@@ -0,0 +1 @@
+Pin the recommended poetry version in contributors' guide.
@@ -66,7 +66,7 @@ Of their installation methods, we recommend
```shell
pip install --user pipx
-pipx install poetry
+pipx install poetry==1.5.2 # Problems with Poetry 1.6, see https://github.com/matrix-org/synapse/issues/16147
```
but see poetry's [installation instructions](https://python-poetry.org/docs/#installation)