release notes 1.12.4

Signed-off-by: Vladimir Shishkin <[email protected]>

CHANGELOG.md

@@ -1,5 +1,7 @@
 # Hyperledger Indy Node Release Notes
 
+* [1.12.4](#1124)
+
 * [1.12.3](#1123)
 
 * [1.12.2](#1122)
@@ -60,6 +62,30 @@
 
 Although every attempt has been made to make this information as accurate as possible, please know there may be things that are omitted, not fully developed yet, or updates since this publication that were not included in the information below. Only the most pressing or significant items have been listed. For the entire list of tickets and or specific information about any given item, please visit the list at [Hyperleder Indy's Jira](https://jira.hyperledger.org/). Once logged in, simply navigate to Projects > Indy.
 
+## 1.12.4
+### Release date: Aug 19th, 2020
+
+### Component Version Information
+| Components | Version Numbers |
+| --- | --- |
+| indy-plenum | 1.12.4 |
+| indy-node | 1.12.4 |
+| sovrin | 1.1.89 |
+
+### Additional Information:
+
+**There are possible OOM issues during 3+ hours of target load or large catch-ups at 8 GB RAM nodes pool so 32 GB is recommended.**
+
+### Major Changes
+- NYM dynamic validation check transaction w/out verkey or role
+
+### Detailed Changelog
+
+#### Changes and Additions
+| Description | Additional Information | Ticket Number |
+| --- | --- | --- |
+| NYM dynamic validation check transaction w/out verkey or role | | |
+
 ## 1.12.3
 ### Release date: Jun 1st, 2020