v1.21.0 (#1869)

* release: update changelog, bump version to v1.21.0

* chore: `black .` and `pip-compile`

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: iamdefinitelyahuman

CHANGELOG.md

@@ -6,11 +6,14 @@ This changelog format is based on [Keep a Changelog](https://keepachangelog.com/
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased](https://github.com/eth-brownie/brownie)
+
+## [1.21.0](https://github.com/eth-brownie/brownie/tree/v1.21.0) - 2025-05-23
 ### Fixed
 - GethPOAMiddleware on Polygon networks with anvil fork ([#1791](https://github.com/eth-brownie/brownie/pull/1791))
 
 ### Changed
 - replace `eth_utils.to_checksum_address` with `cchecksum.to_checksum_address` for ~8x faster checksumming ([#1796](https://github.com/eth-brownie/brownie/pull/1796))
+- Use Etherscan v2 API (only uses `ETHERSCAN_TOKEN` env var for all networks) ([#1852](https://github.com/eth-brownie/brownie/pull/1852))
 
 ## [1.20.7](https://github.com/eth-brownie/brownie/tree/v1.20.7) - 2025-01-07
 ### Added

brownie/_config.py

@@ -20,7 +20,7 @@
 from brownie._expansion import expand_posix_vars
 from brownie._singleton import _Singleton
 
-__version__ = "1.20.7"
+__version__ = "1.21.0"
 
 BROWNIE_FOLDER = Path(__file__).parent
 DATA_FOLDER = Path.home().joinpath(".brownie")

requirements-dev.txt

@@ -45,7 +45,7 @@ click==8.2.1
     #   pip-tools
 colorama==0.4.6
     # via tox
-coverage[toml]==7.8.1
+coverage[toml]==7.8.2
     # via
     #   -r requirements-dev.in
     #   pytest-cov

requirements.txt

@@ -172,7 +172,7 @@ pycryptodome==3.23.0
     #   eth-hash
     #   eth-keyfile
     #   vyper
-pydantic==2.11.4
+pydantic==2.11.5
     # via eth-account
 pydantic-core==2.33.2
     # via pydantic

setup.cfg

@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1.20.7
+current_version = 1.21.0
 
 [bumpversion:file:setup.py]
 

setup.py

@@ -24,7 +24,7 @@
 setup(
     name="eth-brownie",
     packages=find_packages(),
-    version="1.20.7",  # don't change this manually, use bumpversion instead
+    version="1.21.0",  # don't change this manually, use bumpversion instead
     license="MIT",
     description="A Python framework for Ethereum smart contract deployment, testing and interaction.",  # noqa: E501
     long_description=long_description,