V6

.editorconfig

@@ -6,18 +6,9 @@ root = true
 
 [*]
 
-# Change these settings to your own preference
 indent_style = space
 indent_size = 2
-
-# We recommend you to keep these unchanged
 end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
-
-[*.md]
-trim_trailing_whitespace = false
-
-[Makefile]
-indent_style = tabs

.eslintrc.json

@@ -30,7 +30,6 @@
     "new-cap": [
       "error",
       {
-        "capIsNewExceptionPattern": "^BigInt",
         "properties": false
       }
     ],
@@ -95,16 +94,25 @@
     "no-unused-expressions": "error",
     "no-sequences": "error",
     "no-self-compare": "error",
-    "no-case-declarations": "off"
+    "no-case-declarations": "off",
+    "prefer-object-spread": "error"
+  },
+  "settings": {
+    "jsdoc": {
+      "tagNamePreference": {
+        "augments": "extends"
+      }
+    }
   },
   "parserOptions": {
-    "ecmaVersion": 2018,
+    "ecmaVersion": 2020,
     "sourceType": "script"
   },
   "plugins": ["mocha", "jsdoc"],
   "env": {
     "node": true,
     "mocha": true,
-    "es6": true
+    "es6": true,
+    "es2020": true
   }
 }

.gitattributes

@@ -0,0 +1 @@
+* -lf

.github/FUNDING.yml

@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: sequelize
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,21 +1,25 @@
 ---
 name: Bug report
 about: Create a bug report to help us improve
-title: ''
-labels: ''
-assignees: ''
-
+title: ""
+labels: ""
+assignees: ""
 ---
 
 <!--
 If you don't follow the issue template, your issue may be closed.
 Please note this is an issue tracker, not a support forum.
-For general questions, please use StackOverflow or Slack.
+For general questions, please use StackOverflow:
+https://stackoverflow.com/questions/tagged/sequelize.js
 -->
 
-## Issue Description
+## Issue Creation Checklist
+
+[ ] I have read the [contribution guidelines](https://github.com/sequelize/sequelize/blob/main/CONTRIBUTING.md)
+
+## Bug Description
 
-### What are you doing?
+### SSCCE
 
 <!--
 We have a repository dedicated to make it easy for you to create an SSCCE.
@@ -26,13 +30,37 @@ Please consider using it, everyone wins!
 **Here is the link to the SSCCE for this issue:** LINK-HERE <!-- add a link to the SSCCE -->
 
 <!--
-If you don't want to use the SSCCE repository, you can also post a MINIMAL, SELF-CONTAINED code that reproduces the issue. It must be runnable by simply copying and pasting into an isolated JS file, except possibly for the database connection configuration.
-Check http://sscce.org/ or https://stackoverflow.com/help/minimal-reproducible-example to learn more about SSCCE/MCVE/reprex.
+Instead of using that repository, you can also clone the Sequelize repository and overwrite the `sscce.js` file in the root folder, run it locally and then provide the code here:
 -->
 
 ```js
 // You can delete this code block if you have included a link to your SSCCE above!
-// MINIMAL, SELF-CONTAINED code here (SSCCE/MCVE/reprex)
+const { createSequelizeInstance } = require("./dev/sscce-helpers");
+const { Model, DataTypes } = require(".");
+
+const sequelize = createSequelizeInstance({ benchmark: true });
+
+class User extends Model {}
+User.init(
+  {
+    username: DataTypes.STRING,
+    birthday: DataTypes.DATE,
+  },
+  { sequelize, modelName: "user" }
+);
+
+(async () => {
+  await sequelize.sync({ force: true });
+
+  const jane = await User.create({
+    username: "janedoe",
+    birthday: new Date(1980, 6, 20),
+  });
+
+  console.log("\nJane:", jane.toJSON());
+
+  await sequelize.close();
+})();
 ```
 
 ### What do you expect to happen?
@@ -53,16 +81,15 @@ Output here
 
 ### Additional context
 
-Add any other context or screenshots about the feature request here.
+Add any other context and details here.
 
 ### Environment
 
 - Sequelize version: XXX <!-- run `npm list sequelize` to obtain this -->
 - Node.js version: XXX <!-- run `node -v` to obtain this -->
-- Operating System: XXX
-- If TypeScript related: TypeScript version: XXX
+- If TypeScript related: TypeScript version: XXX <!-- run `npm list typescript` to obtain this -->
 
-## Issue Template Checklist
+## Bug Report Checklist
 
 <!-- Please answer the questions below. If you don't, your issue may be closed. -->
 

.github/ISSUE_TEMPLATE/docs_issue.md

@@ -0,0 +1,31 @@
+---
+name: Docs issue
+about: Documentation is unclear, or otherwise insufficient/misleading
+title: ""
+labels: "type: docs"
+assignees: ""
+---
+
+<!--
+If you don't follow the issue template, your issue may be closed.
+Please note this is an issue tracker, not a support forum.
+For general questions, please use StackOverflow.
+-->
+
+## Issue Creation Checklist
+
+[ ] I have read the [contribution guidelines](https://github.com/sequelize/sequelize/blob/main/CONTRIBUTING.md)
+
+## Issue Description
+
+### What was unclear/insufficient/not covered in the documentation
+
+Write here.
+
+### If possible: Provide some suggestion on how we can enhance the docs
+
+Write here.
+
+### Additional context
+
+Add any other context or screenshots about the issue here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,49 +1,57 @@
 ---
 name: Feature request
 about: Suggest an idea for this project
-title: ''
-labels: ''
-assignees: ''
-
+title: ""
+labels: ""
+assignees: ""
 ---
 
 <!--
 If you don't follow the issue template, your issue may be closed.
 Please note this is an issue tracker, not a support forum.
-For general questions, please use StackOverflow or Slack.
+For general questions, please use StackOverflow.
 -->
 
-## Issue Description
+## Issue Creation Checklist
+
+[ ] I have read the [contribution guidelines](https://github.com/sequelize/sequelize/blob/main/CONTRIBUTING.md)
+
+## Feature Description
 
 ### Is your feature request related to a problem? Please describe.
-A clear and concise description of what the problem is. Example: I'm always frustrated when [...]
+
+A clear and concise description of what the problem is. Example: I'm always frustrated when ...
 
 ### Describe the solution you'd like
+
 A clear and concise description of what you want to happen. How can the requested feature be used to approach the problem it's supposed to solve?
 
 ```js
 // If applicable, add a code snippet showing how your feature would be used in a real use-case
 ```
 
 ### Why should this be in Sequelize
+
 Short explanation why this should be part of Sequelize rather than a separate package.
 
 ### Describe alternatives/workarounds you've considered
+
 A clear and concise description of any alternative solutions or features you've considered. If any workaround exists to the best of your knowledge, include it here.
 
 ### Additional context
+
 Add any other context or screenshots about the feature request here.
 
-## Issue Template Checklist
+## Feature Request Checklist
 
 <!-- Please answer the questions below. If you don't, your issue may be closed. -->
 
-### Is this issue dialect-specific?
+### Is this feature dialect-specific?
 
-- [ ] No. This issue is relevant to Sequelize as a whole.
-- [ ] Yes. This issue only applies to the following dialect(s): XXX, YYY, ZZZ
+- [ ] No. This feature is relevant to Sequelize as a whole.
+- [ ] Yes. This feature only applies to the following dialect(s): XXX, YYY, ZZZ
 
-### Would you be willing to resolve this issue by submitting a Pull Request?
+### Would you be willing to implement this feature by submitting a Pull Request?
 
 <!-- Remember that first contributors are welcome! -->
 

.github/ISSUE_TEMPLATE/other_issue.md

@@ -1,18 +1,21 @@
 ---
 name: Other
 about: Open an issue that does not fall directly into the other categories
-title: ''
-labels: ''
-assignees: ''
-
+title: ""
+labels: ""
+assignees: ""
 ---
 
 <!--
 If you don't follow the issue template, your issue may be closed.
 Please note this is an issue tracker, not a support forum.
-For general questions, please use StackOverflow or Slack.
+For general questions, please use StackOverflow.
 -->
 
+## Issue Creation Checklist
+
+[ ] I have read the [contribution guidelines](https://github.com/sequelize/sequelize/blob/main/CONTRIBUTING.md)
+
 ## Issue Description
 
 A clear and concise description of what is this issue about.
@@ -23,11 +26,8 @@ If applicable, you can add some code. In this case, an SSCCE/MCVE/reprex is much
 Check http://sscce.org/ or https://stackoverflow.com/help/minimal-reproducible-example to learn more about SSCCE/MCVE/reprex.
 -->
 
-### StackOverflow / Slack attempts
-
-If you have tried asking on StackOverflow / Slack about this, add a link to that here.
-
 ### Additional context
+
 Add any other context or screenshots about the issue here.
 
 ## Issue Template Checklist

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,24 +1,30 @@
-<!-- 
+<!--
 Thanks for wanting to fix something on Sequelize - we already love you!
 Please fill in the template below.
 If unsure about something, just do as best as you're able.
 
 If your PR only contains changes to documentation, you may skip the template below.
 -->
 
-### Pull Request check-list
+### Pull Request Checklist
 
 _Please make sure to review and check all of these items:_
 
-- [ ] Does `npm run test` or `npm run test-DIALECT` pass with this change (including linting)?
-- [ ] Does the description below contain a link to an existing issue (Closes #[issue]) or a description of the issue you are solving?
 - [ ] Have you added new tests to prevent regressions?
+- [ ] Does `npm run test` or `npm run test-DIALECT` pass with this change (including linting)?
 - [ ] Is a documentation update included (if this change modifies existing APIs, or introduces new ones)?
 - [ ] Did you update the typescript typings accordingly (if applicable)?
-- [ ] Did you follow the commit message conventions explained in [CONTRIBUTING.md](https://github.com/sequelize/sequelize/blob/master/CONTRIBUTING.md)?
+- [ ] Does the description below contain a link to an existing issue (Closes #[issue]) or a description of the issue you are solving?
+- [ ] Did you follow the commit message conventions explained in [CONTRIBUTING.md](https://github.com/sequelize/sequelize/blob/main/CONTRIBUTING.md)?
 
 <!-- NOTE: these things are not required to open a PR and can be done afterwards / while the PR is open. -->
 
-### Description of change
+### Description Of Change
 
 <!-- Please provide a description of the change here. -->
+
+### Todos
+
+- [ ] <!-- e.g. #1 feature: Extend the type script definition -->
+- [ ] <!-- e.g. #2 test: Does this also work with MySQL 8? -->
+- [ ] <!-- ... -->