Dev Pulse 113: Big HDK Change This week’s Holochain release b | Holochain Announcements

Dev Pulse 113: Big HDK Change

This week’s Holochain release brings a substantial change to the HDK: validation is based on DHT ops, not source chain elements. This change is coming now as part of the core dev team’s effort to stabilise the HDK so you don’t have to refactor your code as often.

Read on for all the news!

Dev Pulse 113: https://buff.ly/3JSHJPq

Highlights:

* A note on 'breaking HDK changes'
* Release notes for 0.0.126
- HDK → 0.0.122, no breaking changes
- instant subtract panic fixed
- delete and friends now can take a DeleteInput for relaxed chain top ordering (no breaking changes; you can still pass a header hash)
* Release notes for 0.0.127
- Big change: new validation approach
- Sharding on by default
- HDK → 0.0.123
- init can now call call
- new hash function + helpers; hash_entry now becomes a helper function w/o breaking changes
- Breaking: origin_time in DNA manifest
- Breaking: two changes to P2P protocol: (1) hashes no longer passed along with data, (2) nodes can sync by 'region'
- Lots of documentation updates courtesy of @jost
* DWeb webinar on decentralised storage
* Decentralised storage on HC with file-storage module
* Video: Scaffolding a hApp in less than 10 minutes
* Video and demo repo: Bundling your hApp with Electron