Add missing math editor release notes & .tr some buttons because .tc is too messy

Author: nrichers

site/releases/2025/2025-jan-31/math-editor.png

@@ -278,12 +278,12 @@ The `TestResult` class now exposes pre-populated test descriptions through the `
 
 :::: {.flex .flex-wrap .justify-around}
 
-::: {.w-70-ns}
+::: {.w-80-ns}
 - `result.doc` — contains the original docstring of the test.
 - `result.description` — contains the dynamically generated description.
 :::
 
-::: {.w-30-ns .tc}
+::: {.w-20-ns .tr}
 [`TestResult`](/validmind/validmind/vm_models.html#TestResult){.button target="_blank"}
 :::
 
@@ -300,11 +300,11 @@ Labels: enhancement
 
 :::: {.flex .flex-wrap .justify-around}
 
-::: {.w-70-ns}
+::: {.w-80-ns}
 We added raw data storage across all {{< var validmind.developer >}} tests. Every test now returns a `RawData` object, allowing post-processing functions to recreate any test output. This feature enhances flexibility and customizability.
 :::
 
-::: {.w-30-ns .tc}
+::: {.w-20-ns .tr}
 [`RawData`](/validmind/validmind.html#RawData){.button target="_blank"}
 :::
 
@@ -319,11 +319,11 @@ Labels: enhancement
 
 :::: {.flex .flex-wrap .justify-around}
 
-::: {.w-70-ns}
+::: {.w-80-ns}
 We've added a new diagnostic `print_env()` utility function that displays comprehensive information about your running environment. This function is particularly useful when:
 :::
 
-::: {.w-30-ns .tc}
+::: {.w-20-ns .tr}
 [print_env()](/validmind/validmind/vm_utils.html#print_env){.button target="_blank"}
 :::
 
@@ -447,8 +447,30 @@ Adding users management to admin app - list users, create user
 Adding admin tools with option for `RBAC` refresh -->
 
 
+<!-- 
+https://github.com/validmind/frontend/pull/1156
+ -->
+#### New editor for mathematical formulas
 
+:::: {.flex .flex-wrap .justify-around}
+
+::: {.w-70-ns .pr4}
+We replaced the plugin for the editor of mathematical equations and formulas. The new plugin provides an improved interface for adding and editing LaTeX expressions in your documentation.
+
+The new editor also includes a real-time preview and common mathematical symbols for easier equation creation.
+
+::: {.tc}
+[Add mathematical formulas](/guide/model-documentation/work-with-content-blocks.html#add-mathematical-formulas.qmd){.button}
+:::
 
+:::
+
+::: {.w-30-ns}
+![New editor for mathematical equations and formulas](math-editor.png){fig-alt="A screenshot showing the new editor for mathematical equations and formulas" .screenshot}
+
+:::
+
+::::
 
 <!-- ## Bug fixes -->