From 34de7276a20cde2c51aa0db14dd8de95d3abfc52 Mon Sep 17 00:00:00 2001
From: Ignace Nyamagana Butera <nyamsprod@gmail.com>
Date: Sun, 31 Mar 2019 07:53:06 +0200
Subject: [PATCH] prepare 4.7.0 release

---
 CHANGELOG.md                   | 2 +-
 docs/4.0/sequence/container.md | 3 ++-
 phpunit.xml                    | 1 +
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3a30ccab..714ef84d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 All Notable changes to `Period` will be documented in this file
 
-## Next - TBD
+## 4.7.0 - 2019-03-31
 
 ### Added
 
diff --git a/docs/4.0/sequence/container.md b/docs/4.0/sequence/container.md
index e6fe7693..531932d3 100644
--- a/docs/4.0/sequence/container.md
+++ b/docs/4.0/sequence/container.md
@@ -137,11 +137,12 @@ Sequence::substract(Sequence $sequence): Sequence
 
 This method enables substracting a `Sequence` instance from another one. It internally use `Period::substract` and as such is not commutative.
 
+<p class="message-notice"><strong>warning:</strong> This method is not optimized for substracting two large collection of <code>Sequence</code> objects.</p>
+
 The following diagram gives you an overview of how the method works:
 
 [![](/media/sequence-substract2.png "Sequence substraction: How it works")](/media/sequence-substract.png)
 
-
 #### Examples
 
 ~~~php
diff --git a/phpunit.xml b/phpunit.xml
index f0ba9617..f97662ed 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -9,6 +9,7 @@
          convertNoticesToExceptions="true"
          convertWarningsToExceptions="true"
          processIsolation="false"
+         cacheResult="true"
          stopOnFailure="false">
 
     <testsuites>