chore: prepare release 0.9.0

SiaFoundation · Jan 16, 2025 · c535ac7 · c535ac7
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diff --git a/.changeset/add_transaction_construction_api.md b/.changeset/add_transaction_construction_api.md
diff --git a/...t/added_a_test_for_migrations_to_ensure_consistency_between_database_schemas.md b/...t/added_a_test_for_migrations_to_ensure_consistency_between_database_schemas.md
diff --git a/.changeset/log_startup_errors_to_stderr.md b/.changeset/log_startup_errors_to_stderr.md
diff --git a/.changeset/support_v2_hardfork.md b/.changeset/support_v2_hardfork.md
diff --git a/.changeset/use_standard_locations_for_application_data.md b/.changeset/use_standard_locations_for_application_data.md
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,64 @@
+## 0.9.0 (2025-01-16)
+
+### Breaking Changes
+
+#### Support V2 Hardfork
+
+The V2 hardfork is scheduled to modernize Sia's consensus protocol, which has been untouched since Sia's mainnet launch back in 2014, and improve accessibility of the storage network. To ensure a smooth transition from V1, it will be executed in two phases. Additional documentation on upgrading will be released in the near future.
+
+##### V2 Highlights
+- Drastically reduces blockchain size on disk
+- Improves UTXO spend policies - including HTLC support for Atomic Swaps
+- More efficient contract renewals - reducing lock up requirements for hosts and renters
+- Improved transfer speeds - enables hot storage
+
+##### Phase 1 - Allow Height
+- **Activation Height:** `513400` (March 10th, 2025)
+- **New Features:** V2 transactions, contracts, and RHP4
+- **V1 Support:** Both V1 and V2 will be supported during this phase
+- **Purpose:** This period gives time for integrators to transition from V1 to V2
+- **Requirements:** Users will need to update to support the hardfork before this block height
+
+##### Phase 2 - Require Height
+- **Activation Height:** `526000` (June 6th, 2025)
+- **New Features:** The consensus database can be trimmed to only store the Merkle proofs
+- **V1 Support:** V1 will be disabled, including RHP2 and RHP3. Only V2 transactions will be accepted
+- **Requirements:** Developers will need to update their apps to support V2 transactions and RHP4 before this block height
+
+#### Use standard locations for application data
+
+Uses standard locations for application data instead of the current directory. This brings `walletd` in line with other system services and makes it easier to manage application data.
+
+##### Linux, FreeBSD, OpenBSD
+- Configuration: `/etc/walletd/walletd.yml`
+- Data directory: `/var/lib/walletd`
+
+##### macOS
+- Configuration: `~/Library/Application Support/walletd.yml`
+- Data directory: `~/Library/Application Support/walletd`
+
+##### Windows
+- Configuration: `%APPDATA%\SiaFoundation\walletd.yml`
+- Data directory: `%APPDATA%\SiaFoundation\walletd`
+
+##### Docker
+- Configuration: `/data/walletd.yml`
+- Data directory: `/data`
+
+### Features
+
+- Log startup errors to stderr
+
+#### Add transaction construction API
+
+Adds two new endpoints to construct transactions. This combines and simplifies the existing fund flow for simple send transactions.
+
+See API docs for request and response bodies
+
+### Fixes
+
+- Added a test for migrations to ensure consistency between database schemas
+
 ## 0.8.0
 
 This is the first stable release for the walletd app -- the new reference wallet for users and exchanges

diff --git a/go.mod b/go.mod
@@ -1,4 +1,4 @@
-module go.sia.tech/walletd
+module go.sia.tech/walletd // v0.9.0
 
 go 1.23.1