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RELEASE_NOTES.md

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Release Notes

The Release Procedure is defined in the CONTRIBUTING document.

v6.6.0

Highlights:

  • Cosmos SDK v0.47.11 update.
  • Adding new auction module to our app.
  • Removing crisis module from our app.

CHANGELOG

Auction module

We propose a new Cosmos SDK module, that will provide mechanism for protocol owned auctions. UX Chain will now auction a portion of collected fees and introduce a token burning mechanism, unlocking a way to a potentially deflationary UX token. Documentation: x/auction/README.md

Validators

Upgrade Title (for Cosmovisor): v6.6.

Update Price Feeder to umee/2.4.3+.

NOTE: after the upgrade, you should restart your Price Feeder. We observed that Price Feeder doesn't correctly re-establish a connection after the chain upgrade.

libwasmvm update

Our dependencies have been updated. The binary requires libwasmvm v1.5.2. When you build the binary from source on the server machine you probably don't need any change. However, when you download a binary from GitHub, or from another source, make sure you update the /usr/lib/libwasmvm.<cpu_arch>.so. For example:

  • copy from $GOPATH/pkg/mod/github.com/!cosm!wasm/[email protected]/internal/api/libwasmvm.$(uname -m).so
  • or download from github wget https://raw.githubusercontent.com/CosmWasm/wasmvm/v1.5.2/internal/api/libwasmvm.$(uname -m).so -O /lib/libwasmvm.$(uname -m).so

You don't need to do anything if you are using our Docker image.

Upgrade instructions

  • Download latest binary or build from source.
  • Make sure libwasmvm.$(uname -m).so is properly linked
    • Run the binary to make sure it works for you: umeed version
  • Wait for software upgrade proposal to pass and trigger the chain upgrade.
  • Swap binaries.
  • Ensure latest Price Feeder (see compatibility matrix) is running and ensure your price feeder configuration is up-to-date.
  • Restart the chain.
  • Restart Price Feeder.

You can use Cosmovisor → see instructions.

Docker

Docker images are available in ghcr.io umee-network repository.