Security

Functionality to block Countries by IP ranges
Option which allows to use unsecured passwords
Shows and logs failed login attempts
Option to set Maximum Call Rate for the Customer to avoid losses in case server is hacked
Security measure which informs admin over email if weird IP is trying to login to the system
Added actions to mark weird logins and allow/disallow actions from the admin
Now browser sessions are tied to the IP. If IP changes during the work time - system will ask to relogin

Troubleshooting

Complete Call Tracing rework to show 100% correct information directly from the Core
Upgraded Server Check functionality to cover more cases

Invoice page reworked for better usability
Invoice by Destinations generation speed increase
Option which allows to group Subscriptions by their ID in the PDF/XLSX invoices
Invoice generation tune which only allows proper date selections
XLSX invoice templates now support 'Company/Personal ID' and 'Agreement number'
Added additional fields 'Invoice number' and 'TAX Registration Number' to the Invoice CSV export
Functionality to delete all invoices at once
Option not to generate invoices for Blocked Users

CDR Comparison/Dispute Management functionality
Aggregates by Devices
Country Stats does not show calls to DIDs anymore
DID Tariffs by CallerID page tune to explain functionality better
Calls per Hour, HGC and Active Calls reports now have filter by Destination Groups
Added additional search filters to the DID page and Email page
Functionality to Automatically Export CDRs
Added Provider column and search field to the Payments page
Option for reseller receive email about new registration
Added actions which mark tariff changes - now possible to see who and when changed for some tariff
Extended CDR Export functionality (more fields)
Added additional variables to the CDR Export email
Quick Stats on the front page now shows Replication status

API quickstats_get to reseller and user
API recordings_get now returns link to download recording mp3 file
API user_balance_get allows 'user' as an option to return balance in user's currency
API user_details_get returns more info
API device_update now can be used to update device's extension
API rate_get now can return rate for full destination
API users_get now returns primary_device, device username/password, ip and port
Extended API tariff_rates_get to return more fields
Device Call Timeout option to the APIs: device_update and device_create
Callback now has uniqueid and support in APIs: callback_init, recordings_get and user_calls

Now it is possible to rerate several selected users at once
Option do not change Increment when importing new rates
Added Search functionality to the Number Pools
Option to drop call if Provider's Connection Fee is more than User's Connection Fee
Option to hide CallerID for Users with privacy option
Option to pass Privacy header
Option to localize P-Asserted-Identity for Device and Provider
Huge speed increase for Dynamic Blacklisting
Added editing functionality to the GUI for Dynamic Blacklisting
Functionality to hide unused devices
Number pools import tune for increased performance
Responsible Accountant functionality for Parner
Setting to kill the Call if it has long PDD
BLF support
Free Extension lookup logic rework for better speed

Protocols H323 and IAX2 and codec G723 are disabled by default in new installations due to stability issues
On new installations Calls are archived after 365 days