v0.19.8

Composer v0.19.8

Welcome to Hyperledger Composer v0.19.8, this release comes with a variety of bug fixes to assist you in your composing delight. A big shout out to our external contributors in this release - thank you, each and every contribution is valued 🤗

Bug fixes

🐞 #4080 enables the ability to serialise concepts to JSON, and comes with a shout out to @dselman along with some emojis 👍 🚀
🐞 #4098 fixes a bug relating to circular references with multiple relationships.
🐞 #4104 updates the documentation and tutorials to follow some coding changes that were made, yet unfortunately did not get reflected in the associated documentation
🐞 #4088 updates the angular generator tests to ensure that once generated, they pass.
🐞 #4112 changes the lodash dependancy in our cardstore , and comes with a shout out to @mttrbrts for his contribution 👍 🕺
🐞 #4117 reduces the job polling interval so that jobs are closed sooner... and comes with yet another shout out to @mttrbrts 👍

Notes

⚠️ If using the Composer tooling to create a Hyperledger Fabric development server, this will now be creating a v1.1.0 server by default. If you are using Composer v0.16.x, you will need to use Fabric v1.0.x, and you must set an environment variable via export FABRIC_VERSION=hlfv1 when using the Hyperledger Fabric development servers provided by Composer.

⚠️ If you have not specified a version in your npm or docker commands when pulling Composer binaries, and you need to keep using Composer v0.16.x, then you *must specify the version number:

• npm install -g [email protected]
• docker pull hyperledger/composer-cli:0.16.6

We strongly suggest that you migrate to Composer v0.19.x instead, but we understand that existing projects may need to stick with Composer v0.16.x for the time being.

⚠️ Business Network Cards are not transferable between v0.16.x and v0.17.x onwards. It will be necessary to manually clear your card store in order to use a different version. Please note that the CLI command to delete a named card will not work correctly if targeting a named card that was created from a different version.

⚠️ The Composer Tools is now setting up a Fabric v1.1 network. Unfortunately only Composer v0.18.2 and above are (and will be) compatible with this alpha driver. There are multiple support splits across differing Fabric levels, so please be careful with what versions are being used:

• v0.18.2, v0.19.0 and above are compatible with the Fabric 1.1.0 driver only
• v0.18.0 -> v0.18.1 are compatible with the Fabric RC1 driver only
• v0.17.3 -> v0.17.6 are compatible with Fabric alpha driver only
• v0.17.0 -> v0.17.2 are compatible with Fabric preview driver only

⚠️ The is a change in the business network lifecycle administration, and business network card commands between v0.18.2 and v0.19.0

Conga Comics

The resident artist, who has recently been renamed "the conga comic king" (aka @EdMoffatt) has kindly bequeathed upon his citizens a new Conga Comic ... introducing a CongaBlock to the expanding Conga-verse:

If you are new to Conga Comics, then you can view the complete Conga Comic collection at https://congacomic.tumblr.com