From 86f2ddebce7e98ce7cacc27e8a5c14cb53b51b51 Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Mon, 1 Jun 2026 17:01:26 +0200
Subject: [PATCH 1/2] Release version 0.66

---
 CHANGELOG           | 12 +++++++++++-
 Makefile            |  4 ++--
 docs/source/conf.py |  2 +-
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 01faf44c2..5810cf08f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,8 +2,18 @@
 List of major changes and improvements between releases
 =======================================================
 
-Yosys 0.65 .. Yosys 0.66-dev
+Yosys 0.65 .. Yosys 0.66
 --------------------------
+ * Various
+    - C++ compiler with C++20 support is required.
+    - Please be aware that next release will also
+      migrate to CMake build system.
+ 
+ * New commands and options
+    - Added "lattice_dsp_nexus" pass for Lattice Nexus
+      DSP inference.
+    - Added "-scopename" option to "synth_gatemate" pass
+      that is propagated to "flatten".
 
 Yosys 0.64 .. Yosys 0.65
 --------------------------
diff --git a/Makefile b/Makefile
index 6ee34070d..99a00fd40 100644
--- a/Makefile
+++ b/Makefile
@@ -161,7 +161,7 @@ ifeq ($(OS), Haiku)
 CXXFLAGS += -D_DEFAULT_SOURCE
 endif
 
-YOSYS_VER := 0.65
+YOSYS_VER := 0.66
 
 ifneq (, $(shell command -v git 2>/dev/null))
 ifneq (, $(shell git rev-parse --git-dir 2>/dev/null))
@@ -170,7 +170,7 @@ ifneq (, $(shell git rev-parse --git-dir 2>/dev/null))
         YOSYS_VER := $(YOSYS_VER)+$(GIT_COMMIT_COUNT)
     endif
 else
-    YOSYS_VER := $(YOSYS_VER)+post
+#    YOSYS_VER := $(YOSYS_VER)+post
 endif
 endif
 
diff --git a/docs/source/conf.py b/docs/source/conf.py
index b85c391db..92975d3df 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -6,7 +6,7 @@ import os
 project = 'YosysHQ Yosys'
 author = 'YosysHQ GmbH'
 copyright ='2026 YosysHQ GmbH'
-yosys_ver = "0.65"
+yosys_ver = "0.66"
 
 # select HTML theme
 html_theme = 'furo-ys'

From 8bb194af22d1ced67bd96c6597c4a2898b6d89a5 Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Mon, 1 Jun 2026 18:23:28 +0200
Subject: [PATCH 2/2] Next dev cycle

---
 CHANGELOG | 3 +++
 Makefile  | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG b/CHANGELOG
index 5810cf08f..61b221bc9 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,9 @@
 List of major changes and improvements between releases
 =======================================================
 
+Yosys 0.66 .. Yosys 0.67-dev
+--------------------------
+
 Yosys 0.65 .. Yosys 0.66
 --------------------------
  * Various
diff --git a/Makefile b/Makefile
index 99a00fd40..8bb1c0b2a 100644
--- a/Makefile
+++ b/Makefile
@@ -170,7 +170,7 @@ ifneq (, $(shell git rev-parse --git-dir 2>/dev/null))
         YOSYS_VER := $(YOSYS_VER)+$(GIT_COMMIT_COUNT)
     endif
 else
-#    YOSYS_VER := $(YOSYS_VER)+post
+    YOSYS_VER := $(YOSYS_VER)+post
 endif
 endif