diff --git a/CHANGELOG.md b/CHANGELOG.md
index b5b724ce9a0..e76c6658574 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,129 @@
 # Change Log
 
+## [2.0.0] - 2025-xx-xx TODO
+
+### Added
+
+- **Add support for the `project` section in the `pyproject.toml` file according to PEP 621** ([#9135](https://github.com/python-poetry/poetry/pull/9135),
+[#9917](https://github.com/python-poetry/poetry/pull/9917)).
+- **Add support for defining Poetry plugins that are required by the project and automatically installed if not present** ([#9547](https://github.com/python-poetry/poetry/pull/9547)).
+- **Lock resulting markers and groups and add a `installer.re-resolve` option (default: `true`) to allow installation without re-resolving** ([#9427](https://github.com/python-poetry/poetry/pull/9427)).
+- Add a `--local-version` option to `poetry build` ([#9064](https://github.com/python-poetry/poetry/pull/9064)).
+- Add a `--clean` option to `poetry build` ([#9067](https://github.com/python-poetry/poetry/pull/9067)).
+- Add FIPS support for `poetry publish` ([#9101](https://github.com/python-poetry/poetry/pull/9101)).
+- Add the option to use `poetry new` interactively and configure more fields ([#9101](https://github.com/python-poetry/poetry/pull/9101)).
+- Add a config option `installer.only-binary` to enforce the use of binary distribution formats ([#9150](https://github.com/python-poetry/poetry/pull/9150)).
+- Add support for `poetry search` in legacy sources ([#9132](https://github.com/python-poetry/poetry/pull/9132)).
+- Add support to resume downloads from connection resets ([#9422](https://github.com/python-poetry/poetry/pull/9422)).
+- Add the option to define a constraint for the required Poetry version to manage the project ([#9547](https://github.com/python-poetry/poetry/pull/9547)).
+- Add an `--all-groups` option to `poetry install` ([#9744](https://github.com/python-poetry/poetry/pull/9744)).
+- Add an `poetry env activate` command as replacement of `poetry shell` ([#9763](https://github.com/python-poetry/poetry/pull/9763)).
+- Add a `--markers` option to `poetry add` to add a dependency with markers ([#9814](https://github.com/python-poetry/poetry/pull/9814)).
+- Add a `--migrate` option to `poetry config` to migrate outdated configs ([#9830](https://github.com/python-poetry/poetry/pull/9830)).
+- Add a `--project` option to search the `pyproject.toml` file in another directory without switching the directory ([#9831](https://github.com/python-poetry/poetry/pull/9831)).
+- Add support for shortened hashes to define git dependencies ([#9748](https://github.com/python-poetry/poetry/pull/9748)).
+- Add partial support for conflicting extras ([#9553](https://github.com/python-poetry/poetry/pull/9553)).
+- Add a `poetry sync` command as replacement of `poetry install --sync` ([#9801](https://github.com/python-poetry/poetry/pull/9801)).
+
+### Changed
+
+- **Change the default behavior of `poetry lock` to `--no-update` and introduce a `--regenerate` option for the old default behavior** ([#9327](https://github.com/python-poetry/poetry/pull/9327)).
+- **Remove the dependency on `poetry-plugin-export` so that `poetry export` is not included per default** ([#5980](https://github.com/python-poetry/poetry/pull/5980)).
+- **Outsource `poetry shell` into `poetry-plugin-shell`** ([#9763](https://github.com/python-poetry/poetry/pull/9763)).
+- **Change the interface of `poetry add --optional` to require an extra the optional dependency is added to** ([#9135](https://github.com/python-poetry/poetry/pull/9135)).
+- **Actually switch the directory when using `--directory`/`-C`** ([#9831](https://github.com/python-poetry/poetry/pull/9831)).
+- **Drop support for Python 3.8** ([#9692](https://github.com/python-poetry/poetry/pull/9692)).
+- Rename `experimental.system-git-client` to `experimental.system-git` ([#9787](https://github.com/python-poetry/poetry/pull/9787), [#9795](https://github.com/python-poetry/poetry/pull/9795)).
+- Replace `virtualenvs.prefer-active-python` by the inverse setting `virtualenvs.use-poetry-python` and prefer the active Python by default ([#9786](https://github.com/python-poetry/poetry/pull/9786)).
+- Deprecate several fields in the `tool.poetry` section in favor of the respective fields in the `project` section in the `pyproject.toml` file ([#9135](https://github.com/python-poetry/poetry/pull/9135)).
+- Deprecate `poetry install --sync` in favor of `poetry sync` ([#9801](https://github.com/python-poetry/poetry/pull/9801)).
+- Upgrade the warning if the current project cannot be installed to an error ([#9333](https://github.com/python-poetry/poetry/pull/9333)).
+- Remove special handling for `platformdirs 2.0` macOS config directory ([#8916](https://github.com/python-poetry/poetry/pull/8916)).
+- Tweak PEP 517 builds ([#9094](https://github.com/python-poetry/poetry/pull/9094)).
+- Use Poetry instead of pip to manage dependencies in isolated build environments ([#9168](https://github.com/python-poetry/poetry/pull/9168),
+[#9227](https://github.com/python-poetry/poetry/pull/9227)).
+- Trust empty `Requires-Dist` with modern metadata ([#9078](https://github.com/python-poetry/poetry/pull/9078)).
+- Do PEP 517 builds instead of parsing `setup.py` to determine dependencies ([#9099](https://github.com/python-poetry/poetry/pull/9099)).
+- Drop support for reading lock files prior version 1.0 (created with Poetry prior 1.1) ([#9345](https://github.com/python-poetry/poetry/pull/9345)).
+- Default to `>=` instead of `^` for the Python requirement when initializing a new project ([#9558](https://github.com/python-poetry/poetry/pull/9558)).
+- Limit `build-system` to the current major version of `poetry-core` when initializing a new project ([#9812](https://github.com/python-poetry/poetry/pull/9812)).
+- Remove pip-based installation, i.e. `installer.modern-installation = false` ([#9392](https://github.com/python-poetry/poetry/pull/9392)).
+- Remove `virtualenvs.options.no-setuptools` config option and never include `setuptools` per default ([#9331](https://github.com/python-poetry/poetry/pull/9331)).
+- Rename exceptions to have an `Error` suffix ([#9705](https://github.com/python-poetry/poetry/pull/9705)).
+- Remove deprecated CLI options and methods and revoke the deprecation of `--dev` ([#9732](https://github.com/python-poetry/poetry/pull/9732)).
+- Ignore installed packages during dependency resolution ([#9851](https://github.com/python-poetry/poetry/pull/9851)).
+- Improve the error message on upload failure ([#9701](https://github.com/python-poetry/poetry/pull/9701)).
+- Improve the error message if the current project cannot be installed to include another root cause ([#9651](https://github.com/python-poetry/poetry/pull/9651)).
+- Improve the output of `poetry show <package>` ([#9750](https://github.com/python-poetry/poetry/pull/9750)).
+- Improve the error message for build errors ([#9870](https://github.com/python-poetry/poetry/pull/9870)).
+- Improve the error message when trying to remove a package from a project without any dependencies ([#9918](https://github.com/python-poetry/poetry/pull/9918)).
+- Drop the direct dependency on `crashtest` ([#9108](https://github.com/python-poetry/poetry/pull/9108)).
+- Require `keyring>=23.3.1` ([#9167](https://github.com/python-poetry/poetry/pull/9167)).
+- Require `build>=1.2.1` ([#9283](https://github.com/python-poetry/poetry/pull/9283)).
+- Require `dulwich>=0.22.6` ([#9748](https://github.com/python-poetry/poetry/pull/9748)).
+
+### Fixed
+
+- Fix an issue where git dependencies with extras could only be cloned if a branch was specified explicitly ([#7028](https://github.com/python-poetry/poetry/pull/7028)).
+- Fix an issue where `poetry env remove` failed if `virtualenvs.in-project` was set to `true` ([#9118](https://github.com/python-poetry/poetry/pull/9118)).
+- Fix an issue where locking packages with a digit at the end of the name and non-standard sdist names failed ([#9189](https://github.com/python-poetry/poetry/pull/9189)).
+- Fix an issue where credentials where not passed when trying to download an URL dependency ([#9202](https://github.com/python-poetry/poetry/pull/9202)).
+- Fix an issue where using uncommon group names with `poetry add` resulted in a broken `pyproject.toml` ([#9277](https://github.com/python-poetry/poetry/pull/9277)).
+- Fix an issue where an inconsistent entry regarding the patch version of Python was kept in `envs.toml` ([#9286](https://github.com/python-poetry/poetry/pull/9286)).
+- Fix an issue where relative paths were not resolved properly when using `poetry build --directory` ([#9433](https://github.com/python-poetry/poetry/pull/9433)).
+- Fix an issue where unrequested extras were not uninstalled when running `poetry install` without an existing lock file ([#9345](https://github.com/python-poetry/poetry/pull/9345)).
+- Fix an issue where the `poetry-check` pre-commit hook did not trigger if only `poetry.lock` has changed ([#9504](https://github.com/python-poetry/poetry/pull/9504)).
+- Fix an issue where files (rather than directories) could not be added as single page source ([#9166](https://github.com/python-poetry/poetry/pull/9166)).
+- Fix an issue where invalid constraints were generated when adding a package with a local version specifier ([#9603](https://github.com/python-poetry/poetry/pull/9603)).
+- Fix several encoding warnings ([#8893](https://github.com/python-poetry/poetry/pull/8893)).
+- Fix an issue where `virtualenvs.prefer-active-python` was not respected ([#9278](https://github.com/python-poetry/poetry/pull/9278)).
+- Fix an issue where the line endings of the lock file were changed ([#9468](https://github.com/python-poetry/poetry/pull/9468)).
+- Fix an issue where installing multiple dependencies from the same git repository failed sporadically due to a race condition ([#9658](https://github.com/python-poetry/poetry/pull/9658)).
+- Fix an issue where installing multiple dependencies from forked monorepos failed sporadically due to a race condition ([#9723](https://github.com/python-poetry/poetry/pull/9723)).
+- Fix an issue where an extra package was not installed if it is required by multiple extras ([#9700](https://github.com/python-poetry/poetry/pull/9700)).
+- Fix an issue where a `direct_url.json` with vcs URLs not compliant with PEP 610 was written ([#9007](https://github.com/python-poetry/poetry/pull/9007)).
+- Fix an issue where other files than wheels were recognized as wheels ([#9770](https://github.com/python-poetry/poetry/pull/9770)).
+- Fix an issue where `installer.max-workers` was ignored for the implicit PyPI source ([#9815](https://github.com/python-poetry/poetry/pull/9815)).
+- Fix an issue where local settings (from `poetry.toml`) were ignored for the implicit PyPI source ([#9816](https://github.com/python-poetry/poetry/pull/9816)).
+- Fix an issue where different `dulwich` versions resulted in different hashes for a git dependency from a tag ([#9849](https://github.com/python-poetry/poetry/pull/9849)).
+- Fix an issue where installing a yanked package with no dependencies failed with an `IndexError` ([#9505](https://github.com/python-poetry/poetry/pull/9505)).
+- Fix an issue where a package could not be added from a source that required an empty password ([#9850](https://github.com/python-poetry/poetry/pull/9850)).
+- Fix an issue where setting `allow-prereleases = false` still allowed pre-releases if no other solution was found ([#9798](https://github.com/python-poetry/poetry/pull/9798)).
+- Fix an issue where the wrong environment was used for checking if an installed package is from system site packages ([#9861](https://github.com/python-poetry/poetry/pull/9861)).
+- Fix an issue where build errors from builds to retrieve metadata information were hidden ([#9870](https://github.com/python-poetry/poetry/pull/9870)).
+- Fix an issue where `poetry check` falsely reported that an invalid source "pypi" is referenced in dependencies ([#9475](https://github.com/python-poetry/poetry/pull/9475)).
+- Fix an issue where `poetry install --sync` tried to uninstall system site packages if the virtual environment was created with `virtualenvs.options.system-site-packages = true` ([#9863](https://github.com/python-poetry/poetry/pull/9863)).
+- Fix an issue where HTTP streaming requests were not closed properly when not completely consumed ([#9899](https://github.com/python-poetry/poetry/pull/9899)).
+
+### Docs
+
+- Add information about getting test coverage in the contribution guide ([#9726](https://github.com/python-poetry/poetry/pull/9726)).
+- Mention `pre-commit-autoupdate` as an alternative to `pre-commit autoupdate` ([#9716](https://github.com/python-poetry/poetry/pull/9716)).
+- Improve the explanation of `exclude` and `include` ([#9734](https://github.com/python-poetry/poetry/pull/9734)).
+- Add information about compatible release requirements, i.e. `~=` ([#9783](https://github.com/python-poetry/poetry/pull/9783)).
+- Add documentation for using a build script to build extension modules ([#9864](https://github.com/python-poetry/poetry/pull/9864)).
+
+### poetry-core ([`2.0.0`](https://github.com/python-poetry/poetry-core/releases/tag/2.0.0))
+
+- Add support for non PEP440 compliant version in the `platform_release` marker ([#722](https://github.com/python-poetry/poetry-core/pull/722)).
+- Add support for string comparisons with `in` / `not in` in generic constraints ([#722](https://github.com/python-poetry/poetry-core/pull/722)).
+- Add support for script files that are generated by a build script ([#710](https://github.com/python-poetry/poetry-core/pull/710)).
+- Add support for `SOURCE_DATE_EPOCH` when building packages ([#766](https://github.com/python-poetry/poetry-core/pull/766),
+[#781](https://github.com/python-poetry/poetry-core/pull/781)).
+- Create `METADATA` files with version 2.3 instead of 2.2 ([#707](https://github.com/python-poetry/poetry-core/pull/707)).
+- Remove support for `x` in version constraints ([#770](https://github.com/python-poetry/poetry-core/pull/770)).
+- Remove support for scripts with extras ([#708](https://github.com/python-poetry/poetry-core/pull/708)).
+- Remove deprecated features and interfaces ([#702](https://github.com/python-poetry/poetry-core/pull/702),
+[#769](https://github.com/python-poetry/poetry-core/pull/769)).
+- Deprecate `tool.poetry.dev-dependencies` in favor of `tool.poetry.group.dev.dependencies` ([#754](https://github.com/python-poetry/poetry-core/pull/754)).
+- Fix an issue where the `platlib` directory of the wrong Python was used ([#726](https://github.com/python-poetry/poetry-core/pull/726)).
+- Fix an issue where building a wheel in a nested output directory results in an error ([#762](https://github.com/python-poetry/poetry-core/pull/762)).
+- Fix an issue where `+` was not allowed in git URL paths ([#765](https://github.com/python-poetry/poetry-core/pull/765)).
+- Fix an issue where the temporary directory was not cleaned up on error ([#775](https://github.com/python-poetry/poetry-core/pull/775)).
+- Fix an issue where the regular expression for author names was too restrictive ([#517](https://github.com/python-poetry/poetry-core/pull/517)).
+- Fix an issue where basic auth http(s) credentials could not be parsed ([#791](https://github.com/python-poetry/poetry-core/pull/791)).
+
+
 ## [1.8.5] - 2024-12-06
 
 ### Changed
@@ -7,6 +131,7 @@
 - Require `pkginfo>=1.12` to fix an issue with an unknown metadata version 2.4 ([#9888](https://github.com/python-poetry/poetry/pull/9888)).
 - Do not fail if the unknown metadata version is only a minor version update ([#9888](https://github.com/python-poetry/poetry/pull/9888)).
 
+
 ## [1.8.4] - 2024-10-14
 
 ### Added
@@ -21,6 +146,7 @@
 
 - Add `3.13` to the list of available Python versions ([#747](https://github.com/python-poetry/poetry-core/pull/747)).
 
+
 ## [1.8.3] - 2024-05-08
 
 ### Added
@@ -2210,7 +2336,8 @@ Initial release
 
 
 
-[Unreleased]: https://github.com/python-poetry/poetry/compare/1.8.5...main
+[Unreleased]: https://github.com/python-poetry/poetry/compare/2.0.0...main
+[2.0.0]: https://github.com/python-poetry/poetry/releases/tag/2.0.0
 [1.8.5]: https://github.com/python-poetry/poetry/releases/tag/1.8.5
 [1.8.4]: https://github.com/python-poetry/poetry/releases/tag/1.8.4
 [1.8.3]: https://github.com/python-poetry/poetry/releases/tag/1.8.3
diff --git a/pyproject.toml b/pyproject.toml
index da7f64b25ef..74ca3858a04 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "poetry"
-version = "2.0.0.dev0"
+version = "2.0.0"
 description = "Python dependency management and packaging made easy."
 authors = ["Sébastien Eustace <sebastien@eustace.io>"]
 maintainers = [
@@ -31,7 +31,7 @@ Changelog = "https://python-poetry.org/history/"
 [tool.poetry.dependencies]
 python = "^3.9"
 
-poetry-core = { git = "https://github.com/python-poetry/poetry-core.git", branch = "main" }
+poetry-core = { git = "https://github.com/python-poetry/poetry-core.git", branch = "main" }  # TODO: use released version
 build = "^1.2.1"
 cachecontrol = { version = "^0.14.0", extras = ["filecache"] }
 cleo = "^2.1.0"