Change log file for Exim from version 4.21
-------------------------------------------
+This document describes *changes* to previous versions, that might
+affect Exim's operation, with an unchanged configuration file. For new
+options, and new features, see the NewStuff file next to this ChangeLog.
+
+Exim version 4.89
+-------------------
+JH/01 Bug 1922: Support IDNA2008. This has slightly different conversion rules
+ than -2003 did; needs libidn2 in addition to linidn.
+
+JH/02 The path option on a pipe transport is now expanded before use.
+
Exim version 4.88
-----------------
signed directly by the cert-signing cert, rather than an intermediate
OCSP-signing cert. This is the model used by LetsEncrypt.
+JH/33 Bug 1914: Ensure socket is nonblocking before draining after SMTP QUIT.
+
+HS/01 Fix leak in verify callout under GnuTLS, about 3MB per recipient on
+ an incoming connection.
+
+HS/02 Bug 1802: Do not half-close the connection after sending a request
+ to rspamd.
+
+HS/03 Use "auto" as the default EC curve parameter. For OpenSSL < 1.0.2
+ fallback to "prime256v1".
+
+JH/34 SECURITY: Use proper copy of DATA command in error message.
+ Could leak key material. Remotely explaoitable. CVE-2016-9963.
+
Exim version 4.87
-----------------