diff --git a/src/common/modals/ChangeLogs.js b/src/common/modals/ChangeLogs.js
index 7334d8759..bd599bf34 100644
--- a/src/common/modals/ChangeLogs.js
+++ b/src/common/modals/ChangeLogs.js
@@ -247,9 +247,10 @@ const ChangeLogs = () => {
           </SectionTitle>
           <div>
             <ul>
-              {data.new.map(item => (
+              {data.new.map((item, index) => (
                 <UpdateRow
-                  key={item.header}
+                  /* eslint-disable-next-line react/no-array-index-key */
+                  key={index}
                   header={item.header}
                   content={item.content}
                 />
@@ -281,9 +282,10 @@ const ChangeLogs = () => {
           </SectionTitle>
           <div>
             <ul>
-              {data.improvements.map(item => (
+              {data.improvements.map((item, index) => (
                 <UpdateRow
-                  key={item.header}
+                  /* eslint-disable-next-line react/no-array-index-key */
+                  key={index}
                   header={item.header}
                   content={item.content}
                 />
@@ -315,9 +317,10 @@ const ChangeLogs = () => {
           </SectionTitle>
           <div>
             <ul ref={intersectionObserverRef}>
-              {data.bugfixes.map(item => (
+              {data.bugfixes.map((item, index) => (
                 <UpdateRow
-                  key={item.header}
+                  /* eslint-disable-next-line react/no-array-index-key */
+                  key={index}
                   header={item.header}
                   content={item.content}
                 />
diff --git a/src/common/modals/InstanceManager/Overview.js b/src/common/modals/InstanceManager/Overview.js
index e86b5676d..112d49c82 100644
--- a/src/common/modals/InstanceManager/Overview.js
+++ b/src/common/modals/InstanceManager/Overview.js
@@ -95,7 +95,7 @@ const JavaManagerRow = styled.div`
 `;
 
 const JavaMemorySlider = styled(Slider)`
-  margin: 30px 0 55px 0;
+  margin: 30px 10px 55px 0 !important;
 `;
 
 const JavaResetButton = styled(Button)`
diff --git a/src/common/modals/Settings/components/Java.js b/src/common/modals/Settings/components/Java.js
index 98edc2e91..f88450665 100644
--- a/src/common/modals/Settings/components/Java.js
+++ b/src/common/modals/Settings/components/Java.js
@@ -389,7 +389,7 @@ export default function MyAccountPreferences() {
         </Paragraph>
         <Slider
           css={`
-            margin: 20px 20px 20px 0;
+            margin: 20px 20px 20px 0 !important;
           `}
           onAfterChange={e => {
             dispatch(updateJavaMemory(e));
@@ -464,14 +464,13 @@ export default function MyAccountPreferences() {
           <Select
             value={mcStartupMethod}
             onChange={v => dispatch(updateMcStartupMethod(v))}
+            disabled={process.platform !== 'win32'}
           >
-            {Object.entries(MC_STARTUP_METHODS).map(([k, v]) => {
-              return (
-                <Select.Option key={k} value={k}>
-                  {v}
-                </Select.Option>
-              );
-            })}
+            {Object.entries(MC_STARTUP_METHODS).map(([k, v]) => (
+              <Select.Option key={k} value={k}>
+                {v}
+              </Select.Option>
+            ))}
           </Select>
         </McStartupMethodRow>
       </McStartupMethod>