Update v8.md (#118)

docs/guides/migrations/v8.md

@@ -416,6 +416,18 @@ Filters work almost exactly the same, unless you are constructing a custom one.
 **old**: [v7 example](https://pixijs.com/7.x/examples/filters-advanced/custom)
 **new**: [v8 example](https://pixijs.com/8.x/examples/filters-advanced/custom)
 
+If you're using the [community filters](https://github.com/pixijs/filters), note that the `@pixi/filter-*` packages are no-longer maintained for v8, however, you can import directly from the `pixi-filters` package as sub-modules.
+
+***old**
+```ts
+import { AdjustmentFilter } from '@pixi/filter-adjustment';
+```
+
+***new**
+```ts
+import { AdjustmentFilter } from 'pixi-filters/adjustment';
+```
+
 ### Other Breaking Changes
 
 - `DisplayObject` has been removed. `Container` is now the base class for all PixiJS objects.