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update roadmap (#735)
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Co-authored-by: Carlos Rodriguez <[email protected]>
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crodriguezvega and Carlos Rodriguez committed Jan 22, 2022
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Expand Up @@ -14,13 +14,16 @@ The release tags and timelines are educated guesses based on the information at

Let's assume that the planned release schedule looks like the following:
- At time `t0`:
- The first planned patch release for the `v2.0.x` release series with release tag `v2.0.a`. The placeholder is `a` since this is the first patch release in the given quarter.
- The first planned minor release for the `v2.x` release series with release tag `v2.a.0`. The placeholder is `a` since this is the first minor release in the given quarter.
- The first planned patch release for the `v2.0.x` release series with release tag `v2.0.a`. The placeholder is `a` since this is the first patch release in the planning.
- The first planned minor release for the `v2.x` release series with release tag `v2.a.0`. The placeholder is `a` since this is the first minor release in the planning.
- At time `t0 + delta`:
- The second planned patch release for the `v2.0.x` release series with release tag `v2.0.b`. The placehoder is `b` since this is the next patch release of this release series after `v2.0.a` in the given quarter.
- The first planned patch release for the new `v2.a.x` release series with release tag `v2.a.a`. The patch version placeholder is `a` because this is the first planned patch release of the series in the given quarter.
- The second planned patch release for the `v2.0.x` release series with release tag `v2.0.b`. The placehoder is `b` since this is the next patch release of this release series after `v2.0.a` in the planning.
- The first planned patch release for the new `v2.a.x` release series with release tag `v2.a.a`. The patch version placeholder is `a` because this is the first planned patch release of the `v2.a.x` release series.

## Q1 - 2022

## Features

### Interchain accounts

- Work on any issues that may come out of the two external audits.
Expand All @@ -31,10 +34,6 @@ Let's assume that the planned release schedule looks like the following:
- Work on issues that may arise from internal audit.
- External audit (issues may arise that we need to work on before release).
- Create alpha, beta, release candidate and final release.

### Support for Wasm-based light clients

There is an open [PR](https://github.com/cosmos/ibc-go/pull/208) that implements support for Wasm-based light clients, but it needs to be updated after the finalization of the [ICS28](https://github.com/cosmos/ibc/tree/master/spec/client/ics-008-wasm-client) specification. The PR will also need a final review from ibc-go core team members.

### Align implementation with ICS02

Expand All @@ -50,48 +49,57 @@ There is an open [PR](https://github.com/cosmos/ibc-go/pull/208) that implements
- [#559](https://github.com/cosmos/ibc-go/issues/559): Changes needed to support the migration to SMT storage. This is basically adding a new proof spec that will be used during connection handshake with a chain that has migrated to SMT to verify that the light client of the counterparty chain uses the correct proof specs to be able to verify proofs for that chain.
- And more to be added later!

### Release schedule
## Release schedule

#### H1 January
|Release|Milestone|Date|
|-------|---------|----|
|[`v3.0.0-alpha2`](https://github.com/cosmos/ibc-go/releases/tag/v3.0.0-alpha2)||Jan 07, 2021|

- [`v3.0.0-beta`](https://github.com/cosmos/ibc-go/milestone/12): Beta release of `v3.0.0` including Interchain Accounts, an update of Golang from `v1.15` to `v1.17`, and some core improvements. This is a Go-API breaking change because of [#472](https://github.com/cosmos/ibc-go/issues/472).
During this quarter we will also probably release versions that bump the Cosmos SDK to `v0.45` and Tendermint to `v0.35`, but at the moment of writing it is difficult to estimate when. Check our roadmap regularly for updates.

#### H2 January
### H2 January

- [`v2.0.a`](https://github.com/cosmos/ibc-go/milestone/14)
- [`v3.0.0-rc0`](https://github.com/cosmos/ibc-go/milestone/12): Release candidate 0 of `v3.0.0` including Interchain Accounts, an update of Golang from `v1.15` to `v1.17`, and some core improvements. This is a Go-API breaking change because of [#472](https://github.com/cosmos/ibc-go/issues/472).
- [`v4.0.0-alpha`](https://github.com/cosmos/ibc-go/milestone/16): Alpha release of `v4.0.0` including Relayer Incentivisation and the issues to bring ibc-go implementation in line with ICS02 (which are Go-API breaking changes). This release will include fixes to issues that surfaced during internal audit.
- [`v3.0.0-beta1`](https://github.com/cosmos/ibc-go/milestone/12): Beta 1 release of `v3.0.0` including Interchain Accounts, an update of Golang from `v1.15` to `v1.17`, and some core improvements. This is a Go-API breaking release because of [#472](https://github.com/cosmos/ibc-go/issues/472) and [#675](https://github.com/cosmos/ibc-go/pull/675).

#### H1 February
### H1 February

- [`v3.0.0`](https://github.com/cosmos/ibc-go/milestone/12): Final release of `v3.0.0` including Interchain Accounts, an update of Golang from `v1.15` to `v1.17`, and some core improvements. This is a Go-API breaking change because of [#472](https://github.com/cosmos/ibc-go/issues/472).
- [`v3.0.0-rc0`](https://github.com/cosmos/ibc-go/milestone/12): Release candidate 0 of `v3.0.0` including Interchain Accounts, an update of Golang from `v1.15` to `v1.17`, and some core improvements. This is a Go-API breaking release because of [#472](https://github.com/cosmos/ibc-go/issues/472) and [#675](https://github.com/cosmos/ibc-go/pull/675).

#### H2 February
### H2 February

- [`v4.0.0-beta`](https://github.com/cosmos/ibc-go/milestone/16): Beta release of `v4.0.0` including Relayer Incentivisation and the issues to bring ibc-go implementation in line with ICS02 (which are Go-API breaking changes). This release will include fixes to issues that surfaced during external audit.
- [`v3.a.0-alpha1`](https://github.com/cosmos/ibc-go/milestone/16): Alpha release of `v3.a.0` including Relayer Incentivisation. This release will include fixes to issues that surfaced during the internal audit.

#### H1 March
### H1 March

- [`v4.0.0-rc0`](https://github.com/cosmos/ibc-go/milestone/16): Release candidate 0 of `v4.0.0` including Relayer Incentivisation and the issues to bring ibc-go implementation in line with ICS02 (which are Go-API breaking changes).
- [`v3.0.0`](https://github.com/cosmos/ibc-go/milestone/12): Final release of `v3.0.0` including Interchain Accounts, an update of Golang from `v1.15` to `v1.17`, and some core improvements. This is a Go-API breaking release because of [#472](https://github.com/cosmos/ibc-go/issues/472) and [#675](https://github.com/cosmos/ibc-go/pull/675).
- [`v3.a.0-beta1`](https://github.com/cosmos/ibc-go/milestone/16): Beta release of `v3.a.0` including Relayer Incentivisation. This release will include fixes to issues that surfaced during the external audit.

#### H2 March
### H2 March

- [`v4.0.0`](https://github.com/cosmos/ibc-go/milestone/16): Final release of `v4.0.0` including Relayer Incentivisation and the issues to bring ibc-go implementation in line with ICS02 (which are Go-API breaking changes).
- [`v1.a.0`](https://github.com/cosmos/ibc-go/milestone/17): Minor release in `v1.x` seires including the update of Cosmos SDK to [`v0.46`](https://github.com/cosmos/cosmos-sdk/milestone/46) and Tendermint to [`v0.35`](https://github.com/tendermint/tendermint/releases/tag/v0.35.0).
- [`v2.a.0`](https://github.com/cosmos/ibc-go/milestone/18): Minor release in `v2.x` series including the update of Cosmos SDK to [`v0.46`](https://github.com/cosmos/cosmos-sdk/milestone/46) and Tendermint to [`v0.35`](https://github.com/tendermint/tendermint/releases/tag/v0.35.0).
- [`v3.a.0`](https://github.com/cosmos/ibc-go/milestone/19): Minor release in `v3.x` series including the update of Cosmos SDK to [`v0.46`](https://github.com/cosmos/cosmos-sdk/milestone/46) and Tendermint to [`v0.35`](https://github.com/tendermint/tendermint/releases/tag/v0.35.0).
- [`v4.a.0`](https://github.com/cosmos/ibc-go/milestone/22): Minor release in `v4.x` series including the update of Cosmos SDK to [`v0.46`](https://github.com/cosmos/cosmos-sdk/milestone/46) and Tendermint to [`v0.35`](https://github.com/tendermint/tendermint/releases/tag/v0.35.0).
- [`v3.a.0-rc0`](https://github.com/cosmos/ibc-go/milestone/16): Release candiate 0 `v3.1.0` including Relayer Incentivisation.

## Q2 - 2022

Scope is still TBD.
### Features

> Full scope still TBD.
### Support for Wasm-based light clients

There is an open [PR](https://github.com/cosmos/ibc-go/pull/208) that implements support for Wasm-based light clients, but it needs to be updated after the finalization of the [ICS28](https://github.com/cosmos/ibc/tree/master/spec/client/ics-008-wasm-client) specification. The PR need thorough review, more tests and potentially implementation changes.

## Release schedule

During this quarter we will also probably release versions that bump the Cosmos SDK to `v0.46` and to `v1.0`, but at the moment of writing it is difficult to estimate when. Check our roadmap regularly for updates.

### H1 April

### Release schedule
- [`v3.a.0`](https://github.com/cosmos/ibc-go/milestone/16): Final release of `v3.a.0` including Relayer Incentivisation.
- [`v4.0.0-rc0`](https://github.com/cosmos/ibc-go/milestone/16): Release candidate 0 of `v4.0.0` including the work for the issues to bring ibc-go implementation in line with ICS02 (which are Go-API breaking changes).

#### H1 April
### H2 April

- [`v5.0.0-rc0`](https://github.com/cosmos/ibc-go/milestone/21): Release candidate that includes the update of Cosmos SDK from `v0.46` to [`v1.0`](https://github.com/cosmos/cosmos-sdk/milestone/52) and that will support the migration to SMT storage.
- [`v4.0.0`](https://github.com/cosmos/ibc-go/milestone/16): Release candidate 0 of `v4.0.0` including the work for the issues to bring ibc-go implementation in line with ICS02 (which are Go-API breaking changes).

#### H2 April

- [`v5.0.0`](https://github.com/cosmos/ibc-go/milestone/21): Final release that includes the update of Cosmos SDK from `v0.46` to [v1.0](https://github.com/cosmos/cosmos-sdk/milestone/52) and that will support the migration to SMT storage.

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