v0.6.259

What's Changed

• remove extra spaces by @BykhovDenis in #5930
• Fix class not found error in blob middleware by @kristina-fefelova in #5939
• Reload when upgrade by @BykhovDenis in #5942
• Disable aggregation by account for notifications by @kristina-fefelova in #5943
• UBERF-7428: Upgrade mongo client & Fix memory issues by @haiodo in #5940
• UBERF-7389: Instant chat messages by @lexiv0re in #5941

Full Changelog: v0.6.258...v0.6.259