Plume will be releasing software updates from time to time. These updates will happen automatically, on a rolling basis. It may take up to a week from release for your location to receive the update.
Your Pods must be connected to the Plume network to receive the software updates. If any of your Pods are offline, please plug or re-plug them back into the outlet.
SuperPod Firmware Version 3.4.1-60 (Release Date: 11/3/21)
- Enhancement - Updated Sense to version 4.1.2:
- Reduced rx_motion logging output only to debug-related messages
- improved stability of rx_motion (SuperPod-AX)
- Bug Fix - Fixed SM crash due to out of memory assertion caused by redundant allocations of hapd objects. (OpenSync)
- Bug Fix - Fixed enabling/disabling of the "Persist Configuration on GW" feature. (OpenSync)
- Bug Fix - FCM: Resolved deregistration of OVSDB monitor events during plugin removal. (OpenSync)
- Bug Fix -Extended wired client traffic counters from 32 to 64 bits. (OpenSync)
- Bug Fix -Removed parameters gcsainteropaggr and scsainteropaggr to prevent warnings related to iwpriv. (SuperPod)
- Bug Fix -Reduced system recovery time after a link loss caused by a beacon loss. (SuperPod-AX)
SuperPod Firmware Version 3.4.1-50 (Release Date: 8/5/21)
- Enhancement - Provided detailed memory footprint in logpull. (OpenSync)
- Enhancement - The FSM DPI engine now provides ICMP flow direction. (OpenSync)
- Enhancement - Decreased DPI plugin log level to reduce the amount of generated traceback logs.
- Enhancement - Provided detailed memory footprint in logpull. (OpenSync}
- Enhancement - The FSM DPI engine now provides ICMP flow direction. (OpenSync)
- Enhancement - The pod RSSI value is now based on the actual measured noise floor. The measured RSSI value is accurate within +-5 dBi. (OpenSync)
- Enhancement - Enabled DPP Easy Connect device onboarding with cloud-based DPP key. (OpenSync)
- Enhancement - Identification of traffic flow direction to detect the vulnerable devices inside LAN and to mitigate possible security incidents. (OpenSync)
- Enhancement - Added FSM inline support for router mode. (OpenSync)
- Enhancement - Introduced LAN statistics. The collected statistics represent the characteristics of network traffic flows between:
- Various end-clients in LAN and WLAN networks
- Clients in (W)LAN network and devices in WAN network (OpenSync)
- Enhancement - Node to retain uptime timestamp in OVSDB. (OpenSync)
- Enhancement - Introduced Secure DNS and HTTP full URL support. (OpenSync)
- Enhancement - Added support for DNS, URL, IP and App lookup in the Plume Policy Engine. (OpenSync)
- Enhancement - Introduced cloud support for WDS/MAP 4-Address backhaul. (OpenSync)
- Enhancement - Updated Ookla endpoint. (SuperPod, SuperPod-AX)
- Enhancement - Decreased DPI plugin log level to reduce the amount of generated traceback logs.
- Enhancement - Ability to configure DPI sandbox memory usage. (SuperPod, SuperPod-AX)
- Enhancement - A new thermal table has been introduced to prevent excessive thermal reboots of the Pods. (SuperPod)
- Enhancement - Prevented syslog flooding with message "hostapd: atheros_raw_receive: BSSID does not match - ignore". (SuperPod)
- Enhancement - Handled syslog flooding with mgmt frame-related messages. (SuperPod)
- Enhancement - Added iptables hashlimit module.
- Enhancement - Supported dual alternating Bluetooth advertising (connecting/non-connecting beacon).
- Enhancement - Motion compatibility between different HW platforms.
- Enhancement - Updated Motion stack to version 3.6.1 (SuperPod)
- Enhancement - Supported chirping against the ath9k AP. (SuperPod)
- Enhancement - Hostap log spamming when WPS is enabled has been reduced. The selected CTRL_IFACE debug logs have been suppressed. (SuperPod)
- Enhancement - Hardware-accelerated PPPoE traffic. (SuperPod)
- Enhancement - Enabled netfilter nfqueues. (SuperPod)
- Enhancement - Added support for WPA3-Personal.
- Enhancement - Updated hostapd on QCA 11ac platforms to 2.10. (SuperPod)
- Enhancement - Enabled connmark kernel module support. (SuperPod-AX)
- Enhancement - Upgraded GA WiFi driver to version 20.1.1. (SuperPod-AX)
- Enhancement - Improved reliability of DFS topologies (SuperPod-AX)
- Enhancement - Fixed unintended enabling of the mpc setting. (SuperPod-AX)
- Enhancement - Added HTTP 2.0 support for libcurl. (SuperPod-AX)
- Enhancement - Included nghttp2 packet. (SuperPod-AX)
- Enhancement - NetFilter nfqueues support is now enabled. (SuperPod-AX)
- Enhancement - Config for IGMP/MLD Proxy now supports Multicast acceleration (L07). (SuperPod-AX)
- Enhancement - CConfig for IGMP/MLD Snooping now supports Multicast acceleration (L07). (SuperPod-AX)
- Enhancement - Updated Motion stack to version 4.1. (SuperPod-AX)
- Bug Fix - Included previously archived syslog messages in addition to the current ones. (SuperPod)
- Bug Fix - Resolved issue with the VPN client (PPTP) running on a client device with enabled inline DPI. (SuperPod, SuperPod-AX)
- Bug Fix - MBO is disabled unless for WPA3 security type. (SuperPod-AX)
- Bug Fix - Improved stability and reliability of the SW. (SuperPod-AX)
- Bug Fix - Included previously archived syslog messages in addition to the current ones. (SuperPod-AX)
- Bug Fix - Introduced cloud support for WDS/MAP 4-Address backhaul. (OpenSync)
- Bug Fix - Prevented overwriting of FSM log level by enabling mDNS. (OpenSync)
- Bug Fix - Included previously archived syslog messages in addition to the current ones. (SuperPod)
- Bug Fix - Resolve issue with the VPN client (PPTP) running on a client device with enabled inline DPI. (SuperPod-AX)
- Bug Fix - Prevented overwriting of FSM log level by enabling mDNS. (OpenSync)
- Bug Fix - Improved FSM unloading of the DPI plugin. (OpenSync)
- Bug Fix - Resolved memory leaks within the gateway offline feature. (OpenSync)
- Bug Fix - Fixed handling of static IP addresses and allowed multiple default routes (WANO). (OpenSync)
- Bug Fix - Fixed parsing error in the mDNS OpenSync plugin. (OpenSync)
- Bug Fix - Reduced verbosity of hostapd warnings. (OpenSync)
- Bug Fix - Fixed Stats Manager crashes due to null pointer when using the hostapd. (OpenSync)
- Bug Fix - Improved robustness of hostapd while getting the state of VAP creation. (OpenSync)
- Bug Fix - Resolved issue with PPPoE plus VLAN scenario – when applying the WANO config with a combination of PPPoE and VLAN, Pods were crashing. (OpenSync)
- Bug Fix - Resolved issue with PPPoE plus VLAN scenario – when applying the WANO config with a combination of PPPoE and VLAN, Pods were crashing. (OpenSync)
- Bug Fix - Resolved issue with PPPoE plus VLAN scenario – when applying the WANO config with a combination of PPPoE and VLAN, Pods were crashing. (OpenSync)
- Bug Fix - Extended memory allocation for LAN flow stats that are no longer missing in the MQTT messages. (OpenSync)
- Bug Fix - Key is no longer missing in the wpa_psks field of the Wifi_VIF_State OVSDB table.(OpenSync)
- Bug Fix - Fixed LAN connectivity losses after prolonged internet outages. (OpenSync)
- Bug Fix - Bluetooth no longer gets stuck in connectable mode.
- Bug Fix - Fixed issue with closing connections after disabling UPnP. (SuperPod)
- Bug Fix - Handled corner cases with startup of Bluetooth firmware. (SuperPod)
- Bug Fix - Due to reported DNSpooq vulnerabilities, the Dnsmaq package has been upgraded to version 2.83. (SuperPod)
- Bug Fix - Reset watchdog counter to the default value. (SuperPod)
- Bug Fix - Fixed communication errors with Bluetooth chip when disabling the Bluetooth beacons. (SuperPod)
- Bug Fix - Fixed QCA WiFi FW crash when switching a channel with a large number of connected clients. (SuperPod)
- Bug Fix - Updated channel allocator null condition check before (Re)Start the tracking interval timer to avoid crashing of WiFi driver. (SuperPod)
- Bug Fix - Enabling/disabling of IGMP Snooping now works properly. (SuperPod-AX)
- Bug Fix - Fixed issue with the client's oftag not being populated when the WPA3-Personal Transition Mode is configured. (SuperPod-AX)
- Bug Fix - The wpa_psks field is not populated in Wifi_VIF_State table when the default_oftag is used. (SuperPod-AX)
- Bug Fix - Fixed healthcheck script to verify the hostapd daemon (SuperPod-AX)
- Bug Fix - Fixed device steering support on Captive Portal. (SuperPod-AX)
- Bug Fix - Reenabled leaf pod connecting in cases when the WAN interface receives its IP address over PPPoE (SuperPod-AX)
- Bug Fix - For locations in router mode and with bridged IPTV service, the MCPD daemon is now configured to act as a snooping device and not as a Proxy. (SuperPod-AX)
- Bug Fix - Fixed creation denying of HW flows when GRE is configured on LAN/WLAN (PON only). This helps the extenders to connect to the cloud. (SuperPod-AX)
- Bug Fix - Prevented log flooding with genenv_sys entries. This prevents the log pulls from covering only short periods of time. (SuperPod-AX)
- Bug Fix - Fixed kernel crashes while running DFS tests. (SuperPod-AX)
- Bug Fix - Fixed client connectivity issues on the 5GL radio. After the fix, SuperPod-AX again responds to the client probe and authentication requests. (SuperPod-AX)
- Bug Fix - Fixed PCP tag applying. (SuperPod-AX)
- Bug Fix - Fixed inconsistent authentication requirement blocking policy (client steering). (SuperPod-AX)
- Bug Fix - Fixed channel switch scheduler to handle multiple BSS up (same BSS) that it doesn't go into loop. (SuperPod-AX)
- Bug Fix - Resolved infinite loop reading channel events. (SuperPod-AX)
- Bug Fix - Prevented Aggregation and Fragmentation Attacks against WiFi (CVE-2020-24588).(SuperPod-AX)
- Bug Fix - Fixed issue with closing connections after disabling UPnP. (SuperPod-AX)
- Bug Fix - LAN stats now properly update in bridge mode. (SuperPod-)AX
- Avoided negative SNR readings in band steering manager. (SuperPod-AX)
- Bug Fix - Fixed persistent storage issues after firmware update. Persistent storage content, such as configuration settings, reboot count, and reboot reasons data
remains on pods after completing firmware updates (SuperPod-AX) - Bug Fix - Handled corner cases with startup of Bluetooth firmware. (SuperPod-AX)
- Bug Fix - Removed HW acceleration counters from logpull due to triggering kernel crashes (SuperPod-AX)
- Bug Fix - Due to reported DNSpooq vulnerabilities, the Dnsmaq package has been upgraded to version 2.83. (SuperPod-AX)
- Bug Fix - Resolved throughput drops to Kbps when sometimes connected to a leaf pod. (SuperPod-AX)
- Bug Fix - Fixed showing of wifi clients which are connected to the open security type. (SuperPod-AX)
- Bug Fix -Fixed communication errors with Bluetooth chip when disabling the Bluetooth beacons. (SuperPod-AX)
- Bug Fix -The vlanctl tool is now used for VLAN creating and modifying. (SuperPod-AX)
- Bug Fix - Supporting VLANs with mcpd. (SuperPod-AX)
- Bug Fix - Reduced leaf onboarding time using WDS backhaul. (SuperPod-AX)
- Bug Fix - Fixed beacon corruption during CSA. (SuperPod-AX)
SuperPod Firmware Version 3.2.2-72 (Release Date: 4/26/21)
- Bug Fix - Fixed Wireless Manager crashes after receiving MAC addresses of more than 64 connected clients from virtual access points. (OpenSync}
- Bug Fix - Reduced backhaul link stabilization time. This results in a shorter required time for the leaf pods to come online. (SuperPod-AX)
- Bug Fix - Fixed connectivity issues on the 5GL radio. After the fix, SuperPod-AX again responds to the client probe and authentication requests. (SuperPod-AX)
- Bug Fix - Fixed system log floods with radar detection messages. (SuperPod-AX)
- Bug Fix Fixed global pod Pv6 address refreshing after expired valid time. (OpenSync)
SuperPod Firmware Version 3.2.2-69
- Bug Fix - Reduced backhaul link stabilization time. This results in a shorter required time for the leaf pods to come online. (SuperPod-AX)
- Bug Fix - Fixed connectivity issues on the 5GL radio. After the fix, SuperPod-AX again responds to the client probe and authentication requests. (SuperPod-AX)
- Bug Fix - Fixed system log floods with radar detection messages. (SuperPod-AX)
- Bug Fix - Fixed global pod IPv6 address refreshing after expired valid time. (OpenSync)
SuperPod Firmware Version 3.2.2-55 (Release Date: 3/27/21)
- Enhancement - Added WHERE statements with the "includes" and "excludes" conditions to ovsh.(OpenSync)
- Bug Fix - Fixed leaf connectivity issue in case of disabled IPv6 radvd service.
- Bug Fix - Fixed leaf issue with slow switching from unsecured to secure backhaul. (OpenSync)
- Bug Fix Fixed band steering issue caused by inconsistent authentication request blocking policy. (OpenSync BCM)
SuperPod Firmware Version 3.2.2-39 (Release Date: 2/18/21)
- Enhancement - Two-way Bluetooth communication temporarily unavailable
- Enhancement - Fixed claiming Pods in real-time
- Enhancement - Walleye plugin updated to version 1.36.2
- Enhancement - Added multicast HW support
- Enhancement - Platform - updated app detection signature file for digital well being
- Enhancement - Improved Pod reboot reason reporting in case of power cycle events
- Enhancement - Improved Cloud connection logic handling in dual-stack networks: IPv4 and IPv6
- Enhancement - Additional improvements for WAN link recovery
- Enhancement - Improved loop handling
- Enhancement - Improved recovery logic
- Enhancement - Additional improvements for WAN link recovery
- Enhancement - Improvements to speed test results
- Enhancement - Improved security patch
- Bug Fix - Fixed internal cache bug in band and client steering
- Bug Fix - Ignored non-routable IPv6 addresses when connecting to the cloud
- Bug Fix - Improved WAN handling logic in IPv6 SLAAC networks
- Bug Fix - Prevented possible memory leaks in traffic processing modules
- Bug Fix - Fixed app detection logic for apps that enable the use of services in specific IPv4 networks
- Bug Fix - Prevented possible crashes caused by incorrect handling of IGMP/MLD Proxy configuration
- Bug Fix - Improved handling of Ethernet clients
- Bug Fix - Prevented possible crashes during the initial Cloud connection phase in IPv6- E
enabled networks - Bug Fix - Fixed possible data loss in two-way BLE communication
- Bug Fix - Various bug fixes during boot up
- Bug Fix - Multiple crash fixes for SuperPod managers
- Bug Fix - Fix for performance drops
- Bug Fix - Fix for potential memory leaks
SuperPod Firmware Version 3.0.1-36 (Release Date: 11/1/20)
- Enhancement - Speedtest stability improvements
- Enhancement - Minor WiFi client statistics improvements
- Enhancement - Additional improvements for WAN link recovery
SuperPod Firmware Version 3.0.1-20 (Release Date: 8/05/20)
- Enhancement - Improved kernel crash reports
- Enhancement - Minor WPS related improvements
- Enhancement - Improve network connectivity with certain ISP gateways
- Enhancement - Improved WAN ethernet connection recovery logic
- Bug Fix - Fixed speed test performance degradation caused by certain ISP gateways
- Bug Fix - Prevent possible crashes
SuperPod Firmware Version 3.0.0-46 (Release Date: 6/20/20)
- Enhancement - Improve security of Motion modules
- Enhancement - Optimized CPU usage
- Enhancement - Improve configurability of client traffic processing services
- Enhancement – Added reboot reason logging and reporting to improve support
troubleshooting - Enhancement – Added IGMP/MLD proxy support required by some IPTV services
- Bug fix - Fixed reporting of client and band steering events
- Bug Fix - Properly disable WPS after client is connected for SuperPods
- Bug fix - Fix PSK skipped by WPS
- Bug fix - Prevent possible deadlock of traffic processing module
- Bug fix - Prevent possible crashes in tunnel creation logic during topology change
- Bug fix - Prevent possible crashes during traffic processing
- Bug fix - Fixed UPNP packet handling error
- Bug fix - Improve client steering logic
- Bug fix - Fixed LED handling
- Bug Fix - Improved GRE interface handling during topology changes
- Bug Fix - Improved DFS channel handling during topology changes
- Bug Fix - Fixed a potential manager crashes
- Bug Fix - Fixed a potential memory leak
- Bug Fix - Fixed Pod-to-pod roaming issue causing video call failures
SuperPod Firmware Version 2.4.3-98 (Release Date: 1/31/20)
- Bug Fix - SuperPod recovery failure when using Eth1 port with fixed MAC to IP address assignment in WAN DHCP server.
- Bug Fix - Handle IP Threat Protection with IPv6 WAN IP address
- Bug Fix - Added robustness for IP Threat Protection corner case when the network is configured Router Mode.
- Bug Fix - IPv6 default route on the router not getting updated in all cases.
- Bug Fix - Avoid an unnecessary recovery reboot to increase uptime.
- Bug Fix - Handle a corner case to increase uptime robustness when recovery requires a hard reboot.
- Bug Fix - Fix a condition that causes a rare kernel crash.
- Bug Fix - Occasional FSM crashes that can affect uptime.
- Bug Fix - Occasional CM process crashes that can affect uptime.
- Bug Fix - Reduced a DNS resolution timeout that caused failures in the security plugin.
- Bug Fix - Fix corner case that could cause leaf pod topology changes to fail.
- Enhancement - Removed a no-longer necessary restart of the Ethernet driver to improve port uptime.
- Enhancement - Upstream router connectivity is tested when the router does not reply to pings to prevent unnecessary loss of connectivity in some failure conditions.
SuperPod Firmware Version 2.4.3-72 (Release Date: 10/24/19)
- New Feature - Initial IP Threat Protection support
- New Feature - LAN IPV6 support in Router Mode
- New Feature - IPV4/IPV6 Dual Stack support in Router mode
- Enhancement - Improved throughput performance in router mode over backhaul links for SuperPod
- New Feature - Add OVS bridging acceleration support
- New Feature - Introduced advanced steering back-off
- Enhancement - Reduced air congestion
- Enhancement - Improved 802.11k roaming experience
- Enhancement - Improved DFS experience
- Enhancement - Handle steering clients who try to associate even after authentication was rejected
- Enhancement - Update Ookla speed test app
- Enhancement - Improved performance of static GRE backhaul links
- Enhancement - Improved memory compaction for robustness
- Enhancement - Upgrades to multiple managers
- Enhancement - Adjust threshold for allowing clients to connect on 2.4GHz
- Enhancement - Add support for cloud-configured steering during backoff periods
- Enhancement - Speed up the connection of wireless leaf pods
- Enhancement - Improved categorization for security and content events
- Bug Fix - Fix a race condition resulting in incorrect backhaul configuration
- Bug Fix - Various manager crashes and memory leaks
- Bug Fix - Fix for a popular camera brand disconnecting during optimization
- Bug Fix - Fix for a topology optimization issue
- Bug Fix - Fix a case where recovering from Ethernet or internet problems fails to restore the correct switch configuration
SuperPod Firmware Version 1.0.1-60 (Release Date: 9/5/19)
- Bug Fix - Platform - Disable Ethernet power save, to avoid interoperability issues
SuperPod Firmware Version 1.0.1-59 (Release Date: 5/23/19)
- Bug Fix - Only include BSSIDS that are currently active in the 11v BTM (Improved iPhone performance on iOS 12)
- Bug Fix - Handle a corner case when a recovery reboot is happening shortly after recovery succeeds (Full recovery time can take up to 20 minutes)
- Bug Fix - Limit how often a band steering request is sent
- Enhancement - Notify the cloud of client connection even if it moved BSSIDs on the same AP
- Bug Fix - Improve robustness of DNS resolutions when DNS reputation service is not responding
- Bug Fix - Retain the ability to recover from network problems in leaf pods
SuperPod Firmware Version 1.0.1-46 (Release Date: 4/12/19)
- Bug fix - Fix stuck Dakota Ethernet switch when operating in Bridge Mode
- Enhancement - Correctly identify the platform when applying SuperPod specific healthcheck tests
- Bug Fix - Fix for issue of clients connected to the Gateway pod are unable to connect to the internet
SuperPod Firmware Version 1.0.1-38 (Release Date: 3/13/19)
- Bug fix - Avoid reboot due to poor ethernet link
- Bug Fix - Fix misconfiguration due to radar events in the 5G band for DFS
- Bug Fix - Improve robustness of DNS filtering
- Bug Fix - Fix regression in the reliability of the detection of wired clients on leaf pods
- Bug Fix - Resolve crash for pod manager
- Enhancement - Skip link checking during refreshing state
- Bug Fix - Fix onboarding cases using eth1
- Bug Fix - platform changes for Ethernet switch getting stuck
- Bug Fix - Recovery script for manager
- Bug Fix - Protect against potential driver crash
- Enhancement - Reduce memory consumption of speed tests
- Bug Fix - Fix driver crash
- Enhancement - Remove unnecessary debug messages
- Bug Fix - Fix crashes on pod managers
- Minor enhancements and fixes
SuperPod Firmware Version 1.0.1-8 (Release Date: 1/21/19)
- Bug Fix - Fix potential memory leak
- Bug Fix - Fix logic problem that would falsely report client as not configured
- Bug Fix - Simplified log messaging
- Enhancement - Add support to report blocked DNS queries
- Bug Fix - Resolved delay in sending some packets
- Bug Fix - Handle a case that could result in crash
- Bug Fix - Fix potential kernel crash
- Enhancement - Debugging logs improvement
- Bug Fix - Fixed crash for Pod managers
- Bug Fix - Resolved corner case when client would exit back-off after re-connecting on 5 GHz
- Bug Fix - Don't continue BTM retries if client reconnects
- Bug Fix - Account for major clock drift adjustment for recording timestamps
- Bug Fix - Don't issue DHCP Request during dry-run
- Enhancement - Acceleration used in router mode for performing NAT (Enhanced Connection Manager)
- Enhancement - Memory, CPU, and FS statistics now reported every 2 minutes to debug logs
- Bug Fix - Ethernet clients should be applied to correct VLAN when appropriate
- Bug Fix - Fixed memory leak
- Bug Fix - Improved DNS handling robustness
SuperPod Firmware Version 1.0.0-45 (Release Date: 11/19/18)
- Bug Fix - Fix memory leak when processing HTTP
- Bug Fix - Improve handling of malformed DNS packet
- Bug Fix - Avoid rare kernel crash
- Bug Fix - Fix issue where an unsolicited DNS response could be looped
- Bug Fix - Fix a possible memory leak
- Bug Fix - Fix a crash when periodically flushing DNS request queue
- Bug Fix - Resolve case where network stayed offline when Internet up-link connection was restored
- Bug Fix - Small performance improvement by reverting to previous OVS version
- Bug Fix - Content Filtering Fix-up source MAC of forwarded DNS responses
- Bug Fix - Improved device logs
- Bug Fix - DNS health check bug causing reboot when unable to establish internet connection
- Bug Fix - Fix case where fan would become loud
- Bug Fix – Speed test crash resulting in 0 Mbps
- Enhancement - Content Filtering white-listing works faster
- Enhancement - Device Typing efficiency
SuperPod Firmware Version 1.0.0-37 (Release Date: 11/05/18)
- Fix: Customers experiencing intermittent performance degradation due to Flow Service Manager (FSM) crashing. FSM is partly responsible for Secure & Protect feature on the pods.
- Fix: Connectivity Manager intermittently crashes which causes the pod to disconnect
- Fix: DFS backhaul channels would fall back to 2.4Ghz due to RADAR events. Note: this will only apply to customers in EU
- Fix: Memory leak in Stats Manager would report invalid stats to the cloud which may cause the system not to optimise accurately
SuperPod Firmware Version 1.0.0 (Release Date: 9/28/18)
- New: Added support for IGMP Snooping
- New: Added support for 802.11v BSS Transition Management and 802.11k RRM Beacon Report during steering
- New: Native speed test utility
- Improved: Steering capabilities
- Fix: Steering will ignore disconnections if on the wrong band
- Fix: Devices that use 10 Mbps over Ethernet now stable
- Fix: Various bugs fixed that resulted in a stuck Ethernet Port
- Fix: Pods can be connected to other Pods so long as one of them is connected to a router. Including if Plume is acting as a Router. (Ethernet backhaul)
- Other minor bug fixes and improvements
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