diff --git a/shell/components/form/KeyValue.vue b/shell/components/form/KeyValue.vue
index 62fc8733d4..de43bd3f31 100644
--- a/shell/components/form/KeyValue.vue
+++ b/shell/components/form/KeyValue.vue
@@ -660,6 +660,7 @@ export default {
             <CodeMirror
               v-else-if="valueMarkdownMultiline"
               ref="cm"
+              data-testid="code-mirror-multiline-field"
               :class="{['focus']: codeMirrorFocus[i]}"
               :value="row[valueName]"
               :as-text-area="true"
diff --git a/shell/components/form/__tests__/KeyValue.test.ts b/shell/components/form/__tests__/KeyValue.test.ts
index 3a0b529181..3e31fc8b61 100644
--- a/shell/components/form/__tests__/KeyValue.test.ts
+++ b/shell/components/form/__tests__/KeyValue.test.ts
@@ -15,4 +15,21 @@ describe('component: KeyValue', () => {
 
     expect(inputValue.value).toBe(value);
   });
+
+  it('should display a markdown-multiline field with new lines visible', () => {
+    const wrapper = mount(KeyValue, {
+      propsData: {
+        value:                  'test',
+        valueMarkdownMultiline: true,
+      },
+      mocks:      { $store: { getters: { 'i18n/t': jest.fn() } } },
+      directives: { t }
+    });
+
+    const inputFieldTextArea = wrapper.find('textarea').element;
+    const inputFieldMultiline = wrapper.find('[data-testid="code-mirror-multiline-field"]').element;
+
+    expect(inputFieldTextArea).toBeUndefined();
+    expect(inputFieldMultiline).toBeDefined();
+  });
 });
diff --git a/shell/utils/__tests__/create-yaml.test.ts b/shell/utils/__tests__/create-yaml.test.ts
new file mode 100644
index 0000000000..8bf4742c94
--- /dev/null
+++ b/shell/utils/__tests__/create-yaml.test.ts
@@ -0,0 +1,63 @@
+import {
+  getBlockDescriptor,
+  dumpBlock,
+} from '@shell/utils/create-yaml';
+
+const key = 'example';
+const randomData = '\n      foo\n      bar\n';
+
+const scalarStyles = ['>', '|'];
+const chomping = ['+', '-', ''];
+const indentations = ['4', '2', ''];
+
+describe('fx: getBlockDescriptor', () => {
+  describe('should parse blocks header for all block indicators combo', () => {
+    scalarStyles.forEach((scalar) => {
+      chomping.forEach((chomping) => {
+        indentations.forEach((indentation) => {
+          const combo = `${ scalar }${ indentation }${ chomping }`;
+
+          it(`combo: ${ combo }`, () => {
+            const toParse = `${ key }: ${ combo }${ randomData }`;
+
+            const desc = getBlockDescriptor(toParse, key);
+
+            expect(desc?.header).toBe(`${ key }: ${ combo }`);
+            expect(desc?.indentation).toBe(indentation);
+          });
+        });
+      });
+    });
+  });
+});
+
+describe('fx: dumpBlock', () => {
+  describe('should create a data block replacing indicators with blocks indicator from options', () => {
+    const key = 'example';
+
+    scalarStyles.forEach((scalarStyle) => {
+      chomping.forEach((chomping) => {
+        const options = {
+          [key]: {
+            chomping,
+            scalarStyle
+          }
+        };
+
+        it(`options: { scalarStyle: ${ scalarStyle }, chomping: ${ chomping } } with indentation`, () => {
+          const data = { [key]: ' foo  \n bar   \n   \n   foo\n   bar\n   ' };
+          const block = dumpBlock(data, options);
+
+          expect(block.includes(`example: ${ scalarStyle }${ chomping }2`)).toBeTruthy();
+        });
+
+        it(`options: { scalarStyle: ${ scalarStyle }, chomping: ${ chomping } } without indentation`, () => {
+          const data = { [key]: 'foo  \nbar   \n\nfoo\nbar\n   ' };
+          const block = dumpBlock(data, options);
+
+          expect(block.includes(`example: ${ scalarStyle }${ chomping }`)).toBeTruthy();
+        });
+      });
+    });
+  });
+});
diff --git a/shell/utils/array.ts b/shell/utils/array.ts
index bee4d3a49c..5708abba12 100644
--- a/shell/utils/array.ts
+++ b/shell/utils/array.ts
@@ -188,6 +188,10 @@ export function uniq<T>(ary: T[]): T[] {
   return out;
 }
 
+export function concatStrings(a: string[], b: string[]) {
+  return [...a.map(aa => b.map(bb => aa.concat(bb)))].reduce((acc, arr) => [...arr, ...acc], []);
+}
+
 interface KubeResource { metadata: { labels: { [name: string]: string} } } // Migrate to central kube types resource when those are brought in
 export function getUniqueLabelKeys<T extends KubeResource>(aryResources: T[]): string[] {
   const uniqueObj = aryResources.reduce((res, r) => {
diff --git a/shell/utils/create-yaml.js b/shell/utils/create-yaml.js
index 6070114ef9..86289cf709 100644
--- a/shell/utils/create-yaml.js
+++ b/shell/utils/create-yaml.js
@@ -370,7 +370,7 @@ function serializeSimpleValue(data) {
   return jsyaml.dump(data).trim();
 }
 
-function getBlockDescriptor(value, key) {
+export function getBlockDescriptor(value, key) {
   const header = getBlockHeader(value, key);
 
   return {
@@ -451,7 +451,7 @@ export function saferDump(obj) {
  *     one of '|', '>'
  *     default '|'
  * - chomping:
- *     one of: null, '-', '+'
+ *     one of: null, '', '-', '+'
  *     default: null
  * @returns the result of jsyaml.dump with the addition of multiline indicators
  */
@@ -464,15 +464,15 @@ export function dumpBlock(data, options = {}) {
 
   if (blockFields.length) {
     for (const key of blockFields) {
+      const { header, indentation } = getBlockDescriptor(out, key);
+
       const scalarStyle = options[key]?.scalarStyle ?? '|';
       const chomping = options[key]?.chomping ?? '';
 
-      const desc = getBlockDescriptor(out, key);
-
       /**
        * Replace the original block indicators with the ones provided in the options param
        */
-      out = out.replace(desc.header, `${ key }: ${ scalarStyle }${ chomping }${ desc.indentation }`);
+      out = out.replace(header, `${ key }: ${ scalarStyle }${ chomping }${ indentation }`);
     }
   }