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-rw-r--r--doc/release-notes.md6
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/release-notes.md b/doc/release-notes.md
index 5454dfc5ef..bd72eb2470 100644
--- a/doc/release-notes.md
+++ b/doc/release-notes.md
@@ -113,6 +113,12 @@ minimum relay feerate will be increased to match this feerate plus the initial
minimum relay feerate. The initial minimum relay feerate is set to
1000 satoshis per kB.
+Bitcoin Core 0.12 also introduces new default policy limits on the length and
+size of unconfirmed transaction chains that are allowed in the mempool
+(generally limiting the length of unconfirmed chains to 25 transactions, with a
+total size of 101 KB). These limits can be overriden using command line
+arguments; see the extended help (`--help -help-debug`) for more information.
+
Replace-by-fee transactions
---------------------------