Update pi-hole to 2026.02.0 (#4817)

pi-hole/docker-compose.yml

@@ -2,7 +2,7 @@ version: "3.7"
 
 services:
   server:
-    image: pihole/pihole:2025.11.1@sha256:91dc91ddd413bf461c283204558f8f21839851e9824799075a7ceff7c77eea40
+    image: pihole/pihole:2026.02.0@sha256:ee348529cea9601df86ad94d62a39cad26117e1eac9e82d8876aa0ec7fe1ba27
     # Pi-hole doesn't currently support running as non-root
     # https://github.com/pi-hole/docker-pi-hole/issues/685
     # user: "1000:1000"

pi-hole/umbrel-app.yml

@@ -2,7 +2,7 @@ manifestVersion: 1.1
 id: pi-hole
 category: networking
 name: Pi-hole
-version: "2025.11.1"
+version: "2026.02.0"
 tagline: Block ads on your entire network
 description: >-
   Instead of browser plugins or other software on each computer,
@@ -37,12 +37,17 @@ releaseNotes: >-
 
 
   This release includes several improvements and bug fixes:
-    - Improved FTL startup detection and log tailing
-    - Added RISCV architecture support back
-    - Updated DNS listening mode to 'ALL' in the example docker-compose.yml
-    - Added instructions for excluding Pi-hole from Watchtower updates
+    - Updated embedded SQLite to version 3.51.2
+    - Updated embedded dnsmasq to version 2.92rc1
+    - Improved gravity domain validation processing speed
+    - Enhanced query log loading performance
+    - Reduced startup delay and optimized low-memory hardware performance
+    - Fixed security vulnerabilities in the web interface
+    - Improved network overview with MAC and hostname information from DHCP leases
+    - Added option to hide network connection errors
+    - Hardened default Content Security Policy
 
 
-  Full release notes can be found at https://github.com/pi-hole/docker-pi-hole/releases/tag/2025.11.1
+  Full release notes can be found at https://github.com/pi-hole/docker-pi-hole/releases/tag/2026.02.0
 submitter: Umbrel
 submission: https://github.com/getumbrel/umbrel/commit/9ca55a25e043dcd50d5cb92c6ec756d368bb4794