diff --git a/libs/remix-analyzer/package.json b/libs/remix-analyzer/package.json
index 440772df15..c9b875ec1c 100644
--- a/libs/remix-analyzer/package.json
+++ b/libs/remix-analyzer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@remix-project/remix-analyzer",
-  "version": "0.5.13",
+  "version": "0.5.14",
   "description": "Tool to perform static analysis on Solidity smart contracts",
   "main": "index.js",
   "types": ".index.d.ts",
@@ -23,7 +23,7 @@
     "@ethereumjs/tx": "^3.3.0",
     "@ethereumjs/vm": "^5.5.0",
     "@remix-project/remix-astwalker": "^0.0.26",
-    "@remix-project/remix-lib": "^0.5.4",
+    "@remix-project/remix-lib": "^0.5.5",
     "async": "^2.6.2",
     "ethereumjs-util": "^7.0.10",
     "ethers": "^5.4.2",
@@ -51,5 +51,5 @@
     "typescript": "^3.7.5"
   },
   "typings": "index.d.ts",
-  "gitHead": "664824605fa84648c79770631da371d4f81e0052"
+  "gitHead": "df7abe1c219e361a947031d620f4ae6e3786a4d7"
 }
\ No newline at end of file
diff --git a/libs/remix-astwalker/package.json b/libs/remix-astwalker/package.json
index 5aed5d8ba9..6054263f6f 100644
--- a/libs/remix-astwalker/package.json
+++ b/libs/remix-astwalker/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@remix-project/remix-astwalker",
-  "version": "0.0.34",
+  "version": "0.0.35",
   "description": "Tool to walk through Solidity AST",
   "main": "index.js",
   "scripts": {
@@ -37,7 +37,7 @@
     "@ethereumjs/block": "^3.4.0",
     "@ethereumjs/tx": "^3.3.0",
     "@ethereumjs/vm": "^5.5.0",
-    "@remix-project/remix-lib": "^0.5.4",
+    "@remix-project/remix-lib": "^0.5.5",
     "@types/tape": "^4.2.33",
     "async": "^2.6.2",
     "ethereumjs-util": "^7.0.10",
@@ -53,5 +53,5 @@
     "tap-spec": "^5.0.0"
   },
   "typings": "index.d.ts",
-  "gitHead": "664824605fa84648c79770631da371d4f81e0052"
+  "gitHead": "df7abe1c219e361a947031d620f4ae6e3786a4d7"
 }
\ No newline at end of file
diff --git a/libs/remix-debug/package.json b/libs/remix-debug/package.json
index 64790105a2..6691d37d1d 100644
--- a/libs/remix-debug/package.json
+++ b/libs/remix-debug/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@remix-project/remix-debug",
-  "version": "0.5.4",
+  "version": "0.5.5",
   "description": "Tool to debug Ethereum transactions",
   "contributors": [
     {
@@ -23,7 +23,7 @@
     "@ethereumjs/tx": "^3.3.0",
     "@ethereumjs/vm": "^5.5.0",
     "@remix-project/remix-astwalker": "^0.0.26",
-    "@remix-project/remix-lib": "^0.5.4",
+    "@remix-project/remix-lib": "^0.5.5",
     "async": "^2.6.2",
     "commander": "^2.19.0",
     "deep-equal": "^1.0.1",
@@ -61,5 +61,5 @@
   },
   "homepage": "https://github.com/ethereum/remix-project/tree/master/libs/remix-debug#readme",
   "typings": "src/index.d.ts",
-  "gitHead": "664824605fa84648c79770631da371d4f81e0052"
+  "gitHead": "df7abe1c219e361a947031d620f4ae6e3786a4d7"
 }
\ No newline at end of file
diff --git a/libs/remix-lib/package.json b/libs/remix-lib/package.json
index 76c57ea25e..59a6770087 100644
--- a/libs/remix-lib/package.json
+++ b/libs/remix-lib/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@remix-project/remix-lib",
-  "version": "0.5.4",
+  "version": "0.5.5",
   "description": "Library to various Remix tools",
   "contributors": [
     {
@@ -53,5 +53,5 @@
   },
   "homepage": "https://github.com/ethereum/remix-project/tree/master/libs/remix-lib#readme",
   "typings": "src/index.d.ts",
-  "gitHead": "664824605fa84648c79770631da371d4f81e0052"
+  "gitHead": "df7abe1c219e361a947031d620f4ae6e3786a4d7"
 }
\ No newline at end of file
diff --git a/libs/remix-simulator/package.json b/libs/remix-simulator/package.json
index c594eeb1a4..5a99b8dd63 100644
--- a/libs/remix-simulator/package.json
+++ b/libs/remix-simulator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@remix-project/remix-simulator",
-  "version": "0.2.4",
+  "version": "0.2.5",
   "description": "Ethereum IDE and tools for the web",
   "contributors": [
     {
@@ -18,7 +18,7 @@
     "@ethereumjs/common": "^2.2.0",
     "@ethereumjs/tx": "^3.3.0",
     "@ethereumjs/vm": "^5.5.0",
-    "@remix-project/remix-lib": "^0.5.4",
+    "@remix-project/remix-lib": "^0.5.5",
     "ansi-gray": "^0.1.1",
     "async": "^3.1.0",
     "body-parser": "^1.18.2",
@@ -66,5 +66,5 @@
   },
   "homepage": "https://github.com/ethereum/remix-project/tree/master/libs/remix-simulator#readme",
   "typings": "src/index.d.ts",
-  "gitHead": "664824605fa84648c79770631da371d4f81e0052"
+  "gitHead": "df7abe1c219e361a947031d620f4ae6e3786a4d7"
 }
\ No newline at end of file
diff --git a/libs/remix-solidity/package.json b/libs/remix-solidity/package.json
index 5883c43f1c..a3974fd364 100644
--- a/libs/remix-solidity/package.json
+++ b/libs/remix-solidity/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@remix-project/remix-solidity",
-  "version": "0.4.4",
+  "version": "0.4.5",
   "description": "Tool to load and run Solidity compiler",
   "main": "index.js",
   "types": "./index.d.ts",
@@ -18,7 +18,7 @@
     "@ethereumjs/block": "^3.4.0",
     "@ethereumjs/tx": "^3.3.0",
     "@ethereumjs/vm": "^5.5.0",
-    "@remix-project/remix-lib": "^0.5.4",
+    "@remix-project/remix-lib": "^0.5.5",
     "async": "^2.6.2",
     "eslint-scope": "^5.0.0",
     "ethereumjs-util": "^7.0.10",
@@ -59,5 +59,5 @@
   },
   "homepage": "https://github.com/ethereum/remix-project/tree/master/libs/remix-solidity#readme",
   "typings": "index.d.ts",
-  "gitHead": "664824605fa84648c79770631da371d4f81e0052"
+  "gitHead": "df7abe1c219e361a947031d620f4ae6e3786a4d7"
 }
\ No newline at end of file
diff --git a/libs/remix-tests/package.json b/libs/remix-tests/package.json
index af29fd82d4..b07486c5ad 100644
--- a/libs/remix-tests/package.json
+++ b/libs/remix-tests/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@remix-project/remix-tests",
-  "version": "0.2.4",
+  "version": "0.2.5",
   "description": "Tool to test Solidity smart contracts",
   "main": "src/index.js",
   "types": "./src/index.d.ts",
@@ -39,9 +39,9 @@
     "@ethereumjs/common": "^2.2.0",
     "@ethereumjs/tx": "^3.3.0",
     "@ethereumjs/vm": "^5.5.0",
-    "@remix-project/remix-lib": "^0.5.4",
-    "@remix-project/remix-simulator": "^0.2.4",
-    "@remix-project/remix-solidity": "^0.4.4",
+    "@remix-project/remix-lib": "^0.5.5",
+    "@remix-project/remix-simulator": "^0.2.5",
+    "@remix-project/remix-solidity": "^0.4.5",
     "ansi-gray": "^0.1.1",
     "async": "^2.6.0",
     "axios": ">=0.21.1",
@@ -77,5 +77,5 @@
     "typescript": "^3.3.1"
   },
   "typings": "src/index.d.ts",
-  "gitHead": "664824605fa84648c79770631da371d4f81e0052"
+  "gitHead": "df7abe1c219e361a947031d620f4ae6e3786a4d7"
 }
\ No newline at end of file
diff --git a/libs/remix-ui/clipboard/src/lib/copy-to-clipboard/copy-to-clipboard.tsx b/libs/remix-ui/clipboard/src/lib/copy-to-clipboard/copy-to-clipboard.tsx
index cea2b0d7a1..a892831d99 100644
--- a/libs/remix-ui/clipboard/src/lib/copy-to-clipboard/copy-to-clipboard.tsx
+++ b/libs/remix-ui/clipboard/src/lib/copy-to-clipboard/copy-to-clipboard.tsx
@@ -40,6 +40,7 @@ export const CopyToClipboard = (props: ICopyToClipboard) => {
   }
 
   return (
+    // eslint-disable-next-line jsx-a11y/anchor-is-valid
     <a href='#' onClick={handleClick} onMouseLeave={reset}>
       <OverlayTrigger placement={direction} overlay={
         <Tooltip id="overlay-tooltip">
diff --git a/libs/remix-ui/solidity-compiler/src/lib/compiler-container.tsx b/libs/remix-ui/solidity-compiler/src/lib/compiler-container.tsx
index b207d21e85..84059151ca 100644
--- a/libs/remix-ui/solidity-compiler/src/lib/compiler-container.tsx
+++ b/libs/remix-ui/solidity-compiler/src/lib/compiler-container.tsx
@@ -5,6 +5,7 @@ import * as helper from '../../../../../apps/remix-ide/src/lib/helper'
 import { canUseWorker, baseURLBin, baseURLWasm, urlFromVersion, pathToURL, promisedMiniXhr } from '@remix-project/remix-solidity'
 import { compilerReducer, compilerInitialState } from './reducers/compiler'
 import { resetEditorMode, listenToEvents } from './actions/compiler'
+import { OverlayTrigger, Tooltip } from 'react-bootstrap' // eslint-disable-line
 
 import './css/style.css'
 
@@ -572,11 +573,18 @@ export const CompilerContainer = (props: CompilerContainerProps) => {
             </div>
           </div>
           {
-            isHardHatProject && <div className="mt-2 remixui_compilerConfig custom-control custom-checkbox">
+            isHardHatProject &&
+            <div className="mt-3 remixui_compilerConfig custom-control custom-checkbox">
               <input className="remixui_autocompile custom-control-input" onChange={updatehhCompilation} id="enableHardhat" type="checkbox" title="Enable Hardhat Compilation" checked={hhCompilation} />
               <label className="form-check-label custom-control-label" htmlFor="enableHardhat">Enable Hardhat Compilation</label>
-              <a href="https://remix-ide.readthedocs.io/en/latest/hardhat.html#enable-hardhat-compilation" target="_blank">
-                <i className="ml-2 fas fa-info" title="Know how to use Hardhat Compilation"></i>
+              <a className="mt-1 text-nowrap" href='https://remix-ide.readthedocs.io/en/latest/hardhat.html#enable-hardhat-compilation' target={'_blank'}>
+                <OverlayTrigger placement={'right'} overlay={
+                  <Tooltip className="text-nowrap" id="overlay-tooltip">
+                    <span className="p-1 pr-3" style={{ backgroundColor: 'black', minWidth: '230px' }}>Learn how to use Hardhat Compilation</span>
+                  </Tooltip>
+                }>
+                  <i style={{ fontSize: 'medium' }} className={'ml-2 fal fa-info-circle'} aria-hidden="true"></i>
+                </OverlayTrigger>
               </a>
             </div>
           }
diff --git a/libs/remix-ui/static-analyser/src/lib/remix-ui-static-analyser.tsx b/libs/remix-ui/static-analyser/src/lib/remix-ui-static-analyser.tsx
index 6849e47c8f..e21fd83f97 100644
--- a/libs/remix-ui/static-analyser/src/lib/remix-ui-static-analyser.tsx
+++ b/libs/remix-ui/static-analyser/src/lib/remix-ui-static-analyser.tsx
@@ -1,4 +1,4 @@
-import React, { useEffect, useState, useReducer, CSSProperties } from 'react'
+import React, { useEffect, useState, useReducer } from 'react'
 import Button from './Button/StaticAnalyserButton' // eslint-disable-line
 import remixLib from '@remix-project/remix-lib'
 import _ from 'lodash'
@@ -7,6 +7,7 @@ import { RemixUiCheckbox } from '@remix-ui/checkbox' // eslint-disable-line
 import ErrorRenderer from './ErrorRenderer' // eslint-disable-line
 import { compilation } from './actions/staticAnalysisActions'
 import { initialState, analysisReducer } from './reducers/staticAnalysisReducer'
+import { OverlayTrigger, Tooltip } from 'react-bootstrap'// eslint-disable-line
 const StaticAnalysisRunner = require('@remix-project/remix-analyzer').CodeAnalysis
 const utils = remixLib.util
 
@@ -56,7 +57,7 @@ export const RemixUiStaticAnalyser = (props: RemixUiStaticAnalyserProps) => {
   }
   const [autoRun, setAutoRun] = useState(true)
   const [slitherEnabled, setSlitherEnabled] = useState(false)
-  const [showSlither, setShowSlither] = useState('hidden')
+  const [showSlither, setShowSlither] = useState(false)
   const [categoryIndex, setCategoryIndex] = useState(groupedModuleIndex(groupedModules))
 
   const warningContainer = React.useRef(null)
@@ -88,9 +89,9 @@ export const RemixUiStaticAnalyser = (props: RemixUiStaticAnalyserProps) => {
       // Reset state
       dispatch({ type: '', payload: {} })
       // Show 'Enable Slither Analysis' checkbox
-      if (currentWorkspace && currentWorkspace.isLocalhost === true) setShowSlither('visible')
+      if (currentWorkspace && currentWorkspace.isLocalhost === true) setShowSlither(true)
       else {
-        setShowSlither('hidden')
+        setShowSlither(false)
         setSlitherEnabled(false)
       }
     })
@@ -103,7 +104,7 @@ export const RemixUiStaticAnalyser = (props: RemixUiStaticAnalyserProps) => {
         props.event.trigger('staticAnaysisWarning', [])
         // Reset state
         dispatch({ type: '', payload: {} })
-        setShowSlither('hidden')
+        setShowSlither(false)
         setSlitherEnabled(false)
       }
     })
@@ -414,19 +415,28 @@ export const RemixUiStaticAnalyser = (props: RemixUiStaticAnalyserProps) => {
           />
           <Button buttonText="Run" onClick={() => run(state.data, state.source, state.file)} disabled={(state.data === null || categoryIndex.length === 0) && !slitherEnabled }/>
         </div>
-        <div className="d-flex" id="enableSlitherAnalysis" style={{ visibility: showSlither } as CSSProperties }>
-          <RemixUiCheckbox
-            id="enableSlither"
-            inputType="checkbox"
-            onClick={handleSlitherEnabled}
-            checked={slitherEnabled}
-            label="Enable Slither Analysis"
-            onChange={() => {}}
-          />
-          <a href="https://remix-ide.readthedocs.io/en/latest/slither.html#enable-slither-analysis" target="_blank">
-            <i className="ml-3 fas fa-info" title="Know how to use Slither Analysis"></i>
-          </a>
-        </div>
+        { showSlither &&
+          <div className="d-flex mt-2" id="enableSlitherAnalysis">
+            <RemixUiCheckbox
+              id="enableSlither"
+              inputType="checkbox"
+              onClick={handleSlitherEnabled}
+              checked={slitherEnabled}
+              label="Enable Slither Analysis"
+              onChange={() => {}}
+            />
+
+            <a className="mt-1 text-nowrap" href='https://remix-ide.readthedocs.io/en/latest/slither.html#enable-slither-analysis' target={'_blank'}>
+              <OverlayTrigger placement={'right'} overlay={
+                <Tooltip className="text-nowrap" id="overlay-tooltip">
+                  <span className="p-1 pr-3" style={{ backgroundColor: 'black', minWidth: '230px' }}>Learn how to use Slither Analysis</span>
+                </Tooltip>
+              }>
+                <i style={{ fontSize: 'medium' }} className={'fal fa-info-circle ml-3'} aria-hidden="true"></i>
+              </OverlayTrigger>
+            </a>
+          </div>
+        }
       </div>
       <div id="staticanalysismodules" className="list-group list-group-flush">
         {Object.keys(groupedModules).map((categoryId, i) => {
diff --git a/libs/remix-url-resolver/package.json b/libs/remix-url-resolver/package.json
index edd1a95af7..a9b6770890 100644
--- a/libs/remix-url-resolver/package.json
+++ b/libs/remix-url-resolver/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@remix-project/remix-url-resolver",
-  "version": "0.0.25",
+  "version": "0.0.26",
   "description": "Solidity import url resolver engine",
   "main": "index.js",
   "types": "./index.d.ts",
@@ -42,5 +42,5 @@
     "typescript": "^3.1.6"
   },
   "typings": "index.d.ts",
-  "gitHead": "664824605fa84648c79770631da371d4f81e0052"
+  "gitHead": "df7abe1c219e361a947031d620f4ae6e3786a4d7"
 }
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 0e12429f93..bbbcebca78 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "remix-project",
-  "version": "0.16.0-dev",
+  "version": "0.16.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index e9ea448f5d..5ca09c3353 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "remix-project",
-  "version": "0.16.0-dev",
+  "version": "0.16.0",
   "license": "MIT",
   "description": "Ethereum Remix Monorepo",
   "keywords": [