2026.8.2

**Full Changelog**: https://github.com/devlikeapro/waha/compare/2026.8.1...2026.8.2


🆕 **New**

-   `2026.8.2` - API - `POST /api/sendSticker` - send stickers (WebP) - [**📤 Send messages**](https://waha.devlike.pro/docs/how-to/send-messages/#send-sticker) - [#1287](https://github.com/devlikeapro/waha/issues/1287), [#2240](https://github.com/devlikeapro/waha/pull/2240)
-   `2026.8.2` - Media - granular download control for events and API - [**⚙️ Configuration**](https://waha.devlike.pro/docs/how-to/config/#media-download) - [#2211](https://github.com/devlikeapro/waha/pull/2211)
-   `2026.8.2` - Groups - approve new members setting - `GET/PUT /api/{session}/groups/{id}/settings/security/membership-approval` - [**👥 Groups**](https://waha.devlike.pro/docs/how-to/groups/#security---approve-new-members) - [#2200](https://github.com/devlikeapro/waha/pull/2200)
-   `2026.8.2` - Groups - join requests API - `GET /api/{session}/groups/{id}/participants/join-requests` + `/approve` and `/reject` - [**👥 Groups**](https://waha.devlike.pro/docs/how-to/groups/#join-requests)
-   `2026.8.2` - Groups - `group.v2.participants.join-request` event - a request to join a group is created, rejected or revoked - [**👥 Groups**](https://waha.devlike.pro/docs/how-to/groups/#groupv2participantsjoin-request)
-   `2026.8.2` - OpenTelemetry trace context - `trace_id`/`span_id` in logs, `traceparent` response header, no export by default - [**🔍 Observability**](https://waha.devlike.pro/docs/how-to/observability/#tracing)
-   `2026.8.2` - Prometheus metrics - `GET /metrics` (optional) - [**🔍 Observability**](https://waha.devlike.pro/docs/how-to/observability/#prometheus-metrics) - [#2245](https://github.com/devlikeapro/waha/pull/2245)
-   `2026.8.2` - Docs - how to extend WAHA with apps, modules and session plugins - [**🛠️ Development**](https://waha.devlike.pro/docs/how-to/development/#extending-waha)

🧩 **Apps**

-   `2026.8.2` - [**Brazilian Phone Numbers**](https://waha.devlike.pro/docs/apps/brazilian-phone-numbers/) - resolves the 9th digit for Brazilian numbers - [#2180](https://github.com/devlikeapro/waha/pull/2180)
-   `2026.8.2` - Purge API - `POST /api/apps/{id}/purge` - delete the app’s stored data, keep the app configured - [**🧩 Apps**](https://waha.devlike.pro/docs/apps/about/#purge-app-storage)
-   `2026.8.2` - Logout purge - `POST /api/sessions/{session}/logout` accepts `{"apps": {"purge": true}}` to purge apps’ storage on logout
-   `2026.8.2` - Unique apps - one instance per session for **ChatWoot**, **Reject Calls** and **Brazilian Phone Numbers**

🧩 **ChatWoot**

-   `2026.8.2` - match existing contacts by resolved phone number for `@lid` chats and backfill missing `phone_number` - [#2208](https://github.com/devlikeapro/waha/issues/2208)
-   `2026.8.2` - name LID contacts by push name instead of raw `@lid` id - [#1493](https://github.com/devlikeapro/waha/pull/1493)

🛠️ **Fixes**

-   `2026.8.2` - **WEBJS**, **NOWEB** - Channels - `reply_to` was silently ignored when sending messages to channels - [#2233](https://github.com/devlikeapro/waha/issues/2233)
-   `2026.8.2` - **WEBJS** - Channels - deleting a message in a channel failed - [#2236](https://github.com/devlikeapro/waha/issues/2236)
-   `2026.8.2` - **WEBJS** - first incoming message triggered events 2-3 times - [#2235](https://github.com/devlikeapro/waha/issues/2235)
-   `2026.8.2` - **GOWS** - `fromMe` messages mirrored to the wrong contact/conversation - [#2241](https://github.com/devlikeapro/waha/issues/2241)
-   `2026.8.2` - **GOWS** - unable to retrieve WhatsApp groups - [#2234](https://github.com/devlikeapro/waha/issues/2234)
-   `2026.8.2` - **GOWS** - group messages carrying a new sender key in `@lid` groups were silently lost - [#2242](https://github.com/devlikeapro/waha/issues/2242)
-   `2026.8.2` - **GOWS** - undecryptable messages are logged at `error` level instead of being silently dropped
-   `2026.8.2` - Media - keep the original `.zip` for Lottie stickers when converting to an image fails - #2239
-   `2026.8.2` - Media - `downloadMedia=true` downloads media even when disabled by env vars - [#2211](https://github.com/devlikeapro/waha/issues/2211)
-   `2026.8.2` - Media - `media` attrs (`mimetype`, `filename`) always set; `url: null` when not downloaded
-   `2026.8.2` - honor `HTTP_PROXY`/`HTTPS_PROXY`/`NO_PROXY` env vars when downloading media - [#2224](https://github.com/devlikeapro/waha/pull/2224)

📊 **Dashboard**

-   `2026.8.2` - up dashboard

⚙️ **Updates**

-   `2026.8.2` - **WPP** - up engine
-   `2026.8.2` - up `axios` to `1.19.0`