diff --git a/.node-version b/.node-version
index fac0b0a8394d..6d80269a4f04 100644
--- a/.node-version
+++ b/.node-version
@@ -1 +1 @@
-16.20.0
+18.16.0
diff --git a/.nvmrc b/.nvmrc
index fac0b0a8394d..6d80269a4f04 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-16.20.0
+18.16.0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c58c93fe67d..a52ad7ad03cb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,57 +2,172 @@
 
 Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
-## [Unreleased] (https://github.com/opensearch-project/OpenSearch-Dashboards/compare/2.8.0...HEAD)
+## [Unreleased] (https://github.com/opensearch-project/OpenSearch-Dashboards/compare/2.9.0...HEAD)
 
 ### Deprecations
 
 ### 🛡 Security
+- Bump word-wrap from 1.2.3 to 1.2.4 ([#4589](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4589))
+- Bump version of tinygradient from 0.4.3 to 1.1.5 ([#4742](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4742))
+- Bump lmdb from 2.8.0 to 2.8.5 ([#4804](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4804))
+- Alias and bump mocha ([#4874](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4874))
+
+### 📈 Features/Enhancements
+- [Vis colors] Update legacy mapped colors in charts plugin to use ouiPaletteColorBlind() ([#4398](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4398))
+- Chore (home): Update visual consistency dashboard TSVB colors ([#4501](http://github.com/opensearch-project/OpenSearch-Dashboards/pull/4501))
+- Feature (home): Update visual consistency sample dashboard with more vis ([#4581](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4581))
+- Add resource ID filtering in fetch augment-vis obj queries ([#4608](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4608))
+- Enable theme-switching via Advanced Settings to preview the Next theme ([#4475](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4475))
+- Feat (home): Add remaining vis type examples ([#4619](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4619))
+- Feat (Discover): Update styles to be compatible with next theme ([#4644](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4644))
+- Update webpack environment targets ([#4649](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4649))
+- [Table Visualization] Replace div containers with OuiFlex components ([#4272](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4272))
+- Reduce the amount of comments in compiled CSS ([#4648](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4648))
+- Feat (home): Remove color customizations from sample dashboards ([#4741](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4741))
+- Remove visualization editor background ([#4719](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4719))
+- Add saved objects service status api ([#4696](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4696))
+- Allow plugin manifest config to define semver compatible OpenSearch plugin and verify if it is installed on the cluster ([#4612](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4612))
+- Eliminate duplicate dashboard breadcrumb text ID ([#4805](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4805))
+- [@osd/pm] Automate multi-target bootstrap and build ([#4650](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4650))
+- [Data Explorer] Merge to main ([#4806](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4806))
+- [Data Explorer][Discover 2.0] Restore single and surroundings doc view ([#4816](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4816))
+- [Data Explorer][Discover 2.0] Add missing change interval on TimeChart and improve fetch ([#4850](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4850))
+- [Data Explorer][Discover 2.0] Replace hide column and add move left/right ([#4838](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4838))
+- [Data Explorer][Discover 2.0] Append popout icon to oui link for doc viewer links ([#4855](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4855))
+- [Data Explorer][Discover 2.0] Allow Top Nav to update based on index pattern change ([#4889](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4889))
+- [Data Explorer] Add dismissible callout for discover ([#4857](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4857))
+- [Next theme] Add modal to notify users of theme updates ([#4715](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4715))
+- Change color fn used to calculate icon colors for search typeahead suggestions ([#4884](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4884))
+- [Next Theme] Make next theme the default ([#4854](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4854))
+- [Vis Colors] Update color mapper to prioritize unique colors per vis ([#4890](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4890))
+- Feat (Advanced Settings): Make new "Appearance" category ([#4845](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4845))
+- Feat (home): Add new theme dashboard screenshots ([#4906](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4906))
+- Modify call out text for discover ([#4932](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4932))
+- Use themes' definitions to render the initial view. This impacts the loading screen font and colors ([#4936](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4936))
+
+### 🐛 Bug Fixes
+- [VisLib] Replace legend color palette with OUI color palette ([#4365](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4365))
+- Fix (styles): Make ace code editor themes consistent ([#4609](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4609))
+- [i18n] fix generation scripts ([#4252](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4252))
+- Fix (Legacy Maps): Add necessary specificity for dark mode style overrides ([#4658](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4658))
+- Fix --font-text CSS var usage and add more leaflet font overrides ([#4674](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4674))
+- Fix snapshots that didn't get updated between PRs ([#4863](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4863))
+- [Data Explorer] Fix breadcrumb for data explorer ([#4856](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4856))
+- [Data Explorer] Fix darkmode for histogram ([#4858](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4858))
+- [Data Explorer] Fixes save search glitch + misc ([#4870](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4870))
+- [BUG] Fix management overview page duplicate rendering ([#4636](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4636))
+- [Data Explorer][Discover 2.0] Fix issues when change index pattern ([#4875](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4875))
+- [Data Explorer] Fix display for index pattern without a default time field ([#4821](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4821))
+- Fixes broken app when management is turned off ([#4891](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4891))
+- [CCI] Fix EUI/OUI type errors ([#3798](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3798))
+
+### 🚞 Infrastructure
+
+### 📝 Documentation
+- Add missing 1.3.x patch release notes to 2.x branch ([#4771](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4771))
+
+### 🛠 Maintenance
+- Version increment from 2.9 to 2.10 ([#4545](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4545))
+- Bump OpenSearch-Dashboards 2.10.0 to use nodejs 18.16.0 version ([#4948](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4948))
+
+### 🪛 Refactoring
+- [Markdown] Replace custom css styles and native html with OUI ([#4390](http://github.com/opensearch-project/OpenSearch-Dashboards/pull/4390))
+- Removed KUI usage in `maps_legacy` plugin ([#3998](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3998))
+- [Console] Converted all `/lib/autocomplete/**/*.js` files to typescript ([#4148](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4148))
+- [Console] Convert all non-autocomplete lib files to typescript ([#4150](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4150))
+- Refactor/remove breadcrumb styling main ([#4621](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4621))
+- Bump `node-sass` to a version that uses a newer `libsass` ([#4651](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4651))
+- [Dashboards] restructure folder to be more cohesive with the project ([#4575](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4575))
+- Remove minimum constraint on opensearch hosts ([#4701](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4701))
+- [CCI] Remove unused tags in the navigation plugin ([#3964](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3964))
+- Refactor logo usage ([#4702](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4702))
+- Remove examples and other unwanted artifacts from installed dependencies ([#4896](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4896))
+
+### 🔩 Tests
+- [CI] Fix BWC related CI failures by swapping dist url with snapshot url ([#4828](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4828))
+- [Dashboard De-Angular] Add unit tests for `dashboard_listing` and `dashboard_top_nav` ([#4640](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4640))
+- [Tests] Add BWC tests for 2.9 and 2.10 versions ([#4762](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4762))
+- [Stylelint] Add `no_restricted_values` linter rule ([#4413](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4413))
+- Units test for utils folder ([#4641](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4641))
+- Test (linkchecker): Exclude checking dead link ([#4720](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4720))
+- Update baseline images for functional tests ([#4879](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4879))
 
-- Bump `joi` to v14 to avoid the possibility of prototype poisoning in a nested dependency ([#3952](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3952))
-- Bump `node-sass` to a version that uses a newer `libsass` ([#4649](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4649))
-- [WS-2021-0638][Security] bump mocha to 10.1.0 ([#2711](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/2711))
 
+## [2.9.0 - 2023-07-24]
+
+### 🛡 Security
+
+- Bump `joi` to v14 to avoid the possibility of prototype poisoning in a nested dependency ([#3952](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3952))
+- [CVE-2022-25883] Resolve `semver` to `7.5.3` and remove unused package ([#4411](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4411))
+- Bump tough-cookie from 4.0.0 to 4.1.3 ([#4531](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4531))
 
 ### 📈 Features/Enhancements
 
 - Add plugin manifest config to define OpenSearch plugin dependency and verify if it is installed on the cluster ([#3116](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3116))
 - Replace re2 with RegExp in timeline and add unit tests ([#3908](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3908))
+- Hide any output from use_node checking for Node compatibility ([#4237](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4237))
 - Add category option within groups for context menus ([#4144](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4144))
 - [Saved Object Service] Add Repository Factory Provider ([#4149](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4149))
+- [Sample Data] Add visual consistency dashboard to sample logs data ([#4339](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4339))
+- [@osd/pm] Fix `file:`-linked dependencies' resolution to improve ability to test with local packages ([#4342](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4342))
+- [Multiple DataSource] Backend support for adding sample data ([#4268](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4268))
+- Add configurable defaults and overrides to uiSettings ([#4344](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4344))
+- Update header logo selection logic to match the header's theme ([#4383](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4383))
+- Introduce new fonts for the Next theme ([#4381](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4381))
+- Bump OUI to `1.1.2` to make `anomalyDetection` icon available ([#4408](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4408))
+- Add `color-scheme` to the root styling ([#4477](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4477))
+- [Multiple DataSource] Frontend support for adding sample data ([#4412](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4412))
 - Enable plugins to augment visualizations with additional data and context ([#4361](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4361))
+- Dashboard De-Angularization ([#4502](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4502))
 - New management overview page and rename stack management to dashboard management ([#4287](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4287))
-- Reduce the amount of comments in compiled CSS ([#4648](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4648))
+- [Vis Augmenter] Update base vis height in view events flyout ([#4535](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4535))
 
 ### 🐛 Bug Fixes
 
-- Remove `lmdb-store` to fix backport issue ([#4266](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4266))
-- [Chore] Update deprecated url methods (url.parse(), url.format()) ([#2910](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/2910))
-- Cleanup unused url ([#3847](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3847))
 - [Saved Objects Management] Fix relationships header overflow ([#4070](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4070))
 - Update main menu to display 'Dashboards' for consistency ([#4453](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4453))
+- [Multiple DataSource] Retain the original sample data API ([#4526](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4526))
+- Remove `lmdb-store` to fix backport issue ([#4266](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4266))
 
 ### 🚞 Infrastructure
 
+- Upgrade the backport workflow ([#4343](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4343))
+- [Lint] Add custom stylelint rules and config to prevent unintended style overrides ([#4290](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4290))
+- [Lint] Add stylelint rule to define properties that are restricted from being used ([#4374](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4374))
+- [Lint] Add typing to Stylelint rules ([#4392](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4392))
+- [CI] Split build and verify into parallel jobs ([#4467](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4467))
+
 ### 📝 Documentation
 
+- [Saved Object Service] Adds design doc for new Saved Object Service Interface for Custom Repository [#3954](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3954)
+
 ### 🛠 Maintenance
 
-- Bump `js-yaml` from `3.14.0` to `4.1.0` ([#3770](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/3770))
 - Adding @ZilongX and @Flyingliuhub as maintainers. ([#4137](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4137))
 - Add new MAINTAINERS to CODEOWNERS file. ([#4199](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4199))
+- Adding @BSFishy as maintainer. ([#4469](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4469))
 
 ### 🪛 Refactoring
 
+- [Table Visualization] Remove custom styling for text-align:center in favor of OUI utility class. ([#4164](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4164))
 - Migrate from legacy elasticsearch client to opensearch-js client in `osd-opensearch-archiver` package([#4142](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4142))
 - Replace the use of `bluebird` in `saved_objects` plugin ([#4026](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4026))
-- [Table Visualization] Remove custom styling for text-align:center in favor of OUI utility class. ([#4164](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4164))
-- [Dashboard] Restructure the `Dashboard` plugin folder to be more cohesive with the project ([#4575](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4575))
-- Refactor logo usage to centralize and optimize assets and improve tests ([#4702](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4702))
+- Relocate tutorials imagery into `src/plugins/home/public/assets/tutorials/logos` ([#4382](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4382))
+- [VisBuilder] Use OUI icon ([#4446](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4446))
+- [Vis Colors] [Region Maps] Replace hardcode color to OUI color in `region_map` plugin ([#4299](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4299))
+- [Vis Colors] Replace color maps with OUI color palettes ([#4293](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4293))
+- [Vis Colors] [Maps] Replace hardcoded color to OUI color in `maps_legacy` plugin ([#4294](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4294))
+- [Vis Colors] [TSVB] Update default color in `vis_type_timeseries` to use `ouiPaletteColorBlind()[0]`([#4363](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4363))
+- [Vis Colors] [Timeline] Replace `vis_type_timeline` colors with `ouiPaletteColorBlind()` ([#4366](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4366))
+- [Vis Colors] Update legacy seed colors to use `ouiPaletteColorBlind()` ([#4348](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4348))
+- [Console] Migrate `/lib/mappings/` module to TypeScript ([#4008](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4008))
 
 ### 🔩 Tests
 
+- [Vis Augmenter Add UT for few fns ([#4516](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4516))
 - [BWC Tests] Add BWC tests for 2.7.0 and 2.8.0 ([#4023](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4023))
 
+
 ## [2.8.0 - 2023-06-06]
 
 ### Deprecations