update changelog

CHANGELOG.md

@@ -1,8 +1,8 @@
 # Lotus changelog
 
-# 1.15.1-rc5 / 2022-03-31
+# 1.15.1-rc6 / 2022-04-07
 
-This is the fifth release candidate of the next *highly recommended* feature release v1.15.1. This feature release introduces Index Provider, GraphSync v2, and many other latest functionalities, improvements and bug fixes. 
+This is the sixth release candidate of the next *highly recommended* feature release v1.15.1. This feature release introduces Index Provider, GraphSync v2, and many other latest functionalities, improvements and bug fixes. 
 More importantly, node operator can now enable the FVM(experimental) to sync mainnet!!
 
 ## Highlights
@@ -70,6 +70,8 @@ Follow the instruction [here](https://lotus.filecoin.io/storage-providers/operat
 - feat: config: Move MakeNewSectorForDeals config into the Sealing section([filecoin-project/lotus#8382](https://github.com/filecoin-project/lotus/pull/8382))
 
 ## Bug Fixes
+- fix: market: Reuse the market PubSub in index provider #8451
+- fix: market: set all index provider options based on lotus config #8444  
 - fix: sealing: Fix PR1 worker selection (#8421)
 - fix: miner: dead loop on removing sector (#8421)
 - fix: sealing: Remove sector copies from workers after snapdeals ([filecoin-project/lotus#8331](https://github.com/filecoin-project/lotus/pull/8331))
@@ -118,6 +120,7 @@ Follow the instruction [here](https://lotus.filecoin.io/storage-providers/operat
 - feat: build: bump the version to v1.15.1-dev ([filecoin-project/lotus#8073](https://github.com/filecoin-project/lotus/pull/8073))
 - makefile: add make jen ([filecoin-project/lotus#8122](https://github.com/filecoin-project/lotus/pull/8122))
 - chore: Merge releases into master ([filecoin-project/lotus#8156](https://github.com/filecoin-project/lotus/pull/8156))
+- chore: ci: disable publish-packer #8451
 
 # 1.15.0 / 2022-03-09