diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c20e0aa..109a8393 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,37 @@
+### 1.20.0
+- Feat: Support JSON Schema 2019-09 and 2020-12 [#478](https://github.com/redhat-developer/yaml-language-server/issues/478), [vscode-yaml#1122](https://github.com/redhat-developer/vscode-yaml/issues/1122), [#823](https://github.com/redhat-developer/yaml-language-server/issues/823)
+- Feat: Support drafts 2019-09 and 2020-12 when validating a referenced JSON schema using AJV [#1164](https://github.com/redhat-developer/yaml-language-server/pull/1164)
+- Feat: Autodetect schema when working with a Kubernetes custom resource [#605](https://github.com/redhat-developer/yaml-language-server/issues/605)
+- Feat: Add CLI flag to report version and report version in initialization result [#1142](https://github.com/redhat-developer/yaml-language-server/issues/1142)
+- Feat: Add rename support for anchors and aliases [#1149](https://github.com/redhat-developer/yaml-language-server/pull/1149)
+- Feat: Add anchor preview in hover [#1150](https://github.com/redhat-developer/yaml-language-server/pull/1150)
+- Feat: Refactoring to change strings into block strings [#1119](https://github.com/redhat-developer/yaml-language-server/issues/1119)
+- Feat: Report the error message from the schema (if available) when a property is missing [#1138](https://github.com/redhat-developer/yaml-language-server/pull/1138)
+- Fix: Properly register formatter for all YAML files [#1147](https://github.com/redhat-developer/yaml-language-server/issues/1147)
+- Fix: Address 'no scope' warning in logs [vscode-yaml#972](https://github.com/redhat-developer/vscode-yaml/issues/972)
+- Fix: Improve auto-completion for required enum properties and fix default value labeling [vscode-yaml#1125](https://github.com/redhat-developer/vscode-yaml/issues/1125), [vscode-yaml#1160](https://github.com/redhat-developer/vscode-yaml/issues/1160)
+- Fix: Prevent error when hovering YAML 1.1 boolean values [#1152](https://github.com/redhat-developer/yaml-language-server/issues/1152)
+- Fix: Properly escape quotes when completing `const` values, `enum` values, or property names [vscode-yaml#1181](https://github.com/redhat-developer/vscode-yaml/issues/1181)
+- Fix: Prevent links in plain text hover documentation from being broken by aggressive escaping [#1151](https://github.com/redhat-developer/yaml-language-server/issues/1151)
+- Fix: Property name completion properly suggests the `enum` and `const` values instead of the schema title, and takes into account `anyOf` and `allOf` [#1141](https://github.com/redhat-developer/yaml-language-server/issues/1141)
+- Fix: Fix loading translations on web [vscode-yaml#1191](https://github.com/redhat-developer/vscode-yaml/issues/1191)
+- Fix: Fix 'go to schema' CodeLens on web [vscode-yaml#1195](https://github.com/redhat-developer/vscode-yaml/issues/1195)
+- Fix: Drop lodash from dependencies [#1170](https://github.com/redhat-developer/yaml-language-server/pull/1170)
+- Fix: Don't syntax highlight 1.4.0 as a float [#901](https://github.com/redhat-developer/vscode-yaml/issues/901)
+- Fix: Register ansible and ansible-jinja languages for formatter [vscode-yaml#812](https://github.com/redhat-developer/vscode-yaml/issues/812)
+- Fix: Fix loading schemas from workspace when working in a web environment [vscode-yaml#1194](https://github.com/redhat-developer/vscode-yaml/issues/1194)
+- Fix: Improve range of 'key ordering' error [#1177](https://github.com/redhat-developer/yaml-language-server/issues/1177)
+- Fix: Prevent the key ordering quickfix from breaking the YAML [#1171](https://github.com/redhat-developer/yaml-language-server/issues/1171)
+- Fix: Prevent dereferencing `undefined` in `pickSchemaDialect` [#1176](https://github.com/redhat-developer/yaml-language-server/pull/1176)
+- Bump: js-yaml version [#1143](https://github.com/redhat-developer/yaml-language-server/pull/1143)
+
+Thanks to [Petr Spacek](https://github.com/p-spacek), [Lawrence Troup](https://github.com/lawrencetroup), [elohmeier](https://github.com/elohmeier),
+[Ronald Wahl](https://github.com/rowahl), [Marius Svechla](https://github.com/msvechla), [qvalentin](https://github.com/qvalentin),
+[Hugo Hache](https://github.com/Hugo-Hache), [Nikita Karamov](https://github.com/kytta), [Guillermo Rodríguez](https://github.com/guille)
+and [Lanqing Huang](https://github.com/lqhuang) for your contributions
+
+A special shoutout to [Morgan Chang](https://github.com/shin19991207) for her tireless work on the validator.
+
 ### 1.19.1
 - Fix: Revert change that modified user settings on each launch [#1157](https://github.com/redhat-developer/vscode-yaml/issues/1157)
 - Fix: QuickFix to replace value with integer/number appears blank and doesn't work [#1116](https://github.com/redhat-developer/yaml-language-server/issues/1116)