tweaks part 7

Author: mluukkai

src/content/0/en/part0a.md

@@ -327,7 +327,7 @@ Despite changes *all the submitted exercises remain valid*, and the course can b
 
 Recent major changes
 
-- Part 7 (5th April): Webpack replaced with esbuild
+- Part 7 (5th April): Webpack replaced with esbuild, rror boundaries and keeping the frontend and backend in a single repository covered
 - Part 6 (5th April): Redux replaced with Zustand
 - Part 5 (31st March 2026): React Router and style libraries have been moved from Part 7 to this part
 - Parts 9, 11-13 (March 2026): content updated and material moved to new platform

src/content/7/en/part7.md

@@ -6,10 +6,12 @@ lang: en
 
 <div class="intro">
 
-The seventh part of the course covers several topics. We begin by looking at how to define custom hook functions. After that, we explore how bundling works in React applications: we get acquainted with esbuild as a low-level bundler and look at how Vite can be configured for different scenarios. Toward the end of the part, we briefly cover class components and other React development topics such as code organization and state management.
+The seventh part of the course covers several topics. We begin by looking at how to define custom hook functions. After that, we explore how bundling works in React applications: we get acquainted with esbuild as a low-level bundler and look at how Vite can be configured for different scenarios. Toward the end of the part, we briefly cover class components and other React development topics such as code organization and error boundaries.
 
-<i>Part updated April 6th 2026</i>
-- <i>React router, UI libraries and Styled components moved to part5</i>
+<i>Part updated April 7th 2026</i>
+- <i>React router, UI libraries and Styled components moved to part 5</i>
 - <i>Webpack replaced with esbuild</i>
+- <i>Error boundaries and keeping the frontend and backend in a single repository covered</i>
+- <i>Two new exercises</i>
 
 </div>

src/content/7/en/part7a.md

@@ -7,7 +7,7 @@ lang: en
 
 <div class="content">
 
-The exercises in this part of the course differ a bit from the ones before. As usual, there are some exercises related to the theory of the chapter.
+The exercises in this part of the course differ a bit from the ones before. As usual, there are some exercises related to the theory of the <i>this</i> chapter. The other chapters of this part do not have separate exercises.
 
 The rest of the exercises in this part are found [here](/en/part7/exercises_extending_the_bloglist).
 
@@ -588,7 +588,7 @@ The internet is starting to fill up with more and more helpful material related
 
 <div class="tasks">
 
-### Exercises 7.1.-7.8.
+### Exercises 7.1.-7.5.
 
 #### 7.1: useField hook