2021-06-10 v0.4

This release contains the following:

Features

• Initial toy-chat implementation

Changes

• The toy-chat application can now perform lightpush and request content-filtered messages from remote peers.
• The toy-chat application now uses default content topic /toy-chat/2/huilong/proto
• Improve toy-chat briding to matterbridge
• Improve swap logging and enable soft mode by default
• Content topics are no longer in a redundant nested structure
• Improve error handling

API

• JSON-RPC Store API: Added an optional time-based query to filter historical messages.
• Nim API: Added resume method.

Fixes

• Connections between nodes no longer become unstable due to keep-alive errors if mesh grows large
• Re-enable lightpush tests and fix Windows CI failure

The Waku v2 suite of protocols are still in a raw/draft state.
This release supports the following libp2p protocols:

Protocol	Spec status	Protocol id
17/WAKU-RLN	raw	/vac/waku/waku-rln-relay/2.0.0-alpha1
11/WAKU2-RELAY	draft	/vac/waku/relay/2.0.0-beta2
12/WAKU2-FILTER	draft	/vac/waku/filter/2.0.0-beta1
13/WAKU2-STORE	draft	/vac/waku/store/2.0.0-beta3
18/WAKU2-SWAP	draft	/vac/waku/swap/2.0.0-beta1
19/WAKU2-LIGHTPUSH	draft	/vac/waku/lightpush/2.0.0-beta1

The Waku v1 implementation is stable but not under active development.