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-rw-r--r--doc/doc-txt/ChangeLog6
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index 1b38268b4..3b160cb86 100644
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -109,6 +109,12 @@ PP/01 Update the openssl_options possible values through OpenSSL 1.1.1c.
allow_no_dhe_kex, cryptopro_tlsext_bug, enable_middlebox_compat,
no_anti_replay, no_encrypt_then_mac, prioritize_chacha, tlsext_padding
+JH/23 Performance improvement in the initial phase of a two-pass queue run. By
+ running a limited number of proceses in parallel, a benefit is gained. The
+ amount varies with the platform hardware and load. The use of the option
+ queue_run_in_order means we cannot do this, as ordering becomes
+ indeterminate.
+
Exim version 4.93
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