Release Notes
What's new in Guava.
May 12, 2026
The Guava CLI makes gains in utility and flexibility. Increased naturalness makes TTS even better at an essential over-the-phone skill.
New Features
Guava CLI
guava createandguava updatenow support non-interactive mode; scripts and CI pipelines can run the CLI without prompts.- Added
guava numbers listto list phone numbers from the CLI. - Added
guava runto run your agent project locally. - The Guava CLI is now available as a Windows binary.
Guava Agent API
- Added
get_var/set_varas shorter aliases forget_variable/set_variable. call_infois now accessible directly on thecallobject.- The Python SDK can now authenticate using CLI credentials.
Improvements
For spelling back words (e.g. "I have that as 'Guava, spelled G-U-A-V-A'"), TTS is improved in pronunciation and speed (rate of speech).
May 5, 2026
The Guava Agent API gains direct voice configuration, DTMF event support, and call ID access. Campaigns now support custom caller IDs for pre-approved accounts.
New Features
Guava Agent API
- Added
voiceparameter to the Agent class — voice can now be set directly on the agent. - Exposed
call.idfor use in agent code. - Added support for DTMF events.
Campaigns
- Pre-approved accounts can set their own number as the caller ID for outbound calls.
CLI
guava deploycan now use.envfiles to mount secrets.- One login can now access multiple orgs.
Improvements
- Increased robustness of ASR background noise rejection and short utterance handling.
- Various ease-of-use updates to Guava CLI.
April 29, 2026
The public SIP gateway is live. Guava agents can receive and place calls over SIP.
Voicemail detection for Guava agents is configurable and testable. Outbound agents, of course!
WebRTC is supported in the Guava CLI
Agent / Call API receives expanded and refined capabilities, including:
- escalation support: the supervisor can escalate calls
- simpler language mode setting for agents
Campaigns API has streamlined outbound campaign creation and modification
one-time passwords (OTPs) replace magic links for login/authentication.
Questions? hi@goguava.ai