diff --git a/CHANGELOG.md b/CHANGELOG.md
index 18bf17878..39fbd9b8e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,32 @@ Update this for each mainnet deployment.
 
 ## mainnet
 
+Aug 4, 2022 at 09:30:00 Central European Summer Time
+
+ts/client changes
+
+- rename getGroupForAdmin -> getGroupForCreator
+- rename getInNativeUsdcUnits -> getEquivalentNativeUsdcPosition
+- rename getMangoAccountForOwner-> getMangoAccountsForOwner
+- getOrCreateMangoAccount and createMangoAccount take an explicit payer, previously it was just implicitly using the client provider's wallet
+- upgraded anchor npm package to latest
+- anchor is now a git submodule
+
+new features
+
+- many rust liquidator improvements
+- mango account is now dynamically sized and is expandable, there is a new account_expand ix, default size of account is 8 token positions, and 2 serum3 and 2 perp positions, expanded account has 16 token positions and 8 serum3 and 8 perps for now
+- group account - has a creator field which is set on creation and should never change, is used for pda derivation, has a new fast_listing_admin field for governance, and also has a group_edit ix to change both the admin keys
+- group account - has a version field, version 0 which is used in the setup scripts for now, means serum3 and perp market registration is forbidden, and multiple banks are prevented from been added
+- each account now has a reserved space of around 256 bytes
+- flash loan ix 1 and 2 are removed, flash loan 3 has been renamed to just flash loan
+- mint_info, serum3 markets and perp markets have a field called registration_time which is seconds from epoch, e.g. use case how freshly has the market been added, if it was recently added then liquidity might need some time to improve
+- removed fields and commented out code for address lookup tables
+- new ix to register tokens trustlessly
+- insurance fund for trustless vs not trustful
+- token registration ixs dont take a bank_num anymore, hardcoded to 0
+- enforced a minimum maximum rate of 50% so that rates don't fall so low that they cannot recover
+
 Jul 14, 2022 at 09:33:52 Central European Summer Time
 https://explorer.solana.com/tx/vZ5hP1vGp37fgzBfG9nb4nfA5ZdmYgk8meq53YPR4ReFxrcTwBUxTYBQUgnfAnq9u5fH36S3QTfb9mVkBXt5A6C