v.2.7.8

Improvements:

1. Service dependencies were updated.

Bugs fixed:

1. [LUNA-5901] Connection returning to the postgres connection pool was fixed. Service did not returning connection into

   the pool sometimes. The service could to return error Database connection timeout error with code 10017

   in this case until an administrator did restart it.

2. [LUNA-5918] The query parameters validation for generate events request

   was fixed for zero length string parameters.

Migration:

See a migration manual.