Odoo model

mail.thread

Email Thread. Defined in module mail; exists in Odoo 16, 17, 18, 19, 20. Across the upgrade steps we tracked: 1 fields added, 2 removed, 0 renamed.

Odoo 16 mail
Odoo 17 mail
Odoo 18 mail
Odoo 19 mail
Odoo 20 mail

Odoo 16 to 17

Community only All changes in this step

Fields removed (1)

Field	Type	Module	Notes
message_main_attachment_id	many2one	mail

Fields added (1)

Field	Type	Module
rating_ids	one2many	rating

Odoo 17 to 18

Community only All changes in this step

No change to this model's own fields in this step.

Odoo 18 to 19

Community + Enterprise All changes in this step

No change to this model's own fields in this step.

Odoo 19 to 20

Community + Enterprise All changes in this step

Fields removed (1)

Field	Type	Module	Notes
website_message_ids	one2many	portal

Now also inherits bus.listener.mixin, mail.track.mixin (fields from these parents are listed on their own pages).

All fields declared on mail.thread (14)

Fields this model declares itself in any version, with the versions they exist in. Inherited fields (mail.thread and other mixins) are on the parent model's page.

present not present not covered (Enterprise, Odoo 16 and 17)

Show all 14 fields

Field	Type	Label	Module
has_message	boolean		mail
message_attachment_count	integer	Attachment Count	mail
message_follower_ids	one2many mail.followers	Followers	mail
message_has_error	boolean	Message Delivery error	mail
message_has_error_counter	integer	Number of errors	mail
message_has_sms_error	boolean	SMS Delivery error	sms
message_ids	one2many mail.message	Messages	mail
message_is_follower	boolean	Is Follower	mail
message_main_attachment_id	many2one ir.attachment	Main Attachment	mail
message_needaction	boolean	Action Needed	mail
message_needaction_counter	integer	Number of Actions	mail
message_partner_ids	many2many res.partner	Followers (Partners)	mail
rating_ids	one2many rating.rating	Ratings	rating
website_message_ids	one2many mail.message	Website Messages	portal

Related models

Inherits: bus.listener.mixin mail.track.mixin

Linked by its relational fields: ir.attachment mail.followers mail.message rating.rating res.partner

Coverage. Odoo 16 to 17 and 17 to 18 compare Community modules only (the Enterprise 16 and 17 sources are not available to us). Odoo 18 to 19 and 19 to 20 include Community and Enterprise modules. Everything here comes from a static read of the Odoo source code: a field counts as removed only when no parent model, mixin or delegated model still provides it. Fields created dynamically at run time can be missed, and entries we could not confirm are marked as low confidence.

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