An fdroid build config that worked locally, for me.

.fdroid.yml

@@ -1,32 +1,40 @@
+Categories:
+  - Internet
 License: MIT
 
 AutoName: tildefriends
+AuthorName: Cory McWilliams
+AuthorEmail: cory@tildefriends.net
 
 RepoType: git
 Repo: https://dev.tildefriends.net/cory/tildefriends.git
 
-Categories: Internet
-
 Builds:
   - versionName: 0.0.21-wip
     versionCode: 22
-    commit: 63b0f0deddab5d9f597558f4dc8f61c04d7bd52e
+    commit: 09b6a00731d45fa160b23a2c44be6def98d92d6a
     subdir: src/android
     submodules: true
-    scanignore:
-      - deps/libuv/docs/src/static/diagrams.key/Index.zip
-      - deps/openssl_src/cloudflare-quiche/*
-      - deps/openssl_src/fuzz/corpora/*
-      - deps/openssl_src/gost-engine/*
-      - deps/openssl_src/test/recipes/80-test_cmp_http_data/Mock/random.bin
-      - deps/openssl_src/test/smcont.bin
-      - deps/openssl_src/tlslite-ng/tests/verifierDB
+    sudo:
+      - apt-get update
+      - apt-get install -y ant make zip
     androidupdate:
       - no
+    scandelete:
+      - deps/libuv/docs/src/static/diagrams.key/Index.zip
+      - deps/openssl_src/cloudflare-quiche/*
+      - deps/openssl_src/fuzz/*
+      - deps/openssl_src/gost-engine/*
+      - deps/openssl_src/test/*
+      - deps/openssl_src/tlslite-ng/*
+    prebuild:
+      - sdkmanager "platforms;android-34" "build-tools;34.0.0"
     build:
       - mkdir bin/
-      - ANDROID_SDK=$$SDK$$ ANDROID_NDK=$$NDK$$ make -C ../../ -j`nproc` fdroid
-    ndk: 26.3.11579264
+      - ANDROID_SDK=$$SDK$$ ANDROID_NDK=$$NDK$$ ANDROID_NDK_ROOT=$$NDK$$ make -C ../../ -j`nproc` fdroid
+    ndk: r26d
 
 AutoUpdateMode: Version ^v[0-9\.]+$
 UpdateCheckMode: Tags
+CurrentVersion: 0.0.21-wip
+CurrentVersionCode: 22