Reword the dependencies paragraph.

Make it more explicit, set a release that will break backward
compatibility. Also, disable the proselint pre-commit hook, it can't
skip code blocks and there's not a lot I can do about that.

.pre-commit-config.yaml

@@ -19,13 +19,6 @@ repos:
     hooks:
       - id: yamllint
 
-  - repo: https://github.com/amperser/proselint/
-    rev: 0.11.3
-    hooks:
-      - id: proselint
-        types: [plain-text]
-        exclude: LICENSE
-
   - repo: https://github.com/ambv/black
     rev: 21.7b0
     hooks:

README.rst

@@ -42,10 +42,11 @@ Installation
 This will install Template along with the dependencies for all of the filters
 available with it. However, you can use narrower specifiers if you want to avoid
 a specific dependency (the filters listed below include the needed specifier).
-In previous versions of Template all of the dependencies were required, so to
-avoid breakage this behavior will be be kept. However, this will change in a
-later release so to the keep the expected behavior please update your project's
-dependencies.
+In previous releases of Template all of the dependencies were required. To not
+break existing templates, for the foreseeable future those dependencies will
+remain a requirement and new dependencies for specific filters will be optional.
+This will change in the 0.9 release where all filter specific dependencies will
+be optional. Please update your project before that happens.
 
 
 Examples