diff --git a/README.md b/README.md
index ca1d180735..8f500bba2f 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,7 @@ A modern, enterprise-ready business intelligence web application.
 [**Why Superset**](#why-superset) |
 [**Supported Databases**](#supported-databases) |
 [**Installation and Configuration**](#installation-and-configuration) |
+[**Release Notes**](RELEASING/release-notes-0-38/README.md) |
 [**Get Help**](#get-help) |
 [**Contributor Guide**](#contributor-guide) |
 [**Resources**](#resources) |
diff --git a/RELEASING/release-notes-0-38/README.md b/RELEASING/release-notes-0-38/README.md
new file mode 100644
index 0000000000..421ed18350
--- /dev/null
+++ b/RELEASING/release-notes-0-38/README.md
@@ -0,0 +1,318 @@
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+# Release Notes for Superset 0.38
+
+## What's new
+- [New features](#new-features)
+- [Bugfixes](#bugfixes)
+- [Breaking Changes](#breaking-changes)
+- [Complete Changelog](#complete-changelog)
+
+### New features
+**DATABASES, DATASETS, QUERIES**
+
+[SIP-40] Proposal for Custom Error Messages #9194 ([SIP](https://github.com/apache/incubator-superset/issues/9194))
+- feat: improve presto query perf  (#[11069](https://github.com/apache/incubator-superset/pull/11069))
+- feat: more specific presto error messages  (#[11099](https://github.com/apache/incubator-superset/pull/11099))
+- feat: refactor error components and add database issue code  (#[10473](https://github.com/apache/incubator-superset/pull/10473))
+- feat: welcome presto to the suite of tested databases  (#[10498](https://github.com/apache/incubator-superset/pull/10498))
+
+
+Certification of Data Entities ([Roadmap](https://github.com/apache-superset/superset-roadmap/issues/73))
+- feat: add certification to metrics  (#[10630](https://github.com/apache/incubator-superset/pull/10630))
+- feat: add extra column to tables and sql_metrics  (#[10592](https://github.com/apache/incubator-superset/pull/10592))
+- feat: bump superset-ui for certified tag  (#[10650](https://github.com/apache/incubator-superset/pull/10650))
+
+
+Database CRUD screen refactor/redesign ([Roadmap](https://github.com/apache-superset/superset-roadmap/issues/14))
+- feat: add/edit database modal form sections UI  (#[10745](https://github.com/apache/incubator-superset/pull/10745))
+- feat: base tabbed modal for new database CRUD UI  (#[10668](https://github.com/apache/incubator-superset/pull/10668))
+
+
+Database list view refactor/redesign ([Roadmap](https://github.com/apache-superset/superset-roadmap/issues/55))
+- feat: database delete warning  (#[10800](https://github.com/apache/incubator-superset/pull/10800))\
+<kbd><img src="media/10800.gif" width="400"/></kbd>
+- feat: filters for database list view  (#[10772](https://github.com/apache/incubator-superset/pull/10772))
+- feat: SIP-34 table list view for databases  (#[10705](https://github.com/apache/incubator-superset/pull/10705))
+
+
+Database list view refactor/redesign #55 ([Roadmap](https://github.com/apache-superset/superset-roadmap/issues/55))
+- feat(api): database schemas migration to new API   (#[10436](https://github.com/apache/incubator-superset/pull/10436))
+- feat(database): POST, PUT, DELETE API endpoints  (#[10741](https://github.com/apache/incubator-superset/pull/10741))
+- feat(databases): test connection api  (#[10723](https://github.com/apache/incubator-superset/pull/10723))
+
+
+Datasets CRUD screen refactor/redesign ([Roadmap](https://github.com/apache-superset/superset-roadmap/issues/13))
+- feat: dataset editor improvements  (#[10444](https://github.com/apache/incubator-superset/pull/10444))\
+<kbd><img src="media/10444.gif" width="400"/></kbd>
+
+
+Datasets CRUD screen refactor/redesign #13 ([Roadmap](https://github.com/apache-superset/superset-roadmap/issues/13))
+- feat(datasource): remove deleted columns and update column type on metadata refresh  (#[10619](https://github.com/apache/incubator-superset/pull/10619))\
+  <kbd><img src="media/10619.png" width="400"/></kbd>
+
+
+Datasets list view refactor/redesign #12 ([Roadmap](https://github.com/apache-superset/superset-roadmap/issues/12))
+- feat: update dataset editor modal  (#[10347](https://github.com/apache/incubator-superset/pull/10347))\
+  <kbd><img src="media/10347.gif" width="400"/></kbd>
+
+
+- feat(datasets): REST API bulk delete  (#[11237](https://github.com/apache/incubator-superset/pull/11237))
+
+
+Saved queries CRUD screen + list view refactor/redesign #15 ([Roadmap](https://github.com/apache-superset/superset-roadmap/issues/15))
+- feat: CRUD REST API for saved queries  (#[10777](https://github.com/apache/incubator-superset/pull/10777))
+- feat: saved query list actions  (#[11109](https://github.com/apache/incubator-superset/pull/11109))\
+<kbd><img src="media/11109.gif" width="400"/></kbd>
+
+- feat: saved query list view + sort/filters  (#[11005](https://github.com/apache/incubator-superset/pull/11005))
+- feat: SavedQuery REST API for bulk delete and new API fields  (#[10793](https://github.com/apache/incubator-superset/pull/10793))
+- feat: update saved query backend routing + add savedquery list  (#[10922](https://github.com/apache/incubator-superset/pull/10922))
+- feat(saved_queries): add custom api filter for all string & text fields  (#[11031](https://github.com/apache/incubator-superset/pull/11031))
+
+
+Other features
+- feat: dataset REST API for distinct values  (#[10595](https://github.com/apache/incubator-superset/pull/10595))
+
+
+**EXPLORE, CHARTS, DASHBOARDS**
+
+[SIP-40] Proposal for Custom Error Messages #9194 ([SIP](https://github.com/apache/incubator-superset/issues/9194))
+- feat: add download as image button to explore  (#[10297](https://github.com/apache/incubator-superset/pull/10297))\
+<kbd><img src="media/10297.gif" width="400"/></kbd>
+
+
+[SIP-34] Proposal to establish a new design direction, system, and process for Superset ([SIP](https://github.com/apache/incubator-superset/issues/8976))
+- feat: SIP-34 explore save modal  (#[10355](https://github.com/apache/incubator-superset/pull/10355))\
+<kbd><img src="media/10355.gif" width="400"/></kbd>
+
+
+Charts list view refactor/redesign ([Roadmap](https://github.com/apache-superset/superset-roadmap/issues/47))
+- feat(charts): modify custom api filter to include more fields  (#[11054](https://github.com/apache/incubator-superset/pull/11054))
+
+
+Echarts integration ([Roadmap](https://github.com/apache-superset/superset-roadmap/issues/48))  
+- feat: add linear color scale to sunburst chart  (#[10474](https://github.com/apache/incubator-superset/pull/10474))\
+<kbd><img src="media/10474.gif" width="400"/></kbd>
+
+- feat: add optional prophet forecasting functionality to chart data api  (#[10324](https://github.com/apache/incubator-superset/pull/10324))
+- feat(viz): add ECharts Timeseries chart  (#[10752](https://github.com/apache/incubator-superset/pull/10752))\
+<kbd><img src="media/10752.gif" width="400"/></kbd>
+
+
+Improvements to cache handling #74 ([Roadmap](https://github.com/apache-superset/superset-roadmap/issues/74))
+- feat: add ECharts Pie chart  (#[10966](https://github.com/apache/incubator-superset/pull/10966))\
+<kbd><img src="media/10966.gif" width="400"/></kbd>
+
+- feat: implement cache invalidation api  (#[10761](https://github.com/apache/incubator-superset/pull/10761))
+- feat: Adding extra_filters to warm_up_cache  (#[10675](https://github.com/apache/incubator-superset/pull/10675))
+
+
+[SIP-34] Proposal to establish a new design direction, system, and process for Superset ([SIP](https://github.com/apache/incubator-superset/issues/8976))
+- feat: add favorite star to dashboard and chart lists  (#[10510](https://github.com/apache/incubator-superset/pull/10510))\
+<kbd><img src="media/10510.png" width="400"/></kbd>
+
+- feat: use svg for checkbox component  (#[10799](https://github.com/apache/incubator-superset/pull/10799))\
+<kbd><img src="media/10799.gif" width="400"/></kbd>
+
+
+Other features
+- feat(table-viz): translation and metric column header align right  (#[10549](https://github.com/apache/incubator-superset/pull/10549))
+
+
+- feat: adding dashboard toggle fullscreen button  (#[10840](https://github.com/apache/incubator-superset/pull/10840))\
+<kbd><img src="media/10840.png" width="400"/></kbd>
+- feat: enable ETag header for dashboard GET requests  (#[10963](https://github.com/apache/incubator-superset/pull/10963))
+- feat: move ace-editor and mathjs to async modules  (#[10837](https://github.com/apache/incubator-superset/pull/10837))
+- feat: server side dashboard css for less repaint  (#[10850](https://github.com/apache/incubator-superset/pull/10850))
+- feat: use shorten url in standalone iframe  (#[10651](https://github.com/apache/incubator-superset/pull/10651))
+
+
+**SQL LAB**
+- feat: Adding table comment and columns comment for SQLLab  (#[10844](https://github.com/apache/incubator-superset/pull/10844))
+
+
+**SYSTEM, OTHER**
+- feat: add TXT as default CSV extension  (#[10371](https://github.com/apache/incubator-superset/pull/10371))
+
+
+[SIP-34] Proposal to establish a new design direction, system, and process for Superset ([SIP](https://github.com/apache/incubator-superset/issues/8976))
+- feat: card view bulk select  (#[10607](https://github.com/apache/incubator-superset/pull/10607))
+- feat: custom favorite filter for dashboards, charts and saved queries  (#[11083](https://github.com/apache/incubator-superset/pull/11083))
+- feat: SIP-34 card/grid views for dashboards and charts   (#[10526](https://github.com/apache/incubator-superset/pull/10526))
+- feat(listviews): SIP-34 Bulk Select  (#[10298](https://github.com/apache/incubator-superset/pull/10298))
+- feat(listviews): SIP-34 filters for charts, dashboards, datasets  (#[10335](https://github.com/apache/incubator-superset/pull/10335))
+
+
+[SIP-40] Proposal for Custom Error Messages #9194 ([SIP](https://github.com/apache/incubator-superset/issues/9194))
+- feat: update timeout error UX  (#[10274](https://github.com/apache/incubator-superset/pull/10274))
+
+
+Alerts (send notification when a condition is met) ([Roadmap](https://github.com/apache-superset/superset-roadmap/issues/54))
+- feat: add test email functionality to SQL-based email alerts  (#[10476](https://github.com/apache/incubator-superset/pull/10476))
+- feat: refractored SQL-based alerting framework  (#[10605](https://github.com/apache/incubator-superset/pull/10605))
+
+
+[SIP-34] Proposal to establish a new design direction, system, and process for Superset ([SIP](https://github.com/apache/incubator-superset/issues/8976))
+- feat: adding all icons from the design system to the codebase  (#[11033](https://github.com/apache/incubator-superset/pull/11033))
+- feat: storybook for Icon component  (#[10515](https://github.com/apache/incubator-superset/pull/10515))
+
+
+[SIP-48] Using Ant Design as our primary component library ([SIP](https://github.com/apache/incubator-superset/issues/10254))
+- feat: Add antd to the codebase  (#[10508](https://github.com/apache/incubator-superset/pull/10508))
+
+
+Alerts (send notification when a condition is met) ([Roadmap](https://github.com/apache-superset/superset-roadmap/issues/54))
+- feat: updated email format for SQL-based email alerts  (#[10512](https://github.com/apache/incubator-superset/pull/10512))
+
+
+Superset Component library - Phase 1 ([Roadmap](https://github.com/apache-superset/superset-roadmap/issues/23))
+- feat: adding Storybook to Superset  (#[10383](https://github.com/apache/incubator-superset/pull/10383))
+
+
+Other
+- feat: Allow tests files in  /src (plus Label component tests)  (#[10634](https://github.com/apache/incubator-superset/pull/10634))
+- feat: Getting fancier with Storybook  (#[10647](https://github.com/apache/incubator-superset/pull/10647))
+
+
+### Bugfixes
+
+- fix(permissions): alpha role has all full features  (#[10241](https://github.com/apache/incubator-superset/pull/10241))
+- fix: broken glyphicons used in react-json-schema  (#[10267](https://github.com/apache/incubator-superset/pull/10267))
+- fix: add additional ui tweaks  (#[10275](https://github.com/apache/incubator-superset/pull/10275))
+- fix: saving custom CSS correctly  (#[10289](https://github.com/apache/incubator-superset/pull/10289))
+- fix: fetch datasets list after dataset created successfully  (#[10290](https://github.com/apache/incubator-superset/pull/10290))
+- fix: update community Slack link  (#[10360](https://github.com/apache/incubator-superset/pull/10360))
+- fix: allow creating table option and remove schema requirement in dataset add modal  (#[10369](https://github.com/apache/incubator-superset/pull/10369))
+- fix(datasets): sort and humanized modified by  (#[10380](https://github.com/apache/incubator-superset/pull/10380))
+- fix(api): fixes perf on charts and introduces sorting by database on datasets  (#[10392](https://github.com/apache/incubator-superset/pull/10392))
+- fix(api): fixes openapi spec errors and adds a test to validate all spec  (#[10393](https://github.com/apache/incubator-superset/pull/10393))
+- fix(charts): disable CSRF for chart data endpoint  (#[10397](https://github.com/apache/incubator-superset/pull/10397))
+- fix: dataset list filters bug  (#[10398](https://github.com/apache/incubator-superset/pull/10398))
+- fix: remove FAB rendered menu in favor of react based one  (#[10401](https://github.com/apache/incubator-superset/pull/10401))
+- fix: show label for filters in filter box in explore  (#[10412](https://github.com/apache/incubator-superset/pull/10412))
+- fix: Implement updates to SQL-based email alerts  (#[10454](https://github.com/apache/incubator-superset/pull/10454))
+- fix(presto): Handle ROW data stored as string  (#[10456](https://github.com/apache/incubator-superset/pull/10456))
+- fix: change "add new slice" copy to "add new chart"  (#[10457](https://github.com/apache/incubator-superset/pull/10457))
+- fix(sqllab): button width isn't wide enough for 'Run Selection'  (#[10461](https://github.com/apache/incubator-superset/pull/10461))
+- fix: timeout error message  (#[10478](https://github.com/apache/incubator-superset/pull/10478))
+- fix: enforce mandatory chart name on save and edit  (#[10482](https://github.com/apache/incubator-superset/pull/10482))
+- fix: More tweaks needed after adding Doctype tag  (#[10504](https://github.com/apache/incubator-superset/pull/10504))
+- fix: explore panel missing padding  (#[10505](https://github.com/apache/incubator-superset/pull/10505))
+- fix: refactored SQL-based alerts to not pass sqlalchemy objects as args  (#[10506](https://github.com/apache/incubator-superset/pull/10506))
+- fix(sqllab): Handle long table names in SQL Lab  (#[10518](https://github.com/apache/incubator-superset/pull/10518))
+- fix: make SQL-based alert email links user friendly  (#[10519](https://github.com/apache/incubator-superset/pull/10519))
+- fix(dashboard): changing the chart title, except not  (#[10527](https://github.com/apache/incubator-superset/pull/10527))
+- fix: misaligned LimitControl buttons and port jsx->tsx  (#[10529](https://github.com/apache/incubator-superset/pull/10529))
+- fix: Resolves #10535  (#[10536](https://github.com/apache/incubator-superset/pull/10536))
+- fix: add retry to SQL-based alerting celery task  (#[10542](https://github.com/apache/incubator-superset/pull/10542))
+- fix: Updating Dockerfile to work with updated python requirements.  (#[10550](https://github.com/apache/incubator-superset/pull/10550))
+- fix(thumbnails): missing field, logging and new config var  (#[10562](https://github.com/apache/incubator-superset/pull/10562))
+- fix: add translate for dropdown menu  (#[10573](https://github.com/apache/incubator-superset/pull/10573))
+- fix: error message modal overflow  (#[10580](https://github.com/apache/incubator-superset/pull/10580))
+- fix: add None checking to cast_to_num  (#[10584](https://github.com/apache/incubator-superset/pull/10584))
+- fix: removing unsupported modal sizes  (#[10625](https://github.com/apache/incubator-superset/pull/10625))
+- fix: remove duplicated params and cache_timeout from list_columns; add viz_type to list_columns  (#[10643](https://github.com/apache/incubator-superset/pull/10643))
+- fix: controls scroll issue  (#[10644](https://github.com/apache/incubator-superset/pull/10644))
+- fix(db_engine_specs): improve Presto column type matching  (#[10658](https://github.com/apache/incubator-superset/pull/10658))
+- fix(db_engine_specs): mysql longtext type should not be numeric  (#[10661](https://github.com/apache/incubator-superset/pull/10661))
+- fix: change public role like gamma procedure  (#[10674](https://github.com/apache/incubator-superset/pull/10674))
+- fix(sqllab): log exceptions caused by the user as debug and not error  (#[10676](https://github.com/apache/incubator-superset/pull/10676))
+- fix: only call signal if executing on the main thread  (#[10677](https://github.com/apache/incubator-superset/pull/10677))
+- fix: layout flexiness  (#[10681](https://github.com/apache/incubator-superset/pull/10681))
+- fix: SubMenu css  (#[10682](https://github.com/apache/incubator-superset/pull/10682))
+- fix: dashboard extra filters  (#[10692](https://github.com/apache/incubator-superset/pull/10692))
+- fix: shorten url with extra request parameters  (#[10693](https://github.com/apache/incubator-superset/pull/10693))
+- fix: card view failed cypress tests  (#[10699](https://github.com/apache/incubator-superset/pull/10699))
+- fix: deprecation warnings due to invalid escape sequences.  (#[10710](https://github.com/apache/incubator-superset/pull/10710))
+- fix: move menu reorg logic from crud app into Menu component  (#[10717](https://github.com/apache/incubator-superset/pull/10717))
+- fix: local docker deployment  (#[10738](https://github.com/apache/incubator-superset/pull/10738))
+- Fix: Rejiggering some dependencies, trying to get CI to pass  (#[10747](https://github.com/apache/incubator-superset/pull/10747))
+- fix(presto): default unknown types to string type  (#[10753](https://github.com/apache/incubator-superset/pull/10753))
+- fix: add validator information to email/slack alerts  (#[10762](https://github.com/apache/incubator-superset/pull/10762))
+- fix: re-installing local superset in cache image  (#[10766](https://github.com/apache/incubator-superset/pull/10766))
+- fix: can not type `0.05` in `TextControl`  (#[10778](https://github.com/apache/incubator-superset/pull/10778))
+- fix: MVC show saved query  (#[10781](https://github.com/apache/incubator-superset/pull/10781))
+- fix: disable domain sharding on explore view  (#[10787](https://github.com/apache/incubator-superset/pull/10787))
+- fix: Database API missing allow none on fields  (#[10795](https://github.com/apache/incubator-superset/pull/10795))
+- fix: bump node version on Dockerfile to be on par with docker-compose  (#[10813](https://github.com/apache/incubator-superset/pull/10813))
+- fix(tests): export dataset tests fails with presto  (#[10818](https://github.com/apache/incubator-superset/pull/10818))
+- fix: use nullpool in the celery workers  (#[10819](https://github.com/apache/incubator-superset/pull/10819))
+- fix: Making the database read-only  (#[10823](https://github.com/apache/incubator-superset/pull/10823))
+- fix(databases): test connection api endpoint  (#[10824](https://github.com/apache/incubator-superset/pull/10824))
+- fix: update the time filter for 'Last Year' option in explore  (#[10829](https://github.com/apache/incubator-superset/pull/10829))
+- fix(test): missing auth on tests  (#[10842](https://github.com/apache/incubator-superset/pull/10842))
+- fix(cypress): wait for filterValues request  (#[10884](https://github.com/apache/incubator-superset/pull/10884))
+- fix: superset alerting misc fixes  (#[10891](https://github.com/apache/incubator-superset/pull/10891))
+- fix(cypress): prevent CI failure on codecov failure  (#[10892](https://github.com/apache/incubator-superset/pull/10892))
+- fix:  front end CI tests and test runner  (#[10897](https://github.com/apache/incubator-superset/pull/10897))
+- fix: babel script broken by format string  (#[10902](https://github.com/apache/incubator-superset/pull/10902))
+- fix: several disabled pylint rules in models/helpers.py  (#[10909](https://github.com/apache/incubator-superset/pull/10909))
+- fix: spelling in docs homepage  (#[10912](https://github.com/apache/incubator-superset/pull/10912))
+- fix: address all disabled pylint checks in charts/api.py  (#[10932](https://github.com/apache/incubator-superset/pull/10932))
+- fix: use nullpool even for user lookup in the celery  (#[10938](https://github.com/apache/incubator-superset/pull/10938))
+- fix: update pylint disabled checks in common/query_context.py  (#[10941](https://github.com/apache/incubator-superset/pull/10941))
+- fix: setting specific exceptions common/query_context.py  (#[10942](https://github.com/apache/incubator-superset/pull/10942))
+- fix: re-enabling several globally disabled lint rules  (#[10957](https://github.com/apache/incubator-superset/pull/10957))
+- fix: removed disabled lint rule `too-many-locals` in connectors/base/models.py  (#[10958](https://github.com/apache/incubator-superset/pull/10958))
+- fix: typo in prefer typescript  (#[10959](https://github.com/apache/incubator-superset/pull/10959))
+- fix: pylint checks in connectors/sqla/models.py  (#[10974](https://github.com/apache/incubator-superset/pull/10974))
+- fix: pylint disabled rules in dashboard/api.py  (#[10976](https://github.com/apache/incubator-superset/pull/10976))
+- fix: changes a pylint check in dashboard module  (#[10978](https://github.com/apache/incubator-superset/pull/10978))
+- fix: changed disabled rules in datasets module  (#[10979](https://github.com/apache/incubator-superset/pull/10979))
+- fix: Add Item Overflow on Dataset Editor  (#[10983](https://github.com/apache/incubator-superset/pull/10983))
+- fix: enable pylint rules in db_engine_specs module  (#[10998](https://github.com/apache/incubator-superset/pull/10998))
+- fix: enable several pylint rules partially in db_engines_specs module  (#[11000](https://github.com/apache/incubator-superset/pull/11000))
+- fix: unbreak ci  (#[11003](https://github.com/apache/incubator-superset/pull/11003))
+- fix: timer component, fixes #10849, closes #11002  (#[11004](https://github.com/apache/incubator-superset/pull/11004))
+- fix: menu shows a 0 when there are not settings  (#[11009](https://github.com/apache/incubator-superset/pull/11009))
+- fix: reenable pylint rule `unused-import` in charts and connectors modules  (#[11014](https://github.com/apache/incubator-superset/pull/11014))
+- fix: query search low privileged user search access denied  (#[11017](https://github.com/apache/incubator-superset/pull/11017))
+- fix(api): unable to delete virtual dataset, wrong permission name  (#[11019](https://github.com/apache/incubator-superset/pull/11019))
+- fix: [dashboard] should not show edit button when user has no edit permit  (#[11024](https://github.com/apache/incubator-superset/pull/11024))
+- fix: dashboard edit button (again)  (#[11029](https://github.com/apache/incubator-superset/pull/11029))
+- fix: sql lab autocomplete width  (#[11063](https://github.com/apache/incubator-superset/pull/11063))
+- fix: fix table existence validation function  (#[11066](https://github.com/apache/incubator-superset/pull/11066))
+- fix: database list checkboxes  (#[11068](https://github.com/apache/incubator-superset/pull/11068))
+- fix: Adding timeout to flaky cypress test, to wait for animation to complete  (#[11074](https://github.com/apache/incubator-superset/pull/11074))
+- fix: surface connection error messages on the client  (#[11077](https://github.com/apache/incubator-superset/pull/11077))
+- fix(jest): using UTC mock date  (#[11079](https://github.com/apache/incubator-superset/pull/11079))
+- fix: double scroll bars on dataset editor  (#[11095](https://github.com/apache/incubator-superset/pull/11095))
+- fix: echarts timeseries groupby  (#[11103](https://github.com/apache/incubator-superset/pull/11103))
+- fix: Disabling timezone of dataframe before passing Prophet  (#[11107](https://github.com/apache/incubator-superset/pull/11107))
+- fix(chart-data-api): ignore missing filters  (#[11112](https://github.com/apache/incubator-superset/pull/11112))
+- fix: alembic migration error msg trying to delete constraint on tables  (#[11115](https://github.com/apache/incubator-superset/pull/11115))
+- fix: remove extra flash import  (#[11121](https://github.com/apache/incubator-superset/pull/11121))
+- fix: Revert "Replace reactable with DataTable from superset-ui in QueryTable (#10981)"  (#[11125](https://github.com/apache/incubator-superset/pull/11125))
+- fix: SpatialControl popover won't open  (#[11127](https://github.com/apache/incubator-superset/pull/11127))
+- fix: Alembic migration 18532d70ab98  (#[11136](https://github.com/apache/incubator-superset/pull/11136))
+- fix(examples): missing expressions in birth_names  (#[11141](https://github.com/apache/incubator-superset/pull/11141))
+- fix: Fix Time Column dropdown for date filter  (#[11149](https://github.com/apache/incubator-superset/pull/11149))
+- fix(dataset): update user list endpoint  (#[11221](https://github.com/apache/incubator-superset/pull/11221))
+- fix(crud): set default extra value  (#[11262](https://github.com/apache/incubator-superset/pull/11262))
+- fix(sqla): allow 'unknown' type queries in explore view  (#[11365](https://github.com/apache/incubator-superset/pull/11365))
+- fix: prior npm font source had a glitch  (#[11724](https://github.com/apache/incubator-superset/pull/11724))
+
+
+## Breaking Changes
+[List of backwards incompatible changes](https://github.com/apache/incubator-superset/blob/master/UPDATING.md#0380)
+
+## Complete Changelog
+For the complete changelog please see [apache/incubator-superset/CHANGELOG.md](https://github.com/apache/incubator-superset/blob/master/CHANGELOG.md)
diff --git a/RELEASING/release-notes-0-38/media/10297.gif b/RELEASING/release-notes-0-38/media/10297.gif
new file mode 100644
index 0000000000..4860c4159f
Binary files /dev/null and b/RELEASING/release-notes-0-38/media/10297.gif differ
diff --git a/RELEASING/release-notes-0-38/media/10347.gif b/RELEASING/release-notes-0-38/media/10347.gif
new file mode 100644
index 0000000000..2c3bb1c63d
Binary files /dev/null and b/RELEASING/release-notes-0-38/media/10347.gif differ
diff --git a/RELEASING/release-notes-0-38/media/10355.gif b/RELEASING/release-notes-0-38/media/10355.gif
new file mode 100644
index 0000000000..6e4bf739ed
Binary files /dev/null and b/RELEASING/release-notes-0-38/media/10355.gif differ
diff --git a/RELEASING/release-notes-0-38/media/10444.gif b/RELEASING/release-notes-0-38/media/10444.gif
new file mode 100644
index 0000000000..0afd66c988
Binary files /dev/null and b/RELEASING/release-notes-0-38/media/10444.gif differ
diff --git a/RELEASING/release-notes-0-38/media/10474.gif b/RELEASING/release-notes-0-38/media/10474.gif
new file mode 100644
index 0000000000..6ce8215796
Binary files /dev/null and b/RELEASING/release-notes-0-38/media/10474.gif differ
diff --git a/RELEASING/release-notes-0-38/media/10510.png b/RELEASING/release-notes-0-38/media/10510.png
new file mode 100644
index 0000000000..1c6e51f27a
Binary files /dev/null and b/RELEASING/release-notes-0-38/media/10510.png differ
diff --git a/RELEASING/release-notes-0-38/media/10619.png b/RELEASING/release-notes-0-38/media/10619.png
new file mode 100644
index 0000000000..8a235cf708
Binary files /dev/null and b/RELEASING/release-notes-0-38/media/10619.png differ
diff --git a/RELEASING/release-notes-0-38/media/10752.gif b/RELEASING/release-notes-0-38/media/10752.gif
new file mode 100644
index 0000000000..955678fe80
Binary files /dev/null and b/RELEASING/release-notes-0-38/media/10752.gif differ
diff --git a/RELEASING/release-notes-0-38/media/10799.gif b/RELEASING/release-notes-0-38/media/10799.gif
new file mode 100644
index 0000000000..c0f974da06
Binary files /dev/null and b/RELEASING/release-notes-0-38/media/10799.gif differ
diff --git a/RELEASING/release-notes-0-38/media/10800.gif b/RELEASING/release-notes-0-38/media/10800.gif
new file mode 100644
index 0000000000..97a436cc2a
Binary files /dev/null and b/RELEASING/release-notes-0-38/media/10800.gif differ
diff --git a/RELEASING/release-notes-0-38/media/10840.png b/RELEASING/release-notes-0-38/media/10840.png
new file mode 100644
index 0000000000..a1a53a5ae0
Binary files /dev/null and b/RELEASING/release-notes-0-38/media/10840.png differ
diff --git a/RELEASING/release-notes-0-38/media/10966.gif b/RELEASING/release-notes-0-38/media/10966.gif
new file mode 100644
index 0000000000..9337df422b
Binary files /dev/null and b/RELEASING/release-notes-0-38/media/10966.gif differ
diff --git a/RELEASING/release-notes-0-38/media/11109.gif b/RELEASING/release-notes-0-38/media/11109.gif
new file mode 100644
index 0000000000..0ac4db60a3
Binary files /dev/null and b/RELEASING/release-notes-0-38/media/11109.gif differ