targeted by the CI.
-  PYTHON_VERSION: "3.13.1"
+  PYTHON_VERSION: "3.14.2"
   X86_64_PC_WINDOWS_MSVC_OPENSSL_LIB_DIR: C:\Program Files\OpenSSL\lib\VC\x64\MD
   X86_64_PC_WINDOWS_MSVC_OPENSSL_INCLUDE_DIR: C:\Program Files\OpenSSL\include
 
@@ -412,7 +412,7 @@ jobs:
           target/release/rustpython -m venv testvenv
           testvenv/bin/rustpython -m pip install wheel
       - name: Check whats_left is not broken
-        run: python -I whats_left.py
+        run: python -I scripts/whats_left.py
 
   lint:
     name: Check Rust code with clippy

diff --git a/.github/workflows/cron-ci.yaml b/.github/workflows/cron-ci.yaml
@@ -13,7 +13,7 @@ name: Periodic checks/tasks
 
 env:
   CARGO_ARGS: --no-default-features --features stdlib,importlib,encodings,ssl-rustls,jit
-  PYTHON_VERSION: "3.13.1"
+  PYTHON_VERSION: "3.14.2"
 
 jobs:
   # codecov collects code coverage data from the rust tests, python snippets and python test suite.
@@ -94,8 +94,8 @@ jobs:
         run: cargo build --release --verbose
       - name: Collect what is left data
         run: |
-          chmod +x ./whats_left.py
-          ./whats_left.py --features "ssl,sqlite" > whats_left.temp
+          chmod +x ./scripts/whats_left.py
+          ./scripts/whats_left.py --features "ssl,sqlite" > whats_left.temp
         env:
           RUSTPYTHONPATH: ${{ github.workspace }}/Lib
       - name: Upload data to the website

diff --git a/.github/workflows/update-doc-db.yml b/.github/workflows/update-doc-db.yml
@@ -9,7 +9,7 @@ on:
       python-version:
         description: Target python version to generate doc db for
         type: string
-        default: "3.13.9"
+        default: "3.14.2"
       ref:
         description: Branch to commit to (leave empty for current branch)
         type: string

diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
@@ -25,7 +25,7 @@ RustPython requires the following:
       stable version: `rustup update stable`
     - If you do not have Rust installed, use [rustup](https://rustup.rs/) to
       do so.
-- CPython version 3.13 or higher
+- CPython version 3.14 or higher
     - CPython can be installed by your operating system's package manager,
       from the [Python website](https://www.python.org/downloads/), or
       using a third-party distribution, such as 

diff --git a/Lib/_opcode_metadata.py b/Lib/_opcode_metadata.py
@@ -132,6 +132,8 @@
     'BUILD_SET_FROM_TUPLES': 122,
     'BUILD_TUPLE_FROM_ITER': 123,
     'BUILD_TUPLE_FROM_TUPLES': 124,
+    'BUILD_TEMPLATE': 125,
+    'BUILD_INTERPOLATION': 126,
     'CONTINUE': 128,
     'JUMP_IF_FALSE_OR_POP': 129,
     'JUMP_IF_TRUE_OR_POP': 130,