diff --git a/deploy/meshamerica-catalog.json b/deploy/meshamerica-catalog.json
index fa6494a..44a2ec7 100644
--- a/deploy/meshamerica-catalog.json
+++ b/deploy/meshamerica-catalog.json
@@ -17,19 +17,19 @@
           "role": "gui",
           "title": "Touch UI",
           "version": {
-            "beta_25": {
-              "notes": "The signal probe reads a live signal to your nearest repeater again. It sends the standard mesh node-discovery request that repeaters actually answer (the same one the Ultra and KiekR apps use), so the signal reading updates. Thanks to Tarmo for decoding the exact packet.\nBluetooth companion reliability, especially messages and repeater / room-server admin. The device no longer floods the Bluetooth link with a per-packet log (USB and Wi-Fi companions still get it), so incoming messages reach the app and admin actions like Manage Regions stop timing out. (Issues #46 and #54.)\nContacts show up right away. A node you discover, even while you're on another screen or one the phone app adds over Bluetooth, now appears in your contact list immediately instead of only after you change the sort. Thanks to 1nerdherder for the report. (Issue #73.)\nManual telemetry and status requests now work on the first tap instead of needing a second. Thanks to Dan Vybiral (@Vybo) for the fix. (Issue #81.)\nOn the emoji picker and quick-chat replies, pressing Esc or the red X now closes just the popup instead of the whole chat screen.\nLock screen: you can now unlock the device after the screen wakes from an incoming message.\nNew \"Advertise on boot\" option in the Advertise app (off by default): turn it on to send one advert when the device powers on, so nearby nodes refresh your details after a reflash. (Issue #76.)\nTanmatsu: Wi-Fi map tiles now download and display, cached to the microSD card.\nTanmatsu: contacts and message history now survive a reboot (moved to the microSD card, so keep a card inserted).\nTanmatsu: fixed the crash that stopped the app from booting; popups now fit the screen and scroll, and keyboard navigation stays inside an open popup.\nThis is the new stable build, promoted from the beta_25 test channel. It includes everything from the beta_22, beta_23, beta_24 and beta_25 test builds.",
+            "beta_27": {
+              "notes": "Fixed a reboot loop that could hit while the device saved its contact list. Internal-flash housekeeping during a save could freeze the device long enough to trip the watchdog and restart it; that save no longer trips it. Thanks to the crash report that pinned it down.\nDevices installed under the Launcher no longer show the on-device \"Install update\" button. That update path only works on a standalone flash; under the Launcher it failed with \"won't fit: Bad Size Given\". The \"update available\" note stays, but you update through the Launcher instead. Thanks to Keith (KM1USR) for the report.\nKeyboard backlight brightness control on the T-Deck: a live slider plus Off / 25 / 50 / 75 / Max presets in Settings > Keyboard. It dims smoothly (fine-grained at the low end), applies to the on and auto modes and the new-message flash, and survives a reboot. Thanks to Yazutsu (PR #85).\nOn devices with a microSD card, contacts and channels are now kept on the card (like chat history and map tiles already are). Your existing contacts move over automatically on first boot; your identity and settings stay in internal flash, so the node is unchanged. Keep the card inserted afterwards - the contact list lives on it, and an older firmware won't look there if you ever downgrade.\nThis is the new stable build, promoted from the beta_27 test channel. It includes everything from the beta_26 and beta_27 test builds.",
               "files": [
                 {
                   "type": "flash-wipe",
                   "name": "wadamesh-heltec-v4-tft-merged.bin",
-                  "url": "https://firmware.wadamesh.com/releases/TOUCH/beta_25/wadamesh-heltec-v4-tft-merged.bin",
+                  "url": "https://firmware.wadamesh.com/releases/TOUCH/beta_27/wadamesh-heltec-v4-tft-merged.bin",
                   "title": "Full install (bootloader + firmware)"
                 },
                 {
                   "type": "flash-update",
                   "name": "wadamesh-heltec-v4-tft.bin",
-                  "url": "https://firmware.wadamesh.com/releases/TOUCH/beta_25/wadamesh-heltec-v4-tft.bin",
+                  "url": "https://firmware.wadamesh.com/releases/TOUCH/beta_27/wadamesh-heltec-v4-tft.bin",
                   "title": "Update (app only)"
                 }
               ]
@@ -49,19 +49,19 @@
           "role": "gui",
           "title": "Touch UI",
           "version": {
-            "beta_25": {
-              "notes": "The signal probe reads a live signal to your nearest repeater again. It sends the standard mesh node-discovery request that repeaters actually answer (the same one the Ultra and KiekR apps use), so the signal reading updates. Thanks to Tarmo for decoding the exact packet.\nBluetooth companion reliability, especially messages and repeater / room-server admin. The device no longer floods the Bluetooth link with a per-packet log (USB and Wi-Fi companions still get it), so incoming messages reach the app and admin actions like Manage Regions stop timing out. (Issues #46 and #54.)\nContacts show up right away. A node you discover, even while you're on another screen or one the phone app adds over Bluetooth, now appears in your contact list immediately instead of only after you change the sort. Thanks to 1nerdherder for the report. (Issue #73.)\nManual telemetry and status requests now work on the first tap instead of needing a second. Thanks to Dan Vybiral (@Vybo) for the fix. (Issue #81.)\nOn the emoji picker and quick-chat replies, pressing Esc or the red X now closes just the popup instead of the whole chat screen.\nLock screen: you can now unlock the device after the screen wakes from an incoming message.\nNew \"Advertise on boot\" option in the Advertise app (off by default): turn it on to send one advert when the device powers on, so nearby nodes refresh your details after a reflash. (Issue #76.)\nTanmatsu: Wi-Fi map tiles now download and display, cached to the microSD card.\nTanmatsu: contacts and message history now survive a reboot (moved to the microSD card, so keep a card inserted).\nTanmatsu: fixed the crash that stopped the app from booting; popups now fit the screen and scroll, and keyboard navigation stays inside an open popup.\nThis is the new stable build, promoted from the beta_25 test channel. It includes everything from the beta_22, beta_23, beta_24 and beta_25 test builds.",
+            "beta_27": {
+              "notes": "Fixed a reboot loop that could hit while the device saved its contact list. Internal-flash housekeeping during a save could freeze the device long enough to trip the watchdog and restart it; that save no longer trips it. Thanks to the crash report that pinned it down.\nDevices installed under the Launcher no longer show the on-device \"Install update\" button. That update path only works on a standalone flash; under the Launcher it failed with \"won't fit: Bad Size Given\". The \"update available\" note stays, but you update through the Launcher instead. Thanks to Keith (KM1USR) for the report.\nKeyboard backlight brightness control on the T-Deck: a live slider plus Off / 25 / 50 / 75 / Max presets in Settings > Keyboard. It dims smoothly (fine-grained at the low end), applies to the on and auto modes and the new-message flash, and survives a reboot. Thanks to Yazutsu (PR #85).\nOn devices with a microSD card, contacts and channels are now kept on the card (like chat history and map tiles already are). Your existing contacts move over automatically on first boot; your identity and settings stay in internal flash, so the node is unchanged. Keep the card inserted afterwards - the contact list lives on it, and an older firmware won't look there if you ever downgrade.\nThis is the new stable build, promoted from the beta_27 test channel. It includes everything from the beta_26 and beta_27 test builds.",
               "files": [
                 {
                   "type": "flash-wipe",
                   "name": "wadamesh-tdeck-merged.bin",
-                  "url": "https://firmware.wadamesh.com/releases/TOUCH/beta_25/wadamesh-tdeck-merged.bin",
+                  "url": "https://firmware.wadamesh.com/releases/TOUCH/beta_27/wadamesh-tdeck-merged.bin",
                   "title": "Full install (bootloader + firmware)"
                 },
                 {
                   "type": "flash-update",
                   "name": "wadamesh-tdeck.bin",
-                  "url": "https://firmware.wadamesh.com/releases/TOUCH/beta_25/wadamesh-tdeck.bin",
+                  "url": "https://firmware.wadamesh.com/releases/TOUCH/beta_27/wadamesh-tdeck.bin",
                   "title": "Update (app only)"
                 }
               ]