Fixes:

• Crash of rdbguard due to wrong argument handling. RS-156772.
• Engine could crash when executing some trigger(s) while another attachment modifies them. FB-8079.
• Incorrect blob subtype determining when changing the field type. RS-173361.
• ALTER TABLE ALTER COLUMN can not be changed properly in some cases. FB-7924.
• AV when attaching database while low of free memory. FB-8089.
• Added error message when using the rdblogmgr utility with a database that does not have replication configured. RS-171072.
• Don't log a message about successful binding to the LDAP server twice. RS-172553.
• Ignore trace options put_security_level/type for binary audit. RS-172434.
• Firebird 5 crash On Android API level 34. FB-8110.
• Firebird crashes if a plugin factory returns nullptr and no error in status. FB-8101.
• Correct trace event results in syslog. RS-175569.
• The hung or crash could happen when connection fires TRACE_EVENT_DETACH event and new trace session created concurrently. FB-8149.
• Deadlock happens when run 'List Trace Sessions' service and there are many active trace sessions. FB-8151.
• Can not specify concrete IPv6 address in ES/EDS connection string. FB-8156.
• Fix deadlock during index creation when parallel workers are used. RS-149880.
• Attempt to fix both RS-181723 and RS-153798 at once.
• Fix boolean conversion to string inside DataTypeUtil::makeFromList(). FB-8178.
• Ensure the CS listener uses the SO_REUSEADDR socket option. FB-8181.

Improvements:

• Increase the default guardian timeout before killing child processes to 30 minutes. RS-170296.
• New configuration parameter "LDAPConnectionRetries": number of attempts to connect to the servers in the LDAPServer list. New context variable "LDAP_SERVER" in "AUTHDATA" namespace. RS-167785.
• Don't raise an error if we change field type from BLOB to the compatible BLOB type. RS-152107.
• Don't search SYSDBA in LDAP, it should only exist in the security database. RS-172949.
• Implementation of "aggtrace" plugin. RS-168913.
• Ability to trace self security databases. RS-149657.
• Cardinality estimation should use primary record versions only. FB-8161.
• Allow a user with a trusted certificate to log in without an account in the security database. RS-98765.
• Print a warning and do not bring a database online at the end of restore if -N or -I option is used. RS-157476.