update release notes

RELEASE-NOTES

@@ -1,27 +1,31 @@
-# Release 3.0 - Uncanny Valley (not released yet)
+# Release 3.0 - Uncanny Valley (November 1st, 2017)
 
-  * The project was migrated to Python3. Python2 is no longer
+  * The project was migrated to Python3 and Qt5. Python2 is no longer
-    supported. If you cloned the source directory, you will need to
+    supported. If you cloned the source repository, you will need to
     run "python3 setup.py install" in order to install the new
     dependencies.
 
   * Segwit support: 
-    - P2SH-segwit scripts are supported and can be used with hardware
+
-      wallets. To create a segwit wallet, trezor/ledger users will
+    - Native segwit scripts are supported using a new type of
-      need to provide a BIP49 derivation path.
+      seed. The version number for segwit seeds is 0x100. The install
-    - Native segwit scripts are supported with Electrum software
+      wizard will not create segwit seeds by default; users must
-      wallets, using a new type of seed. Segwit seeds have version
+      opt-in with the segwit option.
-      0x100. Note that the wizard will not create Segwit seeds by
+
-      default; users must opt-in with the segwit option.
     - Native segwit scripts are represented using bech32 addresses,
       following BIP173. Please note that BIP173 is still in draft
       status, and that other wallets/websites may not support
       it. Thus, you should keep a non-segwit wallet in order to be
       able to receive bitcoins during the transition period. If BIP173
-      ends up being rejected or substantially modified, bech32 wallets
+      ends up being rejected or substantially modified, your wallet
       may have to be restored from seed. This will not affect funds
       sent to bech32 addresses, and it will not affect the capacity of
       Electrum to spend these funds.
+
+    - Segwit scripts embedded in p2sh are supported with hardware
+      wallets or bip39 seeds. To create a segwit-in-p2sh wallet,
+      trezor/ledger users will need to enter a BIP49 derivation path.
+
     - The BIP32 master keys of segwit wallets are serialized using new
       version numbers. Version numbers are user visible, with the
       following prefixes:
@@ -33,7 +37,11 @@
 
   * A new version of the Electrum protocol is required by the client
     (version 1.1). Servers using older versions of the protocol will
-    not be visible in the GUI.
+    not be displayed in the GUI.
+
+  * By default, transactions are time-locked to the height of the next
+    block. Other values of locktime can be passed using the command
+    line.
 
 
 # Release 2.9.3