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PBTS: Introduce consensus param to enable PBTS, along with all validation to update it

Remove legacy params subspace args from ibc keepers

GovPreventSpamDecorator is no longer needed

Attackers can perform an inexpensive DoS attack by spamming Vote transactions

[Bug]: Account sequence mismatch

PBTS: should synchrony parameters be adaptive?

Run compatibility tests for `main` nightly or once a week

p2p: Switch.OnStop uses stale and already mutated PeerSet.List() which could have data race consequences due to a leaky abstraction of using .List()

p2p: PeerSet.Remove naively & inefficiently creates new slices each time discarding all the work preallocating, but could simply re-slice

style: privval/FilePVLastSignState.CheckHRS can use early returns and refactor by reverse conditional for more idiomatic Go code to reduce nesting

request for free software integration: coderabbit.ai

Improve setup cost calculation

test: e2e tests for changeover faililng on nightly

blocksync: Double conversion from proto not needed

Store sequences using big endian encoding to retain numeric ordering

Create an internal package to reduce public API surface

Remove `AllowUpdateAfterMisbehaviour`/`AllowUpdateAfterExpiry` from 07-tendermint client state.

Remove Checksums type for storing 08-wasm checksums.

Remove deprecated `ErrTimeoutPacket` error

Remove endpoint's `SetChannelState`

Rollback at a specific height causes the node to fail to start

Deprecated Dockerfiles in the CometBFT repository

Reduce usage of exported.PacketI

Consider deleting upgrade information only rather than calling abort in TimeoutExecuted

Trim event emission on channel upgrades

Add defensive replay protection check into WriteAcknowledgement

Refund stuck fees when ics29 is downgraded in an upgrade (edge case scenario)

protect against wrapped upgrade error leading to panic

Add codespace to NewErrorAcknowledgement

CVEs for security