diff --git a/services/web/app/views/project/editor/pdf.pug b/services/web/app/views/project/editor/pdf.pug
index f131c317c6..96718b6e0d 100644
--- a/services/web/app/views/project/editor/pdf.pug
+++ b/services/web/app/views/project/editor/pdf.pug
@@ -12,9 +12,22 @@ div.full-size.pdf(ng-controller="PdfController")
 				lastCompileTimestamp: pdf.lastCompileTimestamp,
 				logEntries: pdf.logEntries,
 				validationIssues: pdf.validation,
-				errors: clsiErrors,
 				rawLog: pdf.rawLog,
-				compileFailed: pdf.compileFailed
+				compileFailed: pdf.compileFailed,
+				errors: {
+					error: pdf.error,
+					renderingError: pdf.renderingError,
+					clsiMaintenance: pdf.clsiMaintenance,
+					clsiUnavailable: pdf.clsiUnavailable,
+					tooRecentlyCompiled: pdf.tooRecentlyCompiled,
+					compileTerminated: pdf.compileTerminated,
+					rateLimited: pdf.rateLimited,
+					compileInProgress: pdf.compileInProgress,
+					timedout: pdf.timedout,
+					projectTooLarge: pdf.projectTooLarge,
+					autoCompileDisabled: pdf.autoCompileDisabled,
+					failure: pdf.failure
+				}
 			}`
 			on-clear-cache="clearCache"
 			on-recompile="recompile"
diff --git a/services/web/frontend/js/features/preview/components/preview-logs-pane.js b/services/web/frontend/js/features/preview/components/preview-logs-pane.js
index fb17aaa60c..4256b3a791 100644
--- a/services/web/frontend/js/features/preview/components/preview-logs-pane.js
+++ b/services/web/frontend/js/features/preview/components/preview-logs-pane.js
@@ -23,51 +23,17 @@ function PreviewLogsPane({
   onClearCache,
 }) {
   const { t } = useTranslation()
-  const nowTS = Date.now()
   const {
     all: allCompilerIssues = [],
     errors: compilerErrors = [],
     warnings: compilerWarnings = [],
     typesetting: compilerTypesettingIssues = [],
   } = logEntries
-
-  const errorsUI = Object.keys(errors).map((name, index) => (
-    <PreviewError key={`${nowTS}-${index}`} name={name} />
-  ))
-
-  const validationIssuesUI = Object.keys(
-    validationIssues
-  ).map((name, index) => (
-    <PreviewValidationIssue
-      key={`${nowTS}-${index}`}
-      name={name}
-      details={validationIssues[name]}
-    />
-  ))
-  const logEntriesUI = [
+  const allLogEntries = [
     ...compilerErrors,
     ...compilerWarnings,
     ...compilerTypesettingIssues,
-  ].map((logEntry, index) => (
-    <PreviewLogsPaneEntry
-      key={`${nowTS}-${index}`}
-      headerTitle={logEntry.message}
-      rawContent={logEntry.content}
-      logType={logEntry.type}
-      formattedContent={logEntry.humanReadableHintComponent}
-      extraInfoURL={logEntry.extraInfoURL}
-      level={logEntry.level}
-      entryAriaLabel={t('log_entry_description', {
-        level: logEntry.level,
-      })}
-      sourceLocation={{
-        file: logEntry.file,
-        line: logEntry.line,
-        column: logEntry.column,
-      }}
-      onSourceLocationClick={onLogEntryLocationClick}
-    />
-  ))
+  ]
 
   const actionsUI = (
     <div className="logs-pane-actions">
@@ -118,9 +84,16 @@ function PreviewLogsPane({
           variantWithFirstErrorPopup={variantWithFirstErrorPopup}
         />
         {autoCompileHasLintingError ? <AutoCompileLintingErrorEntry /> : null}
-        {errors ? errorsUI : null}
-        {validationIssues ? validationIssuesUI : null}
-        {allCompilerIssues.length > 0 ? logEntriesUI : null}
+        {errors ? <PreviewErrors errors={errors} /> : null}
+        {validationIssues ? (
+          <PreviewValidationIssues validationIssues={validationIssues} />
+        ) : null}
+        {allCompilerIssues.length > 0 ? (
+          <PreviewLogEntries
+            logEntries={allLogEntries}
+            onLogEntryLocationClick={onLogEntryLocationClick}
+          />
+        ) : null}
         {rawLog && rawLog !== '' ? rawLogUI : null}
         {actionsUI}
       </div>
@@ -128,6 +101,48 @@ function PreviewLogsPane({
   )
 }
 
+const PreviewErrors = ({ errors }) => {
+  const nowTS = Date.now()
+  return Object.entries(errors).map(([name, exists], index) => {
+    return exists && <PreviewError key={`${nowTS}-${index}`} name={name} />
+  })
+}
+
+const PreviewValidationIssues = ({ validationIssues }) => {
+  const nowTS = Date.now()
+  return Object.keys(validationIssues).map((name, index) => (
+    <PreviewValidationIssue
+      key={`${nowTS}-${index}`}
+      name={name}
+      details={validationIssues[name]}
+    />
+  ))
+}
+const PreviewLogEntries = ({ logEntries, onLogEntryLocationClick }) => {
+  const { t } = useTranslation()
+  const nowTS = Date.now()
+  return logEntries.map((logEntry, index) => (
+    <PreviewLogsPaneEntry
+      key={`${nowTS}-${index}`}
+      headerTitle={logEntry.message}
+      rawContent={logEntry.content}
+      logType={logEntry.type}
+      formattedContent={logEntry.humanReadableHintComponent}
+      extraInfoURL={logEntry.extraInfoURL}
+      level={logEntry.level}
+      entryAriaLabel={t('log_entry_description', {
+        level: logEntry.level,
+      })}
+      sourceLocation={{
+        file: logEntry.file,
+        line: logEntry.line,
+        column: logEntry.column,
+      }}
+      onSourceLocationClick={onLogEntryLocationClick}
+    />
+  ))
+}
+
 function AutoCompileLintingErrorEntry() {
   const { t } = useTranslation()
   return (
@@ -190,6 +205,19 @@ function LogsPaneInfoNotice({ variantWithFirstErrorPopup }) {
   )
 }
 
+PreviewErrors.propTypes = {
+  errors: PropTypes.object.isRequired,
+}
+
+PreviewValidationIssues.propTypes = {
+  validationIssues: PropTypes.object.isRequired,
+}
+
+PreviewLogEntries.propTypes = {
+  logEntries: PropTypes.array.isRequired,
+  onLogEntryLocationClick: PropTypes.func.isRequired,
+}
+
 LogsPaneInfoNotice.propTypes = {
   variantWithFirstErrorPopup: PropTypes.bool,
 }
diff --git a/services/web/frontend/js/ide/pdf/controllers/PdfController.js b/services/web/frontend/js/ide/pdf/controllers/PdfController.js
index bcd882b489..12fe5ab8fd 100644
--- a/services/web/frontend/js/ide/pdf/controllers/PdfController.js
+++ b/services/web/frontend/js/ide/pdf/controllers/PdfController.js
@@ -357,9 +357,7 @@ App.controller(
       $scope.pdf.failedCheck = false
       $scope.pdf.compileInProgress = false
       $scope.pdf.autoCompileDisabled = false
-      if (window.showNewLogsUI) {
-        $scope.clsiErrors = {}
-      }
+      $scope.pdf.compileFailed = false
 
       // make a cache to look up files by name
       const fileByPath = {}
@@ -504,35 +502,6 @@ App.controller(
         $scope.pdf.error = true
       }
 
-      if (window.showNewLogsUI) {
-        $scope.pdf.compileFailed = false
-        // `$scope.clsiErrors` stores the error states nested within `$scope.pdf`
-        // for use with React's <PreviewPane errors={$scope.clsiErrors}/>
-        $scope.clsiErrors = Object.assign(
-          {},
-          $scope.pdf.error ? { error: true } : null,
-          $scope.pdf.renderingError ? { renderingError: true } : null,
-          $scope.pdf.clsiMaintenance ? { clsiMaintenance: true } : null,
-          $scope.pdf.clsiUnavailable ? { clsiUnavailable: true } : null,
-          $scope.pdf.tooRecentlyCompiled ? { tooRecentlyCompiled: true } : null,
-          $scope.pdf.compileTerminated ? { compileTerminated: true } : null,
-          $scope.pdf.rateLimited ? { rateLimited: true } : null,
-          $scope.pdf.compileInProgress ? { compileInProgress: true } : null,
-          $scope.pdf.timedout ? { timedout: true } : null,
-          $scope.pdf.projectTooLarge ? { projectTooLarge: true } : null,
-          $scope.pdf.autoCompileDisabled ? { autoCompileDisabled: true } : null,
-          $scope.pdf.failure ? { failure: true } : null
-        )
-
-        if (
-          $scope.pdf.view === 'errors' ||
-          $scope.pdf.view === 'validation-problems'
-        ) {
-          $scope.shouldShowLogs = true
-          $scope.pdf.compileFailed = true
-        }
-      }
-
       const IGNORE_FILES = ['output.fls', 'output.fdb_latexmk']
       $scope.pdf.outputFiles = []
 
@@ -567,6 +536,23 @@ App.controller(
       )
     }
 
+    // In the existing compile UI, errors and validation problems are shown in the PDF pane, whereas in the new
+    // one they're shown in the logs pane. This `$watch`er makes sure we change the view in the new logs UI.
+    // This should be removed once we stop supporting the two different log UIs.
+    if (window.showNewLogsUI) {
+      $scope.$watch(
+        () =>
+          $scope.pdf.view === 'errors' ||
+          $scope.pdf.view === 'validation-problems',
+        newVal => {
+          if (newVal) {
+            $scope.shouldShowLogs = true
+            $scope.pdf.compileFailed = true
+          }
+        }
+      )
+    }
+
     function fetchLogs(fileByPath, options) {
       let blgFile, chktexFile, logFile
 
@@ -836,11 +822,6 @@ App.controller(
           $scope.pdf.renderingError = false
           $scope.pdf.error = true
           $scope.pdf.view = 'errors'
-          if (window.showNewLogsUI) {
-            $scope.clsiErrors = { error: true }
-            $scope.shouldShowLogs = true
-            $scope.pdf.compileFailed = true
-          }
         })
         .finally(() => {
           $scope.lastFinishedCompileAt = Date.now()