diff --git a/.linux_bintray.json b/.linux_bintray.json
index c755d43d..5cf93df0 100644
--- a/.linux_bintray.json
+++ b/.linux_bintray.json
@@ -16,10 +16,10 @@
     },
 
     "version": {
-        "name": "2.8.2",
+        "name": "2.9",
         "desc": "VNote Releases",
-        "released": "2019-12-20",
-        "vcs_tag": "2.8.2",
+        "released": "2020-03-27",
+        "vcs_tag": "2.9",
         "gpgSign": false
     },
 
diff --git a/.macos_bintray.json b/.macos_bintray.json
index 329838d4..de564192 100644
--- a/.macos_bintray.json
+++ b/.macos_bintray.json
@@ -16,10 +16,10 @@
     },
 
     "version": {
-        "name": "2.8.2",
+        "name": "2.9",
         "desc": "VNote Releases",
-        "released": "2019-12-20",
-        "vcs_tag": "2.8.2",
+        "released": "2020-03-27",
+        "vcs_tag": "2.9",
         "gpgSign": false
     },
 
diff --git a/.travis.yml b/.travis.yml
index c50d6bb6..b72ba092 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,7 +19,7 @@ branches:
 before_install:
 - if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test; fi
 - if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then sudo apt-get -qq update ; fi
-- export version="2.8.2"
+- export version="2.9"
 
 install:
 - if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then sudo -E apt-get -yq --no-install-suggests --no-install-recommends --force-yes install p7zip-full ; fi
diff --git a/appveyor.yml b/appveyor.yml
index 14824ef6..164ff047 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,6 +1,6 @@
 image: Visual Studio 2015
 
-version: 2.8.2.{build}
+version: 2.9.{build}
 
 branches:
     only:
@@ -39,7 +39,7 @@ build_script:
 
 # scripts that run after build
 after_build:
-    - set vnote_version=2.8.2
+    - set vnote_version=2.9
     # Clone OpenSSL DLLs
     - git clone https://github.com/tamlok/openssl-utils.git openssl-utils.git
     - mkdir distrib\VNote
@@ -72,7 +72,7 @@ deploy:
       subject: tamlok
       repo: vnote
       package: vnote
-      version: 2.8.2
+      version: 2.9
       publish: true
       override: true
       artifact: portable
diff --git a/changes.md b/changes.md
index de9a7476..978ae74d 100644
--- a/changes.md
+++ b/changes.md
@@ -1,4 +1,9 @@
 # Changes History
+## v2.9
+- Upgrade to MathJax v3;
+- Support `e` command in Vim mode; (@gydeng)
+- Fix start issue on macOS (no need to add `-m` option);
+
 ## v2.8.2
 - Upgrade Mermaid.js;
 
diff --git a/src/vconfigmanager.cpp b/src/vconfigmanager.cpp
index d842c60c..01b15efe 100644
--- a/src/vconfigmanager.cpp
+++ b/src/vconfigmanager.cpp
@@ -20,7 +20,7 @@ const QString VConfigManager::orgName = QString("vnote");
 
 const QString VConfigManager::appName = QString("vnote");
 
-const QString VConfigManager::c_version = QString("2.8.2");
+const QString VConfigManager::c_version = QString("2.9");
 
 const QString VConfigManager::c_dirConfigFile = QString("_vnote.json");