2026.9.1

• Fix SMTP attaching valid images as files when content sniffing fails (@Chang-Jin-Lee - #176774) ([smtp docs])
• Warn that removing an app deletes its data in repair flows (@agners - #181009) ([hassio docs])
• Fix receive backup streaming (@MartinHjelmare - #181012) ([backup docs])
• Fix potential deadlock in receive_file backup util (@emontnemery - #181070) ([backup docs])
• Add missing state_class for miele filling level sensors (@astrandb - #181093) ([miele docs])
• Update python-roborock to 7.2.3 (@Lash-L - #181096) ([roborock docs])
• Bump vizaio to 0.6.1 for vizio state_extended 404 fallback fix (@raman325 - #181131) ([vizio docs]) (dependency)
• Stop rounding Amber Electric prices to 2 decimal places (@romeovan - #181157) ([amberelectric docs])
• Fix host override ignored in UniFi Protect public-only mode (@RaHehl - #181176) ([unifiprotect docs])
• Purge unreachable deleted devices on device registry load (@emontnemery - #181207)
• Bump pydaikin to 2.19.1 (hotfix) (@GhislainC - #181219) ([daikin docs]) (dependency)
• Fix Besen config flow schema serialization (@moryoav - #181223) ([besen docs])
• Speed up lookup of colliding orphans in device registry (@arturpragacz - #181244)
• Revert orjson to 3.11.9 (@emontnemery - #181245) (dependency)
• Bump aioflo to 2026.9.3 and scope Flo consumption by device (@BradKollmyer - #181246) ([flo docs])
• Bump serialx to 1.10.0 (@puddly - #181249) ([serial docs]) ([usb docs])
• Bump env-canada to 0.19.2 (@michaeldavie - #181250) ([environment_canada docs]) (dependency)
• Bump python-hotspring to 2.1.0 (hotfix) (@Moustachauve - #181256) ([hotspring docs]) (dependency)
• Bump samsung-exlink to 1.1.1 (@balloob - #181260) ([samsung_exlink docs]) (dependency)
• Reject Hot Spring Spa Network Adapter (SNA) in config flow (hotfix) (@Moustachauve - #181261) ([hotspring docs])
• Update knx-frontend to 2026.9.4.63549 (@farmio - #181268) ([knx docs]) (dependency)
• Allow empty motionEye usernames (@frenck - #181270) ([motioneye docs])
• Handle Tradfri devices without a firmware version (@frenck - #181276) ([tradfri docs])
• Update frontend to 20260826.6 (@bramkragten - #181293) ([frontend docs]) (dependency)
• Bump reolink_aio to 0.21.15 (@starkillerOG - #181300) ([reolink docs]) (dependency)
• Bump pylitterbot to 2025.6.5 (@natekspencer - #181346) ([litterrobot docs]) (dependency)
• Bump uiprotect to 16.6.1 (@RaHehl - #180670) ([unifiprotect docs]) (dependency)