Updated references, picking up a fix in the sky130 I/O cell libraries and a few fixes in the GF libraries.

diff --git a/VERSION b/VERSION
index fd8cf7b..8ff9415 100644
--- a/VERSION
+++ b/VERSION

@@ -1 +1 @@
-1.0.579
+1.0.580

diff --git a/gf180mcu/gf180mcu.json b/gf180mcu/gf180mcu.json
index d6abedb..dc8b668 100644
--- a/gf180mcu/gf180mcu.json
+++ b/gf180mcu/gf180mcu.json

@@ -96,18 +96,18 @@
         "magic": "MAGIC_COMMIT"
     },
     "reference": {
-        "open_pdks": "7b70722e33c03fcb5dabcf4d479fb0822d9251c9",
-        "magic": "ecd6ec56aeab8cdf73a50a95c353076efd6b40a3",
+        "open_pdks": "228083a99d4b9963c256f39d8d323deb8fd463ac",
+        "magic": "67c6ed939514e537773f9f01cc2ecca5c3400c44",
         "gf180mcu_pdk": "a897aa30369d3bcec87d9d50ce9b01f320f854ef",
         "gf180mcu_fd_pr": "216e518bf74c8bbcce31ba06802000de998fe3f0",
-        "gf180mcu_fd_pv": "f11c57297495e2e7c2ece93fbcf203740fd9c435",
-        "gf180mcu_ws_klayout": "81dae519f8105d469dc4c89671a718c4f4370483",
+        "gf180mcu_fd_pv": "c2e63329c4a367471e3a9b8de5ef75c5faff5948",
+        "gf180mcu_ws_klayout": "7636804aa430fed842535e3d660f94de8ac4754c",
         "gf180mcu_fd_io": "545621fdbac44f55344834e6c03486310c0862d7",
         "gf180mcu_fd_sc_mcu7t5v0": "5641d172662a7d9086e5b99c5d54506c05e65cee",
         "gf180mcu_fd_sc_mcu9t5v0": "e0e80f5a6522f10b82165d3aeab9b8ee28e89849",
         "gf180mcu_fd_ip_sram": "9c411928870ce15226228fa52ddb6ecc0ea4ffbe",
         "gf180mcu_as_sc_mcu7t3v3": "94449964567d710e3dab608f1a932f87c718d4f3",
-        "gf180mcu_ocd_io": "b6dcaaba63912ba3cf878bfa0adb749e1c8caa31",
+        "gf180mcu_ocd_io": "a559ee0bbc5744fdb64a9f75d3ab9415a5315e09",
         "gf180mcu_ocd_alpha": "0597ebd5732987dbcd149e02c38525c1c5bf2a58",
         "gf180mcu_ocd_ip_sram": "2c2a6019df7f2404cc0794dd3b2302d85d917688",
         "gf180mcu_osu_sc_gf12t3v3": "aa2fa8cd1bcb8fe98669acd05c0b0c65879268b3",

diff --git a/sky130/sky130.json b/sky130/sky130.json
index 16422a4..b67461f 100644
--- a/sky130/sky130.json
+++ b/sky130/sky130.json

@@ -94,15 +94,15 @@
         "magic": "MAGIC_COMMIT"
     },
     "reference": {
-        "open_pdks": "7b70722e33c03fcb5dabcf4d479fb0822d9251c9",
-        "magic": "ecd6ec56aeab8cdf73a50a95c353076efd6b40a3",
+        "open_pdks": "228083a99d4b9963c256f39d8d323deb8fd463ac",
+        "magic": "67c6ed939514e537773f9f01cc2ecca5c3400c44",
         "sky130_fd_pr": "403964dc7f9cca5ec1a8cc7b4f2a6f532b781676",
-        "sky130_fd_io": "e60737bf624df95c211fe99c007ddec78e3e081d",
+        "sky130_fd_io": "3156656ea72293ef2cb2ea9a9560d9e97e306a26",
         "sky130_fd_sc_hs": "a9f2ed0471c3f939a7bacc7ecca0a6e1277bb589",
         "sky130_fd_sc_ms": "29650994547dd83610ccd0a29bae14d665a9e556",
         "sky130_fd_sc_ls": "4283919deb7eb4ed195c2b6e95431a812491f6d0",
         "sky130_fd_sc_lp": "b93a1a75fa1b864872ebb0b078f6a2dd6e318d7c",
-        "sky130_fd_sc_hd": "be430b5f78487f09b4d6b2084a33e830b65a4bf1",
+        "sky130_fd_sc_hd": "9cb2d7cb8ed4619094263614039a61b6b2d22a88",
         "sky130_fd_sc_hdll": "f67521458137f30a01ec76aad3028e77581446ae",
         "sky130_fd_sc_hvl": "e5413e01fa071029ba84d9faa98d9acd80e75a38",
         "sky130_osu_sc_t12": "ac90ef0c622a9377a16b5218d9da3ac4169eeaaf",