add changelog

CHANGELOG.md

@@ -1,5 +1,61 @@
 # Lotus changelog
 
+# v1.12.0-rc1 / 2021-10-01
+
+This is the first release candidate for lotus v1.11.3. Changelog will be updated later.
+
+## Changelog
+- github.com/filecoin-project/lotus:
+  - bump the version to v1.12.0-rc1
+  - Upgrade to actors v6-rc1
+  - Set Chocolate upgrade epoch for butterfly
+  - reset of the butterfly network
+  - reset butterfly network
+  - Precommit batch balancer support/config ([filecoin-project/lotus#7410](https://github.com/filecoin-project/lotus/pull/7410))
+  - Extend FaultMaxAge to 6 weeks for actors v6 on test networks only ([filecoin-project/lotus#7421](https://github.com/filecoin-project/lotus/pull/7421))
+  - Update to actors master ([filecoin-project/lotus#7404](https://github.com/filecoin-project/lotus/pull/7404))
+  - Fix Drand fetching around null tipsets ([filecoin-project/lotus#7376](https://github.com/filecoin-project/lotus/pull/7376))
+  - ChainStore: Add a tiebreaker rule for tipsets of equal weight ([filecoin-project/lotus#7378](https://github.com/filecoin-project/lotus/pull/7378))
+  - Sync: Sanity check msg siggy type ([filecoin-project/lotus#7379](https://github.com/filecoin-project/lotus/pull/7379))
+  - Add v6 actors ([filecoin-project/lotus#7357](https://github.com/filecoin-project/lotus/pull/7357))
+  - Randomness: Move getters from ChainAPI to StateAPI
+- github.com/filecoin-project/go-state-types (v0.1.1-0.20210810190654-139e0e79e69e -> v0.1.1-0.20210915140513-d354ccf10379):
+  - Add v14
+- github.com/filecoin-project/specs-actors/v6 (null -> v6.0.0-20211001193936-c3afe7fa3c5c):
+  - Better logging (#1503) ([filecoin-project/specs-actors#1503](https://github.com/filecoin-project/specs-actors/pull/1503))
+  - Defensive programming: harden power actor against seal verify failures (#1502) ([filecoin-project/specs-actors#1502](https://github.com/filecoin-project/specs-actors/pull/1502))
+  - BatchBalancer fee charged on precommit aggregate (#1497) ([filecoin-project/specs-actors#1497](https://github.com/filecoin-project/specs-actors/pull/1497))
+  - Fix #1486 (#1489) ([filecoin-project/specs-actors#1489](https://github.com/filecoin-project/specs-actors/pull/1489))
+  - Sector extension deal weight bug fix  (#1498) ([filecoin-project/specs-actors#1498](https://github.com/filecoin-project/specs-actors/pull/1498))
+  - Fip 0021 (#1487) ([filecoin-project/specs-actors#1487](https://github.com/filecoin-project/specs-actors/pull/1487))
+  - Fix #176 (swap to xerrors from pkg/errors) (#1494) ([filecoin-project/specs-actors#1494](https://github.com/filecoin-project/specs-actors/pull/1494))
+  - Merge branch 'master' of github.com:filecoin-project/specs-actors
+  - Merge branch 'fix-799'
+  - compute the hash of the proposal iff the proposal hash is present (#1365) ([filecoin-project/specs-actors#1365](https://github.com/filecoin-project/specs-actors/pull/1365))
+  - Revert "Remove cc upgrade (#1473)" (#1475) ([filecoin-project/specs-actors#1475](https://github.com/filecoin-project/specs-actors/pull/1475))
+  - Remove cc upgrade (#1473) ([filecoin-project/specs-actors#1473](https://github.com/filecoin-project/specs-actors/pull/1473))
+  - Update to v6 (#1468) ([filecoin-project/specs-actors#1468](https://github.com/filecoin-project/specs-actors/pull/1468))
+  - go state types version revert (#1467) ([filecoin-project/specs-actors#1467](https://github.com/filecoin-project/specs-actors/pull/1467))
+  - Adjust code for subtle change in go-multihash 0.0.15 (#1463) ([filecoin-project/specs-actors#1463](https://github.com/filecoin-project/specs-actors/pull/1463))
+  - Bump go state types (#1464) ([filecoin-project/specs-actors#1464](https://github.com/filecoin-project/specs-actors/pull/1464))
+  - Create CODEOWNERS (#1465) ([filecoin-project/specs-actors#1465](https://github.com/filecoin-project/specs-actors/pull/1465))
+  - Test deterministic offset (#1462) ([filecoin-project/specs-actors#1462](https://github.com/filecoin-project/specs-actors/pull/1462))
+
+Contributors
+
+| Contributor | Commits | Lines ± | Files Changed |
+|-------------|---------|---------|---------------|
+| ZenGround0 | 12 | +4202/-2752 | 187 |
+| Aayush Rajasekaran | 19 | +4491/-825 | 169 |
+| c r | 4 | +1276/-435 | 37 |
+| Claudia Richoux | 12 | +1350/-209 | 43 |
+| Łukasz Magiera | 1 | +171/-13 | 8 |
+| Steven Allen | 2 | +115/-12 | 6 |
+| Travis Person | 2 | +19/-19 | 7 |
+| Peter Rabbitson | 1 | +5/-3 | 1 |
+| Jennifer Wang | 1 | +4/-4 | 7 |
+| Steve Loeppky | 1 | +6/-0 | 1 |
+
 # v1.11.3-rc1 / 2021-09-08
 
 This is the first release candidate for lotus v1.11.3. Changelog will be updated later.