PHPStorm UI presented with illegible text in +95% of areas after Windows 10 October update.
UI Text should be clear, correct, and readable.
Majority of the UI text presented is illegible and presented in a fashion that cannot be read. Screenshots attached.

The following errors were reported by the application:
java.lang.Throwable: Icon cannot be found in '/javaee/application_xml.svg', aClass='class com.intellij.icons.AllIcons$Javaee'
at com.intellij.openapi.diagnostic.Logger.error(Logger.java:134)
at com.intellij.openapi.util.IconLoader.getIcon(IconLoader.java:157)
at com.intellij.openapi.util.IconLoader.getIcon(IconLoader.java:118)
at com.intellij.icons.AllIcons$Javaee.<clinit>(AllIcons.java:1600)
at com.intellij.execution.update.UpdateRunningApplicationAction.<init>(UpdateRunningApplicationAction.java:25)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.intellij.util.ReflectionUtil.newInstance(ReflectionUtil.java:419)
at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.convertStub(ActionManagerImpl.java:146)
at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.getActionImpl(ActionManagerImpl.java:471)
at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.getAction(ActionManagerImpl.java:459)
at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.preloadActions(ActionManagerImpl.java:1275)
at com.intellij.openapi.actionSystem.impl.ActionPreloader.preload(ActionPreloader.java:32)
at com.intellij.openapi.application.Preloader.lambda$null$0(Preloader.java:66)
at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:164)
at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:583)
at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:533)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:87)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:151)
at com.intellij.openapi.application.Preloader.lambda$initComponent$1(Preloader.java:63)
at com.intellij.util.concurrency.BoundedTaskExecutor.doRun(BoundedTaskExecutor.java:227)
at com.intellij.util.concurrency.BoundedTaskExecutor.access$100(BoundedTaskExecutor.java:26)
at com.intellij.util.concurrency.BoundedTaskExecutor$2$1.run(BoundedTaskExecutor.java:200)
at com.intellij.util.ConcurrencyUtil.runUnderThreadName(ConcurrencyUtil.java:229)
at com.intellij.util.concurrency.BoundedTaskExecutor$2.run(BoundedTaskExecutor.java:194)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Following exceptions happened soon after this one, most probably they are induced.
2018-10-03T11:06:08.683
com.intellij.diagnostic.PluginException: java.lang.reflect.InvocationTargetException [Plugin: com.intellij]
at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.convertStub(ActionManagerImpl.java:149)
at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.getActionImpl(ActionManagerImpl.java:471)
at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.getAction(ActionManagerImpl.java:459)
at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.preloadActions(ActionManagerImpl.java:1275)
at com.intellij.openapi.actionSystem.impl.ActionPreloader.preload(ActionPreloader.java:32)
at com.intellij.openapi.application.Preloader.lambda$null$0(Preloader.java:66)
at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:164)
at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:583)
at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:533)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:87)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:151)
at com.intellij.openapi.application.Preloader.lambda$initComponent$1(Preloader.java:63)
at com.intellij.util.concurrency.BoundedTaskExecutor.doRun(BoundedTaskExecutor.java:227)
at com.intellij.util.concurrency.BoundedTaskExecutor.access$100(BoundedTaskExecutor.java:26)
at com.intellij.util.concurrency.BoundedTaskExecutor$2$1.run(BoundedTaskExecutor.java:200)
at com.intellij.util.ConcurrencyUtil.runUnderThreadName(ConcurrencyUtil.java:229)
at com.intellij.util.concurrency.BoundedTaskExecutor$2.run(BoundedTaskExecutor.java:194)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at com.intellij.util.ExceptionUtilRt.rethrow(ExceptionUtilRt.java:31)
at com.intellij.util.ExceptionUtil.rethrow(ExceptionUtil.java:120)
at com.intellij.util.ReflectionUtil.newInstance(ReflectionUtil.java:427)
at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.convertStub(ActionManagerImpl.java:146)
... 19 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.intellij.util.ReflectionUtil.newInstance(ReflectionUtil.java:419)
... 20 more
Caused by: java.lang.ExceptionInInitializerError
at com.intellij.execution.update.UpdateRunningApplicationAction.<init>(UpdateRunningApplicationAction.java:25)
... 25 more
Caused by: java.lang.IllegalStateException: @NotNull method com/intellij/openapi/util/IconLoader.getIcon must not return null
at com.intellij.openapi.util.IconLoader.$$$reportNull$$$0(IconLoader.java)
at com.intellij.openapi.util.IconLoader.getIcon(IconLoader.java:159)
at com.intellij.openapi.util.IconLoader.getIcon(IconLoader.java:118)
at com.intellij.icons.AllIcons$Javaee.<clinit>(AllIcons.java:1600)
... 26 more
PhpStorm 2018.3 EAP
Build #PS-183.3283.10, built on October 3, 2018
PhpStorm EAP User
Expiration date: November 2, 2018
JRE: 1.8.0_152-release-1343-b3 amd64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Windows 10 10.0
Material Theme UI version v2.10.0
No other non-bundled plugins installed/enabled
I need to fix those errors, as for the font, try to reinstall the Roboto font from Google Fonts.
Reinstalled all Roboto fonts and that fixed the majority of the issues but there are still items remaining in various places. Most buttons still borked, some menu and tree-view items as well.

Did you restart the computer? Otherwise you can try to disable the Material Fonts feature and see if that helps.
Restarted and the text issues seem resolved but the plugin is now causing the JavaScript Support plugin to throw the following error, disable Material Theme UI plugin and no more error:
java.lang.NoClassDefFoundError: Could not initialize class com.intellij.icons.AllIcons$Javaee
at com.intellij.lang.typescript.compiler.TypeScriptToolWindowProvider.<init>(TypeScriptToolWindowProvider.java:33)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.picocontainer.defaults.InstantiatingComponentAdapter.newInstance(InstantiatingComponentAdapter.java:193)
at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.doGetComponentInstance(CachingConstructorInjectionComponentAdapter.java:85)
at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.instantiateGuarded(CachingConstructorInjectionComponentAdapter.java:62)
at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.getComponentInstance(CachingConstructorInjectionComponentAdapter.java:45)
at com.intellij.openapi.components.impl.ServiceManagerImpl$MyComponentAdapter.getComponentInstance(ServiceManagerImpl.java:209)
at com.intellij.util.pico.DefaultPicoContainer.getLocalInstance(DefaultPicoContainer.java:246)
at com.intellij.util.pico.DefaultPicoContainer.getComponentInstance(DefaultPicoContainer.java:213)
at com.intellij.openapi.components.ServiceManager.doGetService(ServiceManager.java:52)
at com.intellij.openapi.components.ServiceManager.getService(ServiceManager.java:30)
at com.intellij.lang.typescript.compiler.TypeScriptToolWindowProvider.getToolWindow(TypeScriptToolWindowProvider.java:25)
at com.intellij.lang.typescript.compiler.languageService.TypeScriptServerServiceImpl.createToolWindow(TypeScriptServerServiceImpl.java:662)
at com.intellij.lang.javascript.service.JSAsyncLanguageServiceBase.<init>(JSAsyncLanguageServiceBase.java:43)
at com.intellij.lang.javascript.service.JSLanguageServiceBase.<init>(JSLanguageServiceBase.java:23)
at com.intellij.lang.typescript.compiler.TypeScriptCompilerService.<init>(TypeScriptCompilerService.java:132)
at com.intellij.lang.typescript.compiler.languageService.TypeScriptServerServiceImpl.<init>(TypeScriptServerServiceImpl.java:143)
at com.intellij.lang.typescript.compiler.languageService.TypeScriptServerServiceImpl.<init>(TypeScriptServerServiceImpl.java:137)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.picocontainer.defaults.InstantiatingComponentAdapter.newInstance(InstantiatingComponentAdapter.java:193)
at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.doGetComponentInstance(CachingConstructorInjectionComponentAdapter.java:85)
at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.instantiateGuarded(CachingConstructorInjectionComponentAdapter.java:62)
at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.getComponentInstance(CachingConstructorInjectionComponentAdapter.java:45)
at com.intellij.openapi.components.impl.ServiceManagerImpl$MyComponentAdapter.getComponentInstance(ServiceManagerImpl.java:209)
at com.intellij.util.pico.DefaultPicoContainer.getLocalInstance(DefaultPicoContainer.java:246)
at com.intellij.util.pico.DefaultPicoContainer.getComponentInstance(DefaultPicoContainer.java:213)
at com.intellij.openapi.components.ServiceManager.doGetService(ServiceManager.java:52)
at com.intellij.openapi.components.ServiceManager.getService(ServiceManager.java:30)
at com.intellij.lang.typescript.compiler.TypeScriptLanguageServiceProvider.getAllServices(TypeScriptLanguageServiceProvider.java:29)
at com.intellij.lang.javascript.service.JSLanguageServiceProvider.lambda$getLanguageServices$0(JSLanguageServiceProvider.java:24)
at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:267)
at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
at com.intellij.lang.javascript.service.JSLanguageServiceProvider.getLanguageServices(JSLanguageServiceProvider.java:24)
at com.intellij.lang.typescript.compiler.TypeScriptCompilerService.getAll(TypeScriptCompilerService.java:105)
at com.intellij.lang.typescript.compiler.TypeScriptCompilerSettingsTracker.getAdditionalSettings(TypeScriptCompilerSettingsTracker.java:49)
at com.intellij.lang.typescript.compiler.TypeScriptCompilerSettingsTracker.lambda$new$0(TypeScriptCompilerSettingsTracker.java:31)
at com.intellij.openapi.util.AtomicNotNullLazyValue$1.compute(AtomicNotNullLazyValue.java:60)
at com.intellij.openapi.util.AtomicNotNullLazyValue.getValue(AtomicNotNullLazyValue.java:38)
at com.intellij.lang.typescript.compiler.TypeScriptCompilerSettingsTracker.getModificationCount(TypeScriptCompilerSettingsTracker.java:37)
at com.intellij.util.CachedValueBase.getTimeStamp(CachedValueBase.java:157)
at com.intellij.psi.impl.PsiCachedValue.getTimeStamp(PsiCachedValue.java:101)
at com.intellij.util.CachedValueBase.collectDependencies(CachedValueBase.java:150)
at com.intellij.util.CachedValueBase.computeData(CachedValueBase.java:49)
at com.intellij.util.CachedValueBase.getValueWithLock(CachedValueBase.java:222)
at com.intellij.psi.impl.PsiCachedValue.getValueWithLock(PsiCachedValue.java:60)
at com.intellij.psi.impl.PsiCachedValueImpl.getValue(PsiCachedValueImpl.java:38)
at com.intellij.util.CachedValuesManagerImpl.getCachedValue(CachedValuesManagerImpl.java:87)
at com.intellij.psi.util.CachedValuesManager.getCachedValue(CachedValuesManager.java:139)
at com.intellij.lang.typescript.compiler.TypeScriptLanguageServiceAnnotatorCheckerProvider.isAvailable(TypeScriptLanguageServiceAnnotatorCheckerProvider.java:49)
at com.intellij.lang.javascript.ecmascript6.TypeScriptAnnotatorCheckerProvider.getCheckerProvider(TypeScriptAnnotatorCheckerProvider.java:47)
at com.intellij.lang.typescript.inspections.TypeScriptUnresolvedFunctionInspection.createVisitor(TypeScriptUnresolvedFunctionInspection.java:39)
at com.intellij.lang.typescript.inspections.TypeScriptUnresolvedFunctionInspection.createVisitor(TypeScriptUnresolvedFunctionInspection.java:21)
at com.intellij.lang.javascript.inspections.JSInspection.buildVisitor(JSInspection.java:60)
at com.intellij.codeInspection.InspectionEngine.createVisitorAndAcceptElements(InspectionEngine.java:53)
at com.intellij.codeInsight.daemon.impl.LocalInspectionsPass.runToolOnElements(LocalInspectionsPass.java:310)
at com.intellij.codeInsight.daemon.impl.LocalInspectionsPass.lambda$null$5(LocalInspectionsPass.java:278)
at com.intellij.util.AstLoadingFilter.disallowTreeLoading(AstLoadingFilter.java:126)
at com.intellij.util.AstLoadingFilter.disallowTreeLoading(AstLoadingFilter.java:115)
at com.intellij.codeInsight.daemon.impl.LocalInspectionsPass.lambda$visitPriorityElementsAndInit$6(LocalInspectionsPass.java:275)
at com.intellij.concurrency.ApplierCompleter.execAndForkSubTasks(ApplierCompleter.java:133)
at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1165)
at com.intellij.concurrency.ApplierCompleter.lambda$wrapInReadActionAndIndicator$1(ApplierCompleter.java:105)
at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:583)
at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:533)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:87)
at com.intellij.concurrency.ApplierCompleter.wrapInReadActionAndIndicator(ApplierCompleter.java:116)
at com.intellij.concurrency.ApplierCompleter.lambda$compute$0(ApplierCompleter.java:96)
at com.intellij.openapi.application.impl.ReadMostlyRWLock.executeByImpatientReader(ReadMostlyRWLock.java:147)
at com.intellij.openapi.application.impl.ApplicationImpl.executeByImpatientReader(ApplicationImpl.java:224)
at com.intellij.concurrency.ApplierCompleter.compute(ApplierCompleter.java:96)
at java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:731)
at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
at java.util.concurrent.ForkJoinPool$WorkQueue.pollAndExecCC(ForkJoinPool.java:1190)
at java.util.concurrent.ForkJoinPool.helpComplete(ForkJoinPool.java:1879)
at java.util.concurrent.ForkJoinPool.awaitJoin(ForkJoinPool.java:2045)
at java.util.concurrent.ForkJoinTask.doJoin(ForkJoinTask.java:390)
at java.util.concurrent.ForkJoinTask.join(ForkJoinTask.java:719)
at java.util.concurrent.ForkJoinPool.invoke(ForkJoinPool.java:2616)
at com.intellij.concurrency.JobLauncherImpl.invokeConcurrentlyUnderProgress(JobLauncherImpl.java:65)
at com.intellij.concurrency.JobLauncher.invokeConcurrentlyUnderProgress(JobLauncher.java:56)
at com.intellij.codeInsight.daemon.impl.LocalInspectionsPass.visitPriorityElementsAndInit(LocalInspectionsPass.java:281)
at com.intellij.codeInsight.daemon.impl.LocalInspectionsPass.inspect(LocalInspectionsPass.java:217)
at com.intellij.codeInsight.daemon.impl.LocalInspectionsPass.collectInformationWithProgress(LocalInspectionsPass.java:118)
at com.intellij.codeInsight.daemon.impl.ProgressableTextEditorHighlightingPass.doCollectInformation(ProgressableTextEditorHighlightingPass.java:84)
at com.intellij.codeHighlighting.TextEditorHighlightingPass.collectInformation(TextEditorHighlightingPass.java:69)
at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.lambda$null$1(PassExecutorService.java:423)
at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1170)
at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.lambda$doRun$2(PassExecutorService.java:416)
at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:583)
at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:533)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:87)
at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.doRun(PassExecutorService.java:415)
at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.lambda$run$0(PassExecutorService.java:391)
at com.intellij.openapi.application.impl.ReadMostlyRWLock.executeByImpatientReader(ReadMostlyRWLock.java:147)
at com.intellij.openapi.application.impl.ApplicationImpl.executeByImpatientReader(ApplicationImpl.java:224)
at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.run(PassExecutorService.java:389)
at com.intellij.concurrency.JobLauncherImpl$VoidForkJoinTask$1.exec(JobLauncherImpl.java:161)
at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)
Yep this should be fixed with the 2.9.1 release
Awesome... And thanks for the work and effort y'all put into this project, it's greatly appreciated...
Still have the error with the 2.9.1 release
That's odd... Can you tell me how to reproduce this issue ?
Running PHPStorm 2018.2.4
Material Theme Plugin 2.9.1
Windows 10 1809
Did clean install of Material Theme Plugin, still have the font issue.
When checking Appearance & Behavior > Appearance > Override Default fonts the issue is fixed
Got this on the log
java.lang.NoClassDefFoundError: Could not initialize class com.jetbrains.php.PhpIcons
at de.espend.idea.laravel.blade.TemplateLineMarker.collectTemplateFileRelatedFiles(TemplateLineMarker.java:227)
at de.espend.idea.laravel.blade.TemplateLineMarker.collectSlowLineMarkers(TemplateLineMarker.java:72)
at com.intellij.codeInsight.daemon.impl.LineMarkersPass.a(LineMarkersPass.java:197)
at com.intellij.codeInsight.daemon.impl.LineMarkersPass.a(LineMarkersPass.java:104)
at com.intellij.codeInsight.daemon.impl.Divider.divideInsideAndOutsideInOneRoot(Divider.java:80)
at com.intellij.codeInsight.daemon.impl.LineMarkersPass.doCollectInformation(LineMarkersPass.java:91)
at com.intellij.codeHighlighting.TextEditorHighlightingPass.collectInformation(TextEditorHighlightingPass.java:69)
at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.c(PassExecutorService.java:423)
at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1161)
at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.b(PassExecutorService.java:416)
at com.intellij.openapi.progress.impl.CoreProgressManager.a(CoreProgressManager.java:580)
at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:525)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:85)
at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.d(PassExecutorService.java:415)
at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.a(PassExecutorService.java:391)
at com.intellij.openapi.application.impl.ReadMostlyRWLock.executeByImpatientReader(ReadMostlyRWLock.java:147)
at com.intellij.openapi.application.impl.ApplicationImpl.executeByImpatientReader(ApplicationImpl.java:222)
at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.run(PassExecutorService.java:389)
at com.intellij.concurrency.JobLauncherImpl$VoidForkJoinTask$1.exec(JobLauncherImpl.java:161)
at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)

Can you print here your list of plugins ?
.env files support (0.7)
.ignore (3.0.0.182)
AngularJS (182.4505.42)
ANSI Highlighter (1.2.4)
Apache config (.htaccess) support (182.4505.42)
ASP (0.1)
Behat Support (182.4505.42)
Blade Support (182.4505.42)
Codeception Framework (182.4505.42)
CodeGlance (1.5.4)
CoffeeScript (182.4505.42)
Command Line Tool Support (182.4505.42)
Copyright (8.1)
CSS Support (182.4505.42)
CVS Integration (11)
Database Tools and SQL (182.4505.42)
Docker integration (182.4505.42)
Drupal Support (182.4505.42)
File Watchers (182.4505.42)
Gherkin (999.999)
Git Integration (8.1)
GitHub (182.4505.42)
GNU GetText files support (*.po) (182.4505.42)
Haml (182.4505.42)
HTML Tools (2.0)
HTTP Client (182.4505.42)
hunspell (1.0)
IDE Settings Sync (182.4505.42)
Ideolog (182.0.7.0)
Ini4Idea (182.4505.42)
IntelliLang (8.0)
JavaScript Debugger (1.0)
JavaScript Intention Power Pack (0.9.4)
JavaScript Support (1.0)
Joomla! Support (182.4505.42)
Laravel Plugin (0.15)
Less support (182.4505.42)
Markdown support (182.4505.42)
Material Theme UI (2.9.1)
Mercurial Integration (10.0)
NodeJS (182.4505.42)
Perforce Integration (2.0)
Performance Testing (182.4505.42)
Phing Support (182.4505.42)
PHP composer.json support (1.0.25)
PHP Docker (182.4505.42)
Php Inspections (EA Extended) (3.0.6.1)
PHP Remote Interpreter (182.4505.42)
PHPSpec BDD Framework (182.4505.42)
PhpStorm Workshop (182.4505.42)
Refactor-X (2.01)
Remote Hosts Access (0.1)
ReStructuredText Support (182.4505.42)
Sass support (182.4505.42)
Settings Repository (182.4505.42)
SSH Remote Run (0.1)
Subversion Integration (1.1)
Task Management (1.0)
Terminal (0.1)
TextMate bundles support (182.4505.42)
Time Tracking (1.0)
tslint (182.4505.42)
Twig Support (182.4505.42)
UML Support (1.0)
Vagrant (182.4505.42)
Vue.js (182.4505.42)
W3C Validators (2.0)
WordPress Support (182.4505.42)
XPathView + XSLT Support (4)
XSLT-Debugger (1.4)
YAML (182.4505.42)
Still can't reproduce. Perhaps you have a project that i can clone and check ?
I had the same issue in WebStorm after the Windows Update. Reinstalling Roboto (as you mentioned) and rebooting the PC solved it. Thanks!
Managed to fix it.
Had to uninstall all Roboto fonts from Windows
Restart Windows
Download Roboto fonts from Google Fonts
Install new Roboto fonts
Restart Windows
Had the same issue, although it got fixed using Roboto Fonts.
Thanks everyone for the Resolution.
Most helpful comment
Managed to fix it.
Had to uninstall all Roboto fonts from Windows
Restart Windows
Download Roboto fonts from Google Fonts
Install new Roboto fonts
Restart Windows