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2026.8.2

google/comprehensive-rust2026.8.2Sep 1, 2026by devlikepro

AI Summary

A major update introducing new API capabilities such as sending stickers, granular media download control, and group management features like member approval. It also adds observability tools like OpenTelemetry and Prometheus metrics.

Key Highlights

  • New API to send stickers (WebP)
  • Granular download control for media
  • Group member approval and join request APIs
  • OpenTelemetry trace context integration
  • Prometheus metrics endpoint

New Features

  • Send stickers API
  • Granular media download control
  • Group approval APIs
  • OpenTelemetry tracing
  • Prometheus metrics
  • Apps purge API

Full Release Notes

**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`