Add more highlights to release notes

docs/release/release_0_5_5.md

@@ -10,11 +10,18 @@ For more information, examples, and documentation, please visit our website: htt
 
 ## Highlights
 
-Did you have a hole in your heart where high-quality 3D labels rendering should
-have been? Check out [#7431](https://github.com/napari/napari/pull/7431), in
-which [Ashley Anderson](https://github.com/aganders3) has (again) improved the
-quality of 3D labels by filling the (apparent, but fictional) holes in labels
-at the borders of a volume. Before/after gif:
+This release continues the 0.5 tradition of churning out the bug fixes and
+enhancements, with 24 pull requests total in that category. If you are a user
+of oblique plane rendering, you'll appreciate
+[#7422](https://github.com/napari/napari/pull/7422), which fixes the plane
+calculation when data is anisotropic.
+
+And, did you have a hole in your heart where high-quality 3D labels rendering
+should have been? Check out
+[#7431](https://github.com/napari/napari/pull/7431), in which [Ashley
+Anderson](https://github.com/aganders3) has (again) improved the quality of 3D
+labels by filling the (apparent, but fictional) holes in labels at the borders
+of a volume. Before/after gif:
 
 ![movie showing before and after of labels rendering at the borders of a
 volume](https://github.com/user-attachments/assets/728505be-d212-417b-a29e-7228761ffed3)
@@ -41,8 +48,23 @@ layer!
 </figure>
 ```
 
-Read on for all the changes in this version!
+Did you miss a napari error or warning while reading these notes? We don't
+blame you! Those missed notifications will be a thing of the past with
+[#7220](https://github.com/napari/napari/pull/7220), which will keep
+notifications open if the napari window is not in focus. Whew!
+
+Finally, for the zarrventurous among you, napari 0.5.5 is ready for zarr v3,
+coming soon to a PyPI near you!
+([#7215](https://github.com/napari/napari/pull/7215)) If you are using or
+testing the zarr 3.0.0 betas, try them with napari! We hope you'll be
+pleasantly surprised. 😊
 
+As always, we thank all the contributors to this napari release and all the
+previous ones! We welcome [Carol Willing](https://github.com/willingc) and
+[Tim Monko](https://github.com/TimMonko) to the list of contributors. Read on
+for all the changes in this version!
+
+Read on for all the changes in this version!
 
 ## Improvements