diff --git a/libs/remix-tests/src/compiler.ts b/libs/remix-tests/src/compiler.ts
index c287ca3677..740a306931 100644
--- a/libs/remix-tests/src/compiler.ts
+++ b/libs/remix-tests/src/compiler.ts
@@ -1,6 +1,7 @@
 import fs from './fileSystem'
 import async from 'async'
 import path from 'path'
+import deepequal from 'deep-equal'
 import Log from './logger'
 import { Compiler as RemixCompiler } from '@remix-project/remix-solidity'
 import { SrcIfc, CompilerConfiguration, CompilationErrors } from './types'
@@ -170,7 +171,8 @@ export function compileFileOrFiles (filename: string, isDirectory: boolean, opts
  * @param opts Options
  * @param cb Callback
  */
-export function compileContractSources (sources: SrcIfc, compiler: any, opts: any, cb): void {
+export function compileContractSources (sources: SrcIfc, newCompConfig: any, importFileCb, UTRunner, opts: any, cb): void {
+  let compiler
   const filepath = opts.testFilePath || ''
   const testFileImportRegEx = /^(import)\s['"](remix_tests.sol|tests.sol)['"];/gm
 
@@ -183,8 +185,28 @@ export function compileContractSources (sources: SrcIfc, compiler: any, opts: an
   }
 
   async.waterfall([
-    function doCompilation (next) {
+    (next) => {
+      if (!deepequal(UTRunner.compilerConfig, newCompConfig)) {
+        UTRunner.compilerConfig = newCompConfig
+        const { currentCompilerUrl, evmVersion, optimize, runs, usingWorker } = newCompConfig
+        compiler = new RemixCompiler(importFileCb)
+        compiler.set('evmVersion', evmVersion)
+        compiler.set('optimize', optimize)
+        compiler.set('runs', runs)
+        compiler.loadVersion(usingWorker, currentCompilerUrl)
+        // @ts-ignore
+        compiler.event.register('compilerLoaded', this, (version) => {
+          next()
+        })
+      } else {
+        compiler = UTRunner.compiler
+        next()
+      }
+    },
+    (next) => {
       const compilationFinishedCb = (success, data, source) => {
+        // data.error usually exists for exceptions like worker error etc.
+        if (!data.error) UTRunner.compiler = compiler
         if (opts && opts.event) opts.event.emit('compilationFinished', success, data, source)
         next(null, data)
       }
diff --git a/libs/remix-tests/src/runTestSources.ts b/libs/remix-tests/src/runTestSources.ts
index 0f2a72cea5..40f0d87788 100644
--- a/libs/remix-tests/src/runTestSources.ts
+++ b/libs/remix-tests/src/runTestSources.ts
@@ -1,6 +1,4 @@
 import async, { ErrorCallback } from 'async'
-import deepequal from 'deep-equal'
-import { Compiler as RemixCompiler } from '@remix-project/remix-solidity'
 import { compileContractSources, writeTestAccountsContract } from './compiler'
 import { deployAll } from './deployer'
 import { runTest } from './testRunner'
@@ -50,29 +48,13 @@ export class UnitTestRunner {
    * @param importFileCb Import file callback
    * @param opts Options
    */
-  async runTestSources (contractSources: SrcIfc, compilerConfig: CompilerConfiguration, testCallback, resultCallback, deployCb:any, finalCallback: any, importFileCb, opts: Options) {
+  async runTestSources (contractSources: SrcIfc, newCompilerConfig: CompilerConfiguration, testCallback, resultCallback, deployCb:any, finalCallback: any, importFileCb, opts: Options) {
     opts = opts || {}
     const sourceASTs: any = {}
     if (opts.web3 || opts.accounts) this.init(opts.web3, opts.accounts)
-
     async.waterfall([
       (next) => {
-        if (!deepequal(this.compilerConfig, compilerConfig)) {
-          this.compilerConfig = compilerConfig
-          const { currentCompilerUrl, evmVersion, optimize, runs, usingWorker } = compilerConfig
-          this.compiler = new RemixCompiler(importFileCb)
-          this.compiler.set('evmVersion', evmVersion)
-          this.compiler.set('optimize', optimize)
-          this.compiler.set('runs', runs)
-          this.compiler.loadVersion(usingWorker, currentCompilerUrl)
-          // @ts-ignore
-          this.compiler.event.register('compilerLoaded', this, (version) => {
-            next()
-          })
-        } else next()
-      },
-      (next) => {
-        compileContractSources(contractSources, this.compiler, { accounts: this.testsAccounts, testFilePath: opts.testFilePath, event: this.event }, next)
+        compileContractSources(contractSources, newCompilerConfig, importFileCb, this, { accounts: this.testsAccounts, testFilePath: opts.testFilePath, event: this.event }, next)
       },
       (compilationResult: compilationInterface, asts: ASTInterface, next) => {
         for (const filename in asts) {
diff --git a/libs/remix-ui/editor/src/lib/remix-ui-editor.css b/libs/remix-ui/editor/src/lib/remix-ui-editor.css
index af7cd06bfd..ad1c9a7d5b 100644
--- a/libs/remix-ui/editor/src/lib/remix-ui-editor.css
+++ b/libs/remix-ui/editor/src/lib/remix-ui-editor.css
@@ -10,6 +10,11 @@
     width: auto;
 }
 
+.monaco-hover .markdown-hover > .hover-contents:not(.code-hover-contents) {
+    max-width: none !important;
+    word-wrap: break-word;
+}
+
 .contextview {
     opacity: 1;
     position: absolute;
diff --git a/libs/remix-ui/home-tab/src/lib/remix-ui-home-tab.css b/libs/remix-ui/home-tab/src/lib/remix-ui-home-tab.css
index d0d2c6dcd2..54c71b16c5 100644
--- a/libs/remix-ui/home-tab/src/lib/remix-ui-home-tab.css
+++ b/libs/remix-ui/home-tab/src/lib/remix-ui-home-tab.css
@@ -1,5 +1,6 @@
 .remixui_home_text {
   cursor: pointer;
+  font-size: 0.8rem;
   font-weight: normal;
   max-width: 300px;
 }
diff --git a/libs/remix-ui/home-tab/src/lib/remix-ui-home-tab.tsx b/libs/remix-ui/home-tab/src/lib/remix-ui-home-tab.tsx
index 18d0649988..ecbca46eb7 100644
--- a/libs/remix-ui/home-tab/src/lib/remix-ui-home-tab.tsx
+++ b/libs/remix-ui/home-tab/src/lib/remix-ui-home-tab.tsx
@@ -125,6 +125,7 @@ export const RemixUiHomeTab = (props: RemixUiHomeTabProps) => {
   }
 
   const createNewFile = async () => {
+    plugin.verticalIcons.select('filePanel')
     await plugin.call('filePanel', 'createNewFile')
   }
 
@@ -261,21 +262,22 @@ export const RemixUiHomeTab = (props: RemixUiHomeTabProps) => {
                 <h4>File</h4>
                 <p className="mb-1">
                   <i className="mr-2 far fa-file"></i>
-                  <span className="ml-1 mb-1 remixui_home_text" onClick={() => createNewFile()}>New File</span>
+                  <label className="ml-1 mb-1 remixui_home_text" onClick={() => createNewFile()}>New File</label>
                 </p>
                 <p className="mb-1">
                   <i className="mr-2 far fa-file-alt"></i>
-                  <span className="ml-1 remixui_home_labelIt remixui_home_bigLabelSize remixui_home_text">
+                  <label className="ml-1 remixui_home_labelIt remixui_home_bigLabelSize} remixui_home_text" htmlFor="openFileInput">
                     Open Files
-                    <input title="open file" type="file" onChange={(event) => {
-                      event.stopPropagation()
-                      uploadFile(event.target)
-                    }} multiple />
-                  </span>
+                  </label>
+                  <input title="open file" type="file" id="openFileInput" onChange={(event) => {
+                    event.stopPropagation()
+                    plugin.verticalIcons.select('filePanel')
+                    uploadFile(event.target)
+                  }} multiple />
                 </p>
                 <p className="mb-1">
                   <i className="mr-1 far fa-hdd"></i>
-                  <span className="ml-1 remixui_home_text" onClick={() => connectToLocalhost()}>Connect to Localhost</span>
+                  <label className="ml-1 remixui_home_text" onClick={() => connectToLocalhost()}>Connect to Localhost</label>
                 </p>
                 <p className="mt-3 mb-0"><label>LOAD FROM:</label></p>
                 <div className="btn-group">
@@ -301,7 +303,7 @@ export const RemixUiHomeTab = (props: RemixUiHomeTabProps) => {
                 </p>
                 <p className="mb-1">
                   <i className="mr-2 fab fa-ethereum remixui_home_image"></i>
-                  <span className="remixui_home_text" onClick={() => switchToPreviousVersion()}>Old experience</span>
+                  <label className="remixui_home_text" onClick={() => switchToPreviousVersion()}>Old experience</label>
                 </p>
               </div>
             </div>