Release 1.13.0

This brings in an important bugfix related to image generation.
Ref:
- https://github.com/64bit/async-openai/issues/507
- https://github.com/64bit/async-openai/pull/508

CHANGELOG.md

@@ -1,3 +1,30 @@
+# (2026-01-23) Version 1.13.0
+
+- (**Improvement**) Extend auto-switching to support cheaper models (`gpt-image-1-mini`) for `gpt-image-1` and `gpt-image-1.5` when generating stickers ([e0b4a40](https://github.com/etkecc/baibot/commit/e0b4a40))
+
+- (**Internal Improvement**) Upgrade Rust compiler (1.92.0 -> 1.93.0) ([691aeeb](https://github.com/etkecc/baibot/commit/691aeeb))
+
+- (**Internal Improvement**) Dependency updates
+
+
+# (2025-12-21) Version 1.12.0
+
+- (**Improvement**) Upgrade [async-openai](https://crates.io/crates/async-openai) (0.31.1 -> 0.32.2) and add support for OpenAI's `gpt-image-1.5` model ([08c689a](https://github.com/etkecc/baibot/commit/08c689a), [f7bf3d7](https://github.com/etkecc/baibot/commit/f7bf3d7))
+
+- (**Internal Improvement**) Dependency updates
+
+
+# (2025-12-15) Version 1.11.0
+
+- (**Feature**) Add support for custom avatars via file path and for keeping the already-set avatar (for those who wish to manage it by themselves via other means). See the [sample config](./etc/app/config.yml.dist) for details. ([062fbbb](https://github.com/etkecc/baibot/commit/062fbbb8ef9ad600db483a431c5c782402191023))
+
+- (**Internal Improvement**) Dependency updates ([99bde53](https://github.com/etkecc/baibot/commit/99bde53ef648a5a9086a96778fde4a9dbc1ede58))
+
+- (**Internal Improvement**) Documentation updates ([b3fd8e5](https://github.com/etkecc/baibot/commit/b3fd8e548f83fe46398ced4760d7e2bb7588c24d))
+
+- (**Internal Improvement**) Upgrade Rust compiler (1.91.1 -> 1.92.0) ([22906aa](https://github.com/etkecc/baibot/commit/22906aa2d3cae51815fad2560a545eaa69c247b6))
+
+
 # (2025-12-06) Version 1.10.0
 
 - (**Internal Improvement**) Dependency updates. This version is based on [mxlink](https://crates.io/crates/mxlink)@1.11.0 (which is based on the newly released [matrix-sdk](https://crates.io/crates/matrix-sdk)@[0.16.0](https://github.com/matrix-org/matrix-rust-sdk/releases/tag/matrix-sdk-0.16.0).

Cargo.toml

@@ -7,7 +7,7 @@ license = "AGPL-3.0-or-later"
 readme = "README.md"
 keywords = ["matrix", "chat", "bot", "AI", "LLM"]
 include = ["/etc/assets/baibot-torso-768.png", "/src", "/README.md", "/CHANGELOG.md", "/LICENSE"]
-version = "1.10.0"
+version = "1.13.0"
 edition = "2024"
 
 [lib]
@@ -17,12 +17,13 @@ path = "src/lib.rs"
 [dependencies]
 anthropic = { git = "https://github.com/etkecc/anthropic-rs.git", branch = "fix-content-block-image" }
 anyhow = "1.0.*"
-async-openai = { version = "0.31.1", features = ["audio", "chat-completion", "image"] }
+async-openai = { version = "0.32.3", features = ["audio", "chat-completion", "image"] }
 base64 = "0.22.*"
 chrono = { version = "0.4.*", default-features = false, features = ["std", "now"] }
 # We'd rather not depend on this, but we cannot use the ruma-events EventContent macro without it.
 # We add the `native-tls` feature, because of https://github.com/etkecc/rust-mxlink/issues/1
 matrix-sdk = { version = "0.16.0", default-features = false, features = ["native-tls"] }
+mime_guess = "2.0.*"
 mxidwc = "1.0.*"
 mxlink = ">=1.11.0"
 etke_openai_api_rust = "0.1.*"
@@ -31,9 +32,9 @@ regex = "1.12.*"
 serde = { version = "1.0.*", features = ["derive"], default-features = false }
 serde_json = "1.0.*"
 serde_yaml = "0.9.*"
-tempfile = "3.23.*"
+tempfile = "3.24.*"
 tiktoken-rs = { version = "0.9.*", default-features = false }
-tokio = { version = "1.48.*", features = ["rt", "rt-multi-thread", "macros"] }
+tokio = { version = "1.49.*", features = ["rt", "rt-multi-thread", "macros"] }
 tracing = "0.1.*"
 tracing-subscriber = { version = "0.3.*", features = ["env-filter"] }
 url = "2.5.*"

Dockerfile

@@ -4,7 +4,7 @@
 #                                     #
 #######################################
 
-FROM docker.io/rust:1.91.1-slim-trixie AS build
+FROM docker.io/rust:1.93.0-slim-trixie AS build
 
 RUN apt-get update && apt-get install -y build-essential pkg-config libssl-dev libsqlite3-dev
 

Dockerfile.ci

@@ -4,7 +4,7 @@
 #                                     #
 #######################################
 
-FROM docker.io/rust:1.91.1-slim-trixie AS build
+FROM docker.io/rust:1.93.0-slim-trixie AS build
 
 RUN apt-get update && apt-get install -y build-essential pkg-config libssl-dev libsqlite3-dev
 

docs/access.md

@@ -43,7 +43,8 @@ Administrators cannot be changed without adjusting the bot's configuration on th
 
 Room-local agent managers are users privileged to **create their own [agents](./agents.md)** (see `!bai agent`) in rooms.
 
-**⚠️ WARNING**: Letting regular users create agents which contact arbitrary network services **may be a security issue**.
+> [!WARNING]
+> Letting regular users create agents which contact arbitrary network services **may be a security issue**.
 
 The following commands are available:
 - **Show** the currently allowed users: `!bai access room-local-agent-managers`

docs/configuration/README.md

@@ -12,12 +12,15 @@ This file is created from the template found in [etc/app/config.yml.dist](../../
 
 Certain keys can be left unset, in which case [📝 hardcoded defaults](../../src/entity/cfg/defaults.rs) would be used.
 
-Each configuration key found in the YAML configuration can be overridden by setting an environment variable (dots should be replaced with `_`). Example:
+Some configuration keys found in the YAML configuration can be overridden by setting an environment variable (dots should be replaced with `_`). Example:
 
 - to override `command_prefix`, set an environment variable `BAIBOT_COMMAND_PREFIX`
 - to override `homeserver.server_name`, set an environment variable `BAIBOT_HOMESERVER_SERVER_NAME`
 
-The static configuration contains an `initial_global_config` key, which is used to populate the bot's global configuration (stored as [dynamic configuration](#dynamic-configuration)) the first time the bot starts. Modifying this subsequently will not have any effect. After initial global configuration creation, it's expected to be managed dynamically via chat commands.
+You can see the list of supported environment variables in the [🦀 src/entity/cfg/env.rs](../../src/entity/cfg/env.rs) file.
+
+> [!WARNING]
+> The static configuration contains an `initial_global_config` key, which is used to populate the bot's global configuration (stored as [dynamic configuration](#dynamic-configuration)) the first time the bot starts. Modifying this subsequently will not have any effect. After initial global configuration creation, it's expected to be managed dynamically via chat commands.
 
 
 ### Dynamic configuration

docs/sample-provider-configs/openai.yml

@@ -1,7 +1,7 @@
 base_url: https://api.openai.com/v1
 api_key: YOUR_API_KEY_HERE
 text_generation:
-  model_id: gpt-5.1
+  model_id: gpt-5.2
   prompt: "You are a brief, but helpful bot called {{ baibot_name }} powered by the {{ baibot_model_id }} model. The date/time of this conversation's start is: {{ baibot_conversation_start_time_utc }}."
   temperature: 1.0
   # Reasoning models need to use `max_completion_tokens` instead of `max_response_tokens`.
@@ -17,7 +17,7 @@ text_to_speech:
   speed: 1.0
   response_format: opus
 image_generation:
-  model_id: gpt-image-1
+  model_id: gpt-image-1.5
   style: null
   size: null
   quality: null

etc/app/config.yml.dist

@@ -11,6 +11,12 @@ user:
   # Leave empty to use the default (baibot).
   name: baibot
 
+  # An optional path to an image file to be used as a custom avatar image.
+  # - null or empty string: use the default avatar
+  # - "keep": don't touch the avatar, keep whatever is already set
+  # - any other value: path to a custom avatar image file
+  avatar: null
+
   encryption:
     # An optional passphrase to use for backing up and recovering the bot's encryption keys.
     # You can use any string here.
@@ -76,7 +82,7 @@ agents:
     #     base_url: https://api.openai.com/v1
     #     api_key: ""
     #     text_generation:
-    #       model_id: gpt-5.1
+    #       model_id: gpt-5.2
     #       prompt: "You are a brief, but helpful bot called {{ baibot_name }} powered by the {{ baibot_model_id }} model. The date/time of this conversation's start is: {{ baibot_conversation_start_time_utc }}."
     #       temperature: 1.0
     #       # Reasoning models need to use `max_completion_tokens` instead of `max_response_tokens`.
@@ -92,7 +98,7 @@ agents:
     #       speed: 1.0
     #       response_format: opus
     #     image_generation:
-    #       model_id: gpt-image-1
+    #       model_id: gpt-image-1.5
     #       style: null
     #       size: null
     #       quality: null

etc/services/core/compose.yml

@@ -14,7 +14,7 @@ services:
     - /etc/passwd:/etc/passwd:ro
 
   synapse:
-    image: ghcr.io/element-hq/synapse:v1.143.0
+    image: ghcr.io/element-hq/synapse:v1.144.0
     user: "${UID}:${GID}"
     restart: unless-stopped
     entrypoint: python
@@ -27,7 +27,7 @@ services:
     - ./synapse/media-store:/media-store
 
   element-web:
-    image: ghcr.io/element-hq/element-web:v1.12.4
+    image: ghcr.io/element-hq/element-web:v1.12.7
     user: "${UID}:${GID}"
     restart: unless-stopped
     environment:

etc/services/ollama/compose.yml

@@ -1,6 +1,6 @@
 services:
   ollama:
-    image: docker.io/ollama/ollama:0.13.0
+    image: docker.io/ollama/ollama:0.13.5
     restart: unless-stopped
     ports:
       - "${SERVICE_OLLAMA_BIND_PORT_HTTP}:11434"

src/agent/provider/openai/config.rs

@@ -1,6 +1,6 @@
 use serde::{Deserialize, Serialize};
 
-use super::OPENAI_IMAGE_MODEL_GPT_IMAGE_1;
+use super::OPENAI_IMAGE_MODEL_GPT_IMAGE_1_DOT_5;
 use crate::agent::{default_prompt, provider::ConfigTrait};
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -80,7 +80,7 @@ impl Default for TextGenerationConfig {
 }
 
 fn default_text_model_id() -> String {
-    "gpt-5.1".to_owned()
+    "gpt-5.2".to_owned()
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -162,7 +162,7 @@ pub struct ImageGenerationConfig {
 impl Default for ImageGenerationConfig {
     fn default() -> Self {
         Self {
-            model_id: OPENAI_IMAGE_MODEL_GPT_IMAGE_1.to_owned(),
+            model_id: OPENAI_IMAGE_MODEL_GPT_IMAGE_1_DOT_5.to_owned(),
             style: default_image_style(),
             size: default_image_size(),
             quality: default_image_quality(),
@@ -178,8 +178,11 @@ impl ImageGenerationConfig {
             "dall-e-2" => Ok(async_openai::types::images::ImageModel::DallE2),
             "dall-e-3" => Ok(async_openai::types::images::ImageModel::DallE3),
             "gpt-image-1" => Ok(async_openai::types::images::ImageModel::GptImage1),
+            "gpt-image-1.5" => Ok(async_openai::types::images::ImageModel::GptImage1dot5),
             "gpt-image-1-mini" => Ok(async_openai::types::images::ImageModel::GptImage1Mini),
-            other => Ok(async_openai::types::images::ImageModel::Other(other.to_owned())),
+            other => Ok(async_openai::types::images::ImageModel::Other(
+                other.to_owned(),
+            )),
         }
     }
 }

src/agent/provider/openai/controller.rs

@@ -254,10 +254,12 @@ impl ControllerTrait for Controller {
             match original_model {
                 ImageModel::DallE2 => ImageModel::DallE2,
                 ImageModel::DallE3 => ImageModel::DallE2,
+                ImageModel::GptImage1 => ImageModel::GptImage1Mini,
+                ImageModel::GptImage1dot5 => ImageModel::GptImage1Mini,
+                ImageModel::GptImage1Mini => ImageModel::GptImage1Mini,
                 ImageModel::Other(_) => {
                     ImageModel::DallE2
                 }
-                _ => original_model.clone(),
             }
         } else {
             original_model
@@ -305,6 +307,7 @@ impl ControllerTrait for Controller {
             // In fact, specifying the response format results in an error.
             ImageModel::GptImage1 => None,
             ImageModel::GptImage1Mini => None,
+            ImageModel::GptImage1dot5 => None,
             ImageModel::Other(_) => Some(ImageResponseFormat::B64Json),
         };
 
@@ -411,6 +414,7 @@ impl ControllerTrait for Controller {
             // In fact, specifying the response format results in an error.
             ImageModel::GptImage1 => None,
             ImageModel::GptImage1Mini => None,
+            ImageModel::GptImage1dot5 => None,
             ImageModel::Other(_) => Some(ImageResponseFormat::B64Json),
         };
 

src/agent/provider/openai/mod.rs

@@ -16,7 +16,7 @@ use super::super::AgentInstantiationResult;
 use super::ConfigTrait;
 use super::controller::ControllerType;
 
-pub const OPENAI_IMAGE_MODEL_GPT_IMAGE_1: &str = "gpt-image-1";
+pub const OPENAI_IMAGE_MODEL_GPT_IMAGE_1_DOT_5: &str = "gpt-image-1.5";
 
 pub fn create_controller_from_yaml_value_config(
     agent_id: &str,

src/bot/implementation.rs

@@ -1,3 +1,4 @@
+use std::fs;
 use std::sync::Arc;
 use std::{future::Future, pin::Pin};
 
@@ -18,12 +19,13 @@ use mxlink::helpers::account_data_config::{
     RoomConfigManager as AccountDataRoomConfigManager,
 };
 use mxlink::helpers::encryption::Manager as EncryptionManager;
+use mxlink::mime::Mime;
 
 use crate::agent::Manager as AgentManager;
 use crate::entity::catch_up_marker::{
     CatchUpMarker, CatchUpMarkerManager, DelayedCatchUpMarkerManager,
 };
-use crate::entity::cfg::Config;
+use crate::entity::cfg::{Avatar, Config};
 use crate::entity::globalconfig::{GlobalConfig, GlobalConfigurationManager};
 use crate::entity::roomconfig::{RoomConfig, RoomConfigurationManager};
 
@@ -316,8 +318,35 @@ impl Bot {
             }
         }
 
+        let desired_avatar: Option<(Vec<u8>, Mime)> = match &self.inner.config.user.avatar {
+            Avatar::Keep => {
+                tracing::info!("Avatar configured to keep current, skipping avatar management");
+                None
+            }
+            Avatar::Default => {
+                tracing::info!("Avatar configured to use default");
+                Some((
+                    LOGO_BYTES.to_vec(),
+                    LOGO_MIME_TYPE
+                        .parse()
+                        .expect("Failed parsing mime type for logo"),
+                ))
+            }
+            Avatar::Custom(avatar_path) => {
+                tracing::info!(?avatar_path, "Avatar configured to use custom path");
+                let bytes = fs::read(avatar_path).map_err(|e| {
+                    anyhow::anyhow!("Failed reading avatar from {:?}: {:?}", avatar_path, e)
+                })?;
+                let mime = mime_guess::from_path(avatar_path).first_or_octet_stream();
+                tracing::debug!(?mime, bytes_len = bytes.len(), "Loaded custom avatar");
+                Some((bytes, mime))
+            }
+        };
+
+        if let Some((desired_bytes, mime_type)) = desired_avatar {
             let should_update_avatar = match &current_avatar_url {
                 Some(avatar_url) => {
+                    tracing::debug!(?avatar_url, "Fetching current avatar to compare");
                     let request = MediaRequestParameters {
                         source: MediaSource::Plain(avatar_url.to_owned()),
                         format: MediaFormat::File,
@@ -328,22 +357,33 @@ impl Bot {
                         .await
                         .map_err(|e| anyhow::anyhow!("Failed fetching existing avatar: {:?}", e))?;
 
-                content.as_slice() != LOGO_BYTES
+                    let needs_update = content.as_slice() != desired_bytes;
+
+                    tracing::debug!(
+                        current_bytes_len = content.len(),
+                        desired_bytes_len = desired_bytes.len(),
+                        ?needs_update,
+                        "Compared current and desired avatar"
+                    );
+
+                    needs_update
+                }
+                None => {
+                    tracing::debug!("No current avatar set, will upload");
+                    true
                 }
-            None => true,
             };
 
             if should_update_avatar {
                 tracing::info!("Updating avatar..");
-
-            let mime_type = LOGO_MIME_TYPE
-                .parse()
-                .expect("Failed parsing mime type for logo");
-
                 account
-                .upload_avatar(&mime_type, LOGO_BYTES.to_vec())
+                    .upload_avatar(&mime_type, desired_bytes)
                     .await
                     .map_err(|e| anyhow::anyhow!("Failed uploading avatar: {:?}", e))?;
+                tracing::info!("Avatar updated successfully");
+            } else {
+                tracing::debug!("Avatar already up to date, skipping upload");
+            }
         }
 
         Ok(())

src/bot/load_config.rs

@@ -5,7 +5,7 @@ use anyhow::anyhow;
 
 use crate::agent::AgentPurpose;
 
-pub use crate::entity::cfg::{Config, defaults as cfg_defaults, env as cfg_env};
+pub use crate::entity::cfg::{Avatar, Config, defaults as cfg_defaults, env as cfg_env};
 
 pub fn load() -> anyhow::Result<Config> {
     let config_file_path = env::var(cfg_env::BAIBOT_CONFIG_FILE_PATH)
@@ -37,6 +37,9 @@ pub fn load() -> anyhow::Result<Config> {
                 config.user.encryption.recovery_reset_allowed = value.parse::<bool>()?;
             }
             cfg_env::BAIBOT_USER_NAME => config.user.name = value,
+            cfg_env::BAIBOT_USER_AVATAR => {
+                config.user.avatar = Avatar::from_string(value);
+            }
             cfg_env::BAIBOT_COMMAND_PREFIX => config.command_prefix = value,
             cfg_env::BAIBOT_ROOM_POST_JOIN_SELF_INTRODUCTION_ENABLED => {
                 config.room.post_join_self_introduction_enabled = value.parse::<bool>()?;

src/entity/cfg/config.rs

@@ -1,7 +1,7 @@
 use std::path::PathBuf;
 
 use mxlink::helpers::encryption::EncryptionKey;
-use serde::{Deserialize, Serialize};
+use serde::{Deserialize, Deserializer, Serialize};
 
 use crate::{
     agent::{AgentDefinition, AgentPurpose, PublicIdentifier},
@@ -83,6 +83,52 @@ impl ConfigHomeserver {
     }
 }
 
+/// Configuration for the bot's avatar.
+///
+/// - `Default`: Use the built-in default avatar (null, empty string, or missing in config)
+/// - `Keep`: Don't touch the avatar, keep whatever is already set ("keep" in config)
+/// - `Custom(String)`: Use a custom avatar from the specified file path
+#[derive(Debug, Clone, PartialEq, Serialize)]
+pub enum Avatar {
+    /// Use the built-in default avatar
+    Default,
+    /// Keep the current avatar, don't change it
+    Keep,
+    /// Use a custom avatar from the specified file path
+    Custom(String),
+}
+
+impl Default for Avatar {
+    fn default() -> Self {
+        Avatar::Default
+    }
+}
+
+impl<'de> Deserialize<'de> for Avatar {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        let value: Option<String> = Option::deserialize(deserializer)?;
+        Ok(match value {
+            None => Avatar::Default,
+            Some(s) => Avatar::from_string(s),
+        })
+    }
+}
+
+impl Avatar {
+    pub fn from_string(value: String) -> Self {
+        if value.is_empty() {
+            Avatar::Default
+        } else if value.eq_ignore_ascii_case("keep") {
+            Avatar::Keep
+        } else {
+            Avatar::Custom(value)
+        }
+    }
+}
+
 #[derive(Debug, Serialize, Deserialize)]
 pub struct ConfigUser {
     pub mxid_localpart: String,
@@ -93,6 +139,9 @@ pub struct ConfigUser {
 
     #[serde(default)]
     pub encryption: ConfigUserEncryption,
+
+    #[serde(default)]
+    pub avatar: Avatar,
 }
 
 impl ConfigUser {

src/entity/cfg/env.rs

@@ -6,6 +6,7 @@ pub const BAIBOT_HOMESERVER_URL: &str = "BAIBOT_HOMESERVER_URL";
 pub const BAIBOT_USER_MXID_LOCALPART: &str = "BAIBOT_USER_MXID_LOCALPART";
 pub const BAIBOT_USER_PASSWORD: &str = "BAIBOT_USER_PASSWORD";
 pub const BAIBOT_USER_NAME: &str = "BAIBOT_USER_NAME";
+pub const BAIBOT_USER_AVATAR: &str = "BAIBOT_USER_AVATAR";
 pub const BAIBOT_USER_ENCRYPTION_RECOVERY_PASSPHRASE: &str =
     "BAIBOT_USER_ENCRYPTION_RECOVERY_PASSPHRASE";
 pub const BAIBOT_USER_ENCRYPTION_RECOVERY_RESET_ALLOWED: &str =

src/entity/cfg/mod.rs

@@ -2,4 +2,4 @@ mod config;
 pub mod defaults;
 pub mod env;
 
-pub use config::Config;
+pub use config::{Avatar, Config};