These are main plans that are additional to [open issues](https://github.com/yiisoft/yii2/milestones/3.0.0).

# 2.0

### 2.0.14 (1st quarter of 2018)

Will be last release with features and enhancements the last one that will be merged into 3.0 directly.

### 2.0.15 (2nd quarter of 2018)

- Since this release main focus is bug fixing.
- No full-branch merges into 3.0.
- No enhancements are accepted.
  
### 2.0.16 (3rd quarter of 2018)

- Bugfixes.

### 2.0.17 (4th quarter of 2018)

- Bugfixes.
- Announce bugfixes EOL (a year more?).
- Security fixes only.

# 3.0 (first half of 2018)

## Infrastructure

- [x] Switch to 3.0.0 SemVer-like release tagging.
- [x] Soft-deprecate 2.0.

## Requirements

- [x] [Raise requirements to PHP 7.1](https://github.com/yiisoft/yii2/issues/11397).
- [x] Drop HHVM support.

## Cleanup

- [x] [Remove everything marked as `@deprecated`](https://github.com/yiisoft/yii2/issues/15957).
- [ ] See if more PHP 7.1 features could be used and more compatibility hacks removed.
- [ ] [Error handler](https://github.com/yiisoft/yii2/issues/14348).
- [x] Remove PJAX support.
- [x] Remove Cubrid support.
- [ ] Extract `findIdentityByAccessToken` from `IdentityInterface` (looks weird when it's not implemented in all web apps).

## Client side

- [x] Make core jQuery-free.
- [x] [Move `MaskedInput` into separate repository](https://github.com/yiisoft/yii2-maskedinput).
- [x] Make fxp composer plugin optional. Describe how to use asset packagist instead.
- [x] Remove dependencies on any clientside libraries.

## Security

- [x] Remove custom random number generation in favor of what's in PHP 7.
- [x] Remove custom bcrypt password hashing in favor of what's in PHP 7.

## Databases

- [x] Move MSSQL into extension: https://github.com/yiisoft/yii2-mssql
- [x] Move Oracle into extension: https://github.com/yiisoft/yii2-oracle
- [ ] Implement upsert.
- [ ] Implement batch w/ ignore.

## Logging

- [x] Separate profiling and logging.

## Cache

- [x] PSR compatibility.

## Request

- [ ] Consider PSR-7 compatible middleware.
- [x] Add `$request->getFile($name)` that returns `UploadedFile` instance.

## App templates

- [ ] Implement API template.
- [ ] Implement more sophisticated basic template.
- [ ] Drop advanced template?

## i18n

- [ ] Use `-` instead of `_` for view files, message files etc. [See #8057](https://github.com/yiisoft/yii2/pull/8057)

# 4.0 (late 2018)

- [ ] Announce LTS.
- [ ] PHP 7 strict scalar types everywhere.
- [ ] Decouple routing from controllers and modules. Allow specifying any class method as a callback for a matching route.
- [ ] Merge `components` and DI container configs.
- [ ] Try to eliminate `Object` and `Component` turning these into traits. Could extract AccessorTrait, EventTrait etc. Alternatively we can drop accessors. Will get [PSR-2](https://github.com/yiisoft/yii2/issues/11956) and stricter interfaces in exchange additionally to possibility to get more performance.
- [ ] When triggering events, pass data as a separate argument instead of a part of event object (commonly referred to as inconvenient).
- [ ] Move methods from Yii class into helpers. For example, `Yii::getAlias()` could be `FileHelper::getAlias()`.
- [ ] Use HTML-5 data attributes to specify validation rules + global validation script that doesn't require additional config.

## Features

- [ ] Introduce configuration manager.
- [ ] Implement `change()` for migrations.

# Bootstrap extension

- [ ] Remove all widgets that doing things that could be done simpler via plain HTML.

# Gii extension

- [ ] [Re-write Gii JavaScript not to use jQuery](https://github.com/yiisoft/yii2-gii/issues/282).

# Debug extension

- [ ] [Re-write Debug JavaScript not to use jQuery](https://github.com/yiisoft/yii2-debug/issues/246).