feat(trace-utils)!: add encoder v1 to v04 + refactor by anais-raison · Pull Request #2145 · DataDog/libdatadog

anais-raison · 2026-06-22T12:25:23Z

What does this PR do?

Adds a V1 → v0.4 msgpack downgrade encoder so a tracer that emits V1 spans natively can still send traces to an agent that only advertises /v0.4/traces.

Also renames the existing encoder modules/functions so the convention is uniform: parent module = output wire format, file/function suffix = input span type. The four combinations now coexist:

v04/span_v04.rs — v0.4 → v0.4 (native)
v04/span_v1.rs — v1 → v0.4 (downgrade, new)
v1/span_v04.rs — v0.4 → V1 (upgrade)
v1/span_v1.rs — v1 → V1 (native)

Motivation

APMSP-2811

datadog-prod-us1-5 · 2026-06-22T12:39:30Z

Tests

🎉 All green!

🧪 All tests passed
❄️ No new flaky tests detected

🎯 Code Coverage (details)
• Patch Coverage: 91.25%
• Overall Coverage: 74.74% (+0.27%)

_{This comment will be updated automatically if new data arrives.

🔗 Commit SHA: cbca66a | Docs | Datadog PR Page | Give us feedback!}

dd-octo-sts · 2026-06-22T13:07:56Z

Artifact Size Benchmark Report

aarch64-alpine-linux-musl

Artifact	Baseline	Commit	Change
/aarch64-alpine-linux-musl/lib/libdatadog_profiling.so	7.88 MB	7.88 MB	0% (0 B) 👌
/aarch64-alpine-linux-musl/lib/libdatadog_profiling.a	86.32 MB	86.32 MB	+0% (+6.54 KB) 👌

aarch64-unknown-linux-gnu

Artifact	Baseline	Commit	Change
/aarch64-unknown-linux-gnu/lib/libdatadog_profiling.a	97.54 MB	97.54 MB	+0% (+128 B) 👌
/aarch64-unknown-linux-gnu/lib/libdatadog_profiling.so	10.62 MB	10.62 MB	-0% (-432 B) 👌

libdatadog-x64-windows

Artifact	Baseline	Commit	Change

libdatadog-x86-windows

Artifact	Baseline	Commit	Change

x86_64-alpine-linux-musl

Artifact	Baseline	Commit	Change
/x86_64-alpine-linux-musl/lib/libdatadog_profiling.a	77.09 MB	77.07 MB	--.01% (-13.84 KB) 💪
/x86_64-alpine-linux-musl/lib/libdatadog_profiling.so	8.83 MB	8.83 MB	--.04% (-4.00 KB) 💪

x86_64-unknown-linux-gnu

Artifact	Baseline	Commit	Change
/x86_64-unknown-linux-gnu/lib/libdatadog_profiling.a	92.50 MB	92.50 MB	-0% (-288 B) 👌
/x86_64-unknown-linux-gnu/lib/libdatadog_profiling.so	10.74 MB	10.74 MB	-0% (-216 B) 👌

yannham

LGTM overall 👍 I think the naming convention brings more clarity indeed.

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ajgajg1134

Some of the function names are confusing me a bit / don't match the comments?
Also I think some of the v1 attribute types need to be "un-done" differently, specifically key values and lists shouldn't just get put in meta_struct and should be flattened into individual meta/metrics entries.

Once you have that changed, we should validate this with some integration tests against the real agent / intake to make sure the payloads match the agent decode and appear correctly in the UI

Aaalibaba42

Mostly nits and/or styling, most of these can be disregarded

ajgajg1134

The changes look good! The new names are much clearer to me. I do think we need a better integration / system testing story here though, the unit tests do a good job asserting what we think is right here but alignment with the actual trace-agent is harder to be sure of here. Unless that testing step would happen as part of testing actual integration with something like the rust tracer?

Aaalibaba42

For many of the "perf" comments, I didn't look into everything, but I've only really looked at the v04/span_v1.rs encoder, I wager there is more in other parts of the code, maybe try and have an agent scoure for similar issues. We really ought to be mindful of allocations in hotpath, and std structures like HashMaps, HashSets, Vecs, Strings, etc are heap allocated.

pr-commenter · 2026-07-13T09:13:53Z

Benchmarks

Comparison

Benchmark execution time: 2026-07-15 13:21:34

Comparing candidate commit cbca66a in PR branch anais/encoder-v1-to-v04-and-refacto-2 with baseline commit a10f667 in branch main.

Found 21 performance improvements and 12 performance regressions! Performance is the same for 109 metrics, 0 unstable metrics.

Explanation

This is an A/B test comparing a candidate commit's performance against that of a baseline commit. Performance changes are noted in the tables below as:

🟩 = significantly better candidate vs. baseline
🟥 = significantly worse candidate vs. baseline

We compute a confidence interval (CI) over the relative difference of means between metrics from the candidate and baseline commits, considering the baseline as the reference.

If the CI is entirely outside the configured SIGNIFICANT_IMPACT_THRESHOLD (or the deprecated UNCONFIDENCE_THRESHOLD), the change is considered significant.

Feel free to reach out to #apm-benchmarking-platform on Slack if you have any questions.

More details about the CI and significant changes

You can imagine this CI as a range of values that is likely to contain the true difference of means between the candidate and baseline commits.

CIs of the difference of means are often centered around 0%, because often changes are not that big:

---------------------------------(------|---^--------)-------------------------------->
                              -0.6%    0%  0.3%     +1.2%
                                 |          |        |
         lower bound of the CI --'          |        |
sample mean (center of the CI) -------------'        |
         upper bound of the CI ----------------------'

As described above, a change is considered significant if the CI is entirely outside the configured SIGNIFICANT_IMPACT_THRESHOLD (or the deprecated UNCONFIDENCE_THRESHOLD).

For instance, for an execution time metric, this confidence interval indicates a significantly worse performance:

----------------------------------------|---------|---(---------^---------)---------->
                                       0%        1%  1.3%      2.2%      3.1%
                                                  |   |         |         |
       significant impact threshold --------------'   |         |         |
                      lower bound of CI --------------'         |         |
       sample mean (center of the CI) --------------------------'         |
                      upper bound of CI ----------------------------------'

scenario:normalization/normalize_name/normalize_name/good

🟩 execution_time [-573.098ns; -504.077ns] or [-5.025%; -4.420%]
🟩 throughput [+4106915.604op/s; +4669504.734op/s] or [+4.683%; +5.325%]

scenario:profiles_dictionary/profile_string_inserts/threads/1

🟥 execution_time [+15.318µs; +18.143µs] or [+5.042%; +5.972%]
🟥 throughput [-191342.450op/s; -160675.433op/s] or [-5.677%; -4.767%]

scenario:vec_map/contains_key/128

🟥 execution_time [+858.253ns; +867.563ns] or [+5.757%; +5.819%]
🟥 throughput [-472179.700op/s; -467216.811op/s] or [-5.500%; -5.442%]

scenario:vec_map/contains_key/16

🟥 execution_time [+23.402ns; +23.731ns] or [+10.132%; +10.275%]
🟥 throughput [-6460248.978op/s; -6368673.592op/s] or [-9.325%; -9.193%]

scenario:vec_map/contains_key/64

🟥 execution_time [+223.067ns; +226.424ns] or [+5.567%; +5.651%]
🟥 throughput [-854393.180op/s; -841951.100op/s] or [-5.349%; -5.272%]

scenario:vec_map/contains_key/8

🟥 execution_time [+3.548ns; +3.643ns] or [+5.005%; +5.137%]
🟥 throughput [-5520110.626op/s; -5373289.953op/s] or [-4.892%; -4.762%]

scenario:vec_map/dedup/dup_1_in_10/8

🟩 execution_time [-29.985ns; -23.504ns] or [-7.233%; -5.670%]

scenario:vec_map/dedup/dup_1_in_4/8

🟩 execution_time [-24.264ns; -20.569ns] or [-5.121%; -4.341%]

scenario:vec_map/dedup/no_duplicates/8

🟩 execution_time [-22.185ns; -17.703ns] or [-6.033%; -4.815%]

scenario:vec_map/get_hit/128

🟩 execution_time [-1.272µs; -1.265µs] or [-9.250%; -9.197%]
🟩 throughput [+943225.493op/s; +948622.830op/s] or [+10.132%; +10.190%]

scenario:vec_map/get_hit/16

🟩 execution_time [-22.727ns; -22.441ns] or [-9.640%; -9.519%]
🟩 throughput [+7145201.133op/s; +7233602.808op/s] or [+10.528%; +10.659%]

scenario:vec_map/get_hit/64

🟩 execution_time [-307.085ns; -302.101ns] or [-8.280%; -8.146%]
🟩 throughput [+1531291.893op/s; +1557399.831op/s] or [+8.873%; +9.025%]

scenario:vec_map/get_hit/8

🟩 execution_time [-3.655ns; -3.542ns] or [-5.636%; -5.462%]
🟩 throughput [+7132514.945op/s; +7369843.871op/s] or [+5.782%; +5.975%]

scenario:vec_map/get_miss/16

🟥 execution_time [+0.843ns; +0.901ns] or [+8.833%; +9.442%]

scenario:vec_map/get_miss/8

🟥 execution_time [+0.281ns; +0.329ns] or [+4.958%; +5.817%]

scenario:vec_map/insert/128

🟩 execution_time [-1.167µs; -1.154µs] or [-31.745%; -31.372%]
🟩 throughput [+15967082.128op/s; +16132433.533op/s] or [+45.867%; +46.342%]

scenario:vec_map/insert/16

🟩 execution_time [-140.075ns; -137.195ns] or [-24.430%; -23.928%]
🟩 throughput [+8804831.799op/s; +9010694.114op/s] or [+31.549%; +32.286%]

scenario:vec_map/insert/64

🟩 execution_time [-589.042ns; -585.244ns] or [-30.956%; -30.757%]
🟩 throughput [+14959856.828op/s; +15061469.807op/s] or [+44.477%; +44.779%]

scenario:vec_map/insert/8

🟩 execution_time [-73.044ns; -72.219ns] or [-24.812%; -24.531%]
🟩 throughput [+8847201.338op/s; +8957200.079op/s] or [+32.555%; +32.960%]

Benchmark execution time: 2026-07-15 13:36:43

Comparing candidate commit cbca66a in PR branch anais/encoder-v1-to-v04-and-refacto-2 with baseline commit a10f667 in branch main.

Found 12 performance improvements and 10 performance regressions! Performance is the same for 155 metrics, 10 unstable metrics.

Explanation

This is an A/B test comparing a candidate commit's performance against that of a baseline commit. Performance changes are noted in the tables below as:

🟩 = significantly better candidate vs. baseline
🟥 = significantly worse candidate vs. baseline

We compute a confidence interval (CI) over the relative difference of means between metrics from the candidate and baseline commits, considering the baseline as the reference.

If the CI is entirely outside the configured SIGNIFICANT_IMPACT_THRESHOLD (or the deprecated UNCONFIDENCE_THRESHOLD), the change is considered significant.

Feel free to reach out to #apm-benchmarking-platform on Slack if you have any questions.

More details about the CI and significant changes

You can imagine this CI as a range of values that is likely to contain the true difference of means between the candidate and baseline commits.

CIs of the difference of means are often centered around 0%, because often changes are not that big:

---------------------------------(------|---^--------)-------------------------------->
                              -0.6%    0%  0.3%     +1.2%
                                 |          |        |
         lower bound of the CI --'          |        |
sample mean (center of the CI) -------------'        |
         upper bound of the CI ----------------------'

As described above, a change is considered significant if the CI is entirely outside the configured SIGNIFICANT_IMPACT_THRESHOLD (or the deprecated UNCONFIDENCE_THRESHOLD).

For instance, for an execution time metric, this confidence interval indicates a significantly worse performance:

----------------------------------------|---------|---(---------^---------)---------->
                                       0%        1%  1.3%      2.2%      3.1%
                                                  |   |         |         |
       significant impact threshold --------------'   |         |         |
                      lower bound of CI --------------'         |         |
       sample mean (center of the CI) --------------------------'         |
                      upper bound of CI ----------------------------------'

scenario:alloc_free/sampled_system_fast_path/256

🟩 execution_time [-1.739ns; -1.632ns] or [-6.302%; -5.912%]

scenario:alloc_free/sampled_system_fast_path/4096

🟩 execution_time [-4.422ns; -4.265ns] or [-4.435%; -4.278%]

scenario:alloc_free/system/4096

🟥 execution_time [+9.103ns; +9.264ns] or [+10.643%; +10.831%]

scenario:credit_card/is_card_number/ 3782-8224-6310-005

🟩 execution_time [-4.935µs; -4.757µs] or [-6.173%; -5.950%]
🟩 throughput [+792324.158op/s; +822688.271op/s] or [+6.334%; +6.577%]

scenario:credit_card/is_card_number/ 378282246310005

🟥 execution_time [+7.634µs; +7.739µs] or [+10.435%; +10.578%]
🟥 throughput [-1309461.568op/s; -1290343.947op/s] or [-9.580%; -9.440%]

scenario:credit_card/is_card_number/378282246310005

🟩 execution_time [-5.395µs; -5.297µs] or [-7.717%; -7.577%]
🟩 throughput [+1173887.301op/s; +1194001.205op/s] or [+8.207%; +8.348%]

scenario:credit_card/is_card_number/37828224631000521389798

🟩 execution_time [-7.013µs; -6.969µs] or [-13.414%; -13.331%]
🟩 throughput [+2942655.347op/s; +2963594.642op/s] or [+15.383%; +15.493%]

scenario:credit_card/is_card_number_no_luhn/ 378282246310005

🟩 execution_time [-5.589µs; -5.532µs] or [-9.529%; -9.433%]
🟩 throughput [+1777426.439op/s; +1794065.446op/s] or [+10.424%; +10.521%]

scenario:credit_card/is_card_number_no_luhn/378282246310005

🟥 execution_time [+4.018µs; +4.075µs] or [+7.242%; +7.345%]
🟥 throughput [-1234600.734op/s; -1216176.124op/s] or [-6.850%; -6.747%]

scenario:credit_card/is_card_number_no_luhn/37828224631000521389798

🟩 execution_time [-7.059µs; -7.014µs] or [-13.501%; -13.415%]
🟩 throughput [+2963829.509op/s; +2985115.816op/s] or [+15.496%; +15.608%]

scenario:datadog_sample_span/multiple_rules_last_match/wall_time

🟥 execution_time [+13.809ns; +13.973ns] or [+6.965%; +7.048%]

scenario:redis/obfuscate_redis_string

🟥 execution_time [+3.428µs; +3.951µs] or [+10.349%; +11.927%]

scenario:tags/replace_trace_tags

🟥 execution_time [+432.013ns; +441.672ns] or [+18.264%; +18.672%]

scenario:trace_buffer/4_senders/no_delay

🟥 execution_time [+189.372µs; +218.113µs] or [+8.304%; +9.564%]
🟥 throughput [-140724.974op/s; -121518.716op/s] or [-8.902%; -7.687%]

Candidate

Omitted due to size.

Baseline

Omitted due to size.

Aaalibaba42

I reopened a few things you seem to have closed eagerly without saying why nor fixing the code, but overall it looks good enough after those are either fixed or justified

# What does this PR do? Adds a V1 msgpack decoder in `libdd-trace-utils` and wires the V1 variant through the trace pipeline so any V1 payload can be decoded, inspected, and re-encoded. # Motivation [APMSP-2813](https://datadoghq.atlassian.net/browse/APMSP-2813) : Prerequisite for the sidecar V1-native path. Splitting out the `libdd-trace-utils` / `libdd-data-pipeline` plumbing so it can land before the sidecar wiring. # Additional Notes - Mirrors the existing v04 decoder structure. - `trace_serializer.rs` now dispatches on `(TraceChunks, OutputFormat)`; the existing v0.4 → V1 cross-encode path is preserved. - `trace_utils::collect_trace_chunks` renamed to `convert_trace_chunks_v04_to_v05`. [APMSP-2813]: https://datadoghq.atlassian.net/browse/APMSP-2813?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ ⚠️ You can focus on those folders/files only as I merged the others from the PR #2145 to get all the refactors: - libdd-data-pipeline/src/trace_exporter/trace_serializer.rs - libdd-trace-utils/src/msgpack_decoder/ - libdd-trace-utils/src/span/mod.rs - libdd-trace-utils/src/span/vec_map.rs - libdd-trace-utils/src/trace_utils.rs - libdd-trace-utils/src/tracer_payload.rs - libdd-trace-utils/tests/snapshots/compare_v1_full_payload_snapshot_test.json - libdd-trace-utils/tests/test_send_data.rs Co-authored-by: anais.raison <anais.raison@datadoghq.com>

…er-flare (#2332) # Release proposal for libdd-ffe, libdd-http-client, libdd-tracer-flare and their dependencies This PR contains version bumps based on public API changes and commits since last release. ## libdd-capabilities **Next version:** `3.0.0` **Semver bump:** `major` **Tag:** `libdd-capabilities-v3.0.0` ### Commits - fix(telemetry)!: stop sending Connection: close to the Agent (#2286) - feat(capabilities)!: Add streaming to http capabilities (#2251) - feat: added file capability [APMSP-3780] (#2240) - feat: added environment capability [APMSP-3780] (#2239) ## libdd-common **Next version:** `5.1.1` **Semver bump:** `patch` **Tag:** `libdd-common-v5.1.1` ### Commits - feat(telemetry)!: Add Installation signature and AppProduct changes payloads (#2213) - refactor: migrate to workspace dependencies, phase 4 (#2296) - refactor: migrate to workspace dependencies, phase 3 (#2283) - refactor: consolidate core dependencies at workspace level (phase 1) (#2253) - test: stabilize flaky tests (#2256) - fix(sidecar): don't double-encode file:// telemetry endpoints (#2230) - fix: last new clippy lint (#2221) ## libdd-tinybytes **Next version:** `1.1.2` **Semver bump:** `patch` **Tag:** `libdd-tinybytes-v1.1.2` ### Commits - chore: moving to workspace-level dependencies, phase 2 (#2270) - refactor: consolidate core dependencies at workspace level (phase 1) (#2253) ## libdd-trace-protobuf **Next version:** `4.0.1` **Semver bump:** `patch` **Tag:** `libdd-trace-protobuf-v4.0.1` ### Commits - refactor: migrate to workspace dependencies, phase 4 (#2296) - chore: moving to workspace-level dependencies, phase 2 (#2270) - refactor: consolidate core dependencies at workspace level (phase 1) (#2253) - feat(stats)!: implement additional metric tags in libdd-trace-stats (#2170) ## libdd-capabilities-impl **Next version:** `4.0.0` **Semver bump:** `major` **Tag:** `libdd-capabilities-impl-v4.0.0` ### ⚠️ major bump forced due to: - `libdd-capabilities`: ^2.1.0 → ^3.0.0 ### Commits - feat(telemetry)!: Add Installation signature and AppProduct changes payloads (#2213) - refactor: migrate to workspace dependencies, phase 4 (#2296) - fix(telemetry)!: stop sending Connection: close to the Agent (#2286) - fix(remote-config)!: Expose HttpClientCapability in remote config (#2252) - feat(capabilities)!: Add streaming to http capabilities (#2251) - refactor: consolidate core dependencies at workspace level (phase 1) (#2253) - feat: added file capability [APMSP-3780] (#2240) - feat(telemetry)!: make telemetry worker wasm-compatible for the TraceExporter (#2172) - feat: added environment capability [APMSP-3780] (#2239) ## libdd-http-client **Next version:** `1.0.0` **Semver bump:** `major` **Tag:** `libdd-http-client-v1.0.0` **Warning:** this is an initial release. Please verify that the version and commits included are correct. ## libdd-trace-normalization **Next version:** `3.0.1` **Semver bump:** `patch` **Tag:** `libdd-trace-normalization-v3.0.1` ### Commits - refactor: migrate to workspace dependencies, phase 4 (#2296) - refactor: consolidate core dependencies at workspace level (phase 1) (#2253) ## libdd-remote-config **Next version:** `3.0.0` **Semver bump:** `major` **Tag:** `libdd-remote-config-v3.0.0` ### Commits - refactor(rc)!: make conversion from RemoteConfigProduct back and forth generally available (#2325) - fix(wasm)!: finish the WASM port of remote-config (#2315) - refactor: migrate to workspace dependencies, phase 3 (#2283) - feat(rc): Handle expired config status (#2274) - feat(remote-config)!: add AsmRawResponseBody capability (#2278) - chore: moving to workspace-level dependencies, phase 2 (#2270) - fix(remote-config)!: Expose HttpClientCapability in remote config (#2252) - refactor: consolidate core dependencies at workspace level (phase 1) (#2253) - fix(rc): Make Target fields available again after eaf5ad0 (#2232) - fix: new clippy lints (#2219) ## libdd-trace-utils **Next version:** `10.0.0` **Semver bump:** `major` **Tag:** `libdd-trace-utils-v10.0.0` ### ⚠️ major bump forced due to: - `libdd-capabilities`: ^2.1.0 → ^3.0.0 ### Commits - refactor(rc)!: make conversion from RemoteConfigProduct back and forth generally available (#2325) - fix(libdd-trace-utils): apply SpanLink flags masking when v0.5 json encoding (#2314) - refactor: migrate to workspace dependencies, phase 4 (#2296) - feat(data-pipeline)!: add compression option for agentless export (#2205) - refactor: migrate to workspace dependencies, phase 3 (#2283) - refactor(trace-utils)!: split generic TracerHeaderTags (#2279) - chore(lint): update nightly (#2281) - chore: moving to workspace-level dependencies, phase 2 (#2270) - fix(remote-config)!: Expose HttpClientCapability in remote config (#2252) - refactor: consolidate core dependencies at workspace level (phase 1) (#2253) - feat(stats)!: implement additional metric tags in libdd-trace-stats (#2170) - feat(trace-utils)!: add v1 decoder (#2174) - feat(trace-utils)!: add encoder v1 to v04 + refactor (#2145) - feat(otlp): add instrumentation scope metadata (#2235) - fix(trace-utils)!: serialize v0.5 span links and events into meta (#980) ## libdd-ffe **Next version:** `1.0.0` **Semver bump:** `major` **Tag:** `libdd-ffe-v1.0.0` **Warning:** this is an initial release. Please verify that the version and commits included are correct. ## libdd-tracer-flare **Next version:** `1.0.0` **Semver bump:** `major` **Tag:** `libdd-tracer-flare-v1.0.0` **Warning:** this is an initial release. Please verify that the version and commits included are correct. [APMSP-3780]: https://datadoghq.atlassian.net/browse/APMSP-3780?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ [APMSP-3780]: https://datadoghq.atlassian.net/browse/APMSP-3780?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ [APMSP-3780]: https://datadoghq.atlassian.net/browse/APMSP-3780?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ --------- Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: hoolioh <107922352+hoolioh@users.noreply.github.com>

) # Release proposal for libdd-data-pipeline, libdd-telemetry and their dependencies This PR contains version bumps based on public API changes and commits since last release. ## libdd-ddsketch **Next version:** `1.1.1` **Semver bump:** `patch` **Tag:** `libdd-ddsketch-v1.1.1` ### Commits - refactor: migrate to workspace dependencies, phase 4 (#2296) - chore: moving to workspace-level dependencies, phase 2 (#2270) ## libdd-shared-runtime **Next version:** `3.0.0` **Semver bump:** `major` **Tag:** `libdd-shared-runtime-v3.0.0` ### ⚠️ major bump forced due to: - `libdd-capabilities`: ^2.1.0 → ^3.0.0 - `libdd-capabilities-impl`: ^3.0.0 → ^4.0.0 ### Commits - feat(shared-runtime): add block_on_with_timeout to BlockingRuntime (#2333) - chore(runtime): restart all workers on invalid state (#2262) - refactor: migrate to workspace dependencies, phase 3 (#2283) - refactor: consolidate core dependencies at workspace level (phase 1) (#2253) ## libdd-dogstatsd-client **Next version:** `5.0.0` **Semver bump:** `major` **Tag:** `libdd-dogstatsd-client-v5.0.0` ### Commits - refactor: consolidate core dependencies at workspace level (phase 1) (#2253) - feat(dogstatsd)!: add shared_runtime buffered sink (#2224) - refactor(statsd)!: make client clonable (#2222) ## libdd-telemetry **Next version:** `7.0.0` **Semver bump:** `major` **Tag:** `libdd-telemetry-v7.0.0` ### Commits - refactor(rc)!: make conversion from RemoteConfigProduct back and forth generally available (#2325) - feat(telemetry)!: Add Installation signature and AppProduct changes payloads (#2213) - fix(telemetry)!: stop sending Connection: close to the Agent (#2286) - refactor: migrate to workspace dependencies, phase 3 (#2283) - chore: moving to workspace-level dependencies, phase 2 (#2270) - refactor: consolidate core dependencies at workspace level (phase 1) (#2253) - fix: drain the mailbox before stopping (#2258) - feat(telemetry)!: make telemetry worker wasm-compatible for the TraceExporter (#2172) - fix(sidecar): don't double-encode file:// telemetry endpoints (#2230) ## libdd-trace-obfuscation **Next version:** `6.0.0` **Semver bump:** `major` **Tag:** `libdd-trace-obfuscation-v6.0.0` ### ⚠️ major bump forced due to: - `libdd-trace-utils`: ^9.0.0 → ^10.1.0 ### Commits - refactor: migrate to workspace dependencies, phase 4 (#2296) - chore(lint): update nightly (#2281) - chore: moving to workspace-level dependencies, phase 2 (#2270) - refactor: consolidate core dependencies at workspace level (phase 1) (#2253) - fix: new clippy lints (#2219) ## libdd-trace-stats **Next version:** `7.0.0` **Semver bump:** `major` **Tag:** `libdd-trace-stats-v7.0.0` ### ⚠️ major bump forced due to: - `libdd-capabilities`: ^2.1.0 → ^3.0.0 - `libdd-capabilities-impl`: ^3.0.0 → ^4.0.0 - `libdd-dogstatsd-client`: ^4.0.0 → ^5.0.0 - `libdd-telemetry`: ^6.0.0 → ^7.0.0 - `libdd-trace-utils`: ^9.0.0 → ^10.1.0 ### Commits - feat: add v1 isolated bricks for trace exporter (#2280) - refactor: migrate to workspace dependencies, phase 4 (#2296) - feat(data-pipeline)!: add compression option for agentless export (#2205) - feat(stats)!: per-field cardinality limits (#2211) - refactor: migrate to workspace dependencies, phase 3 (#2283) - feat(stats)!: string field length limit (#2267) - feat(trace_exporter)!: add `restart_after_fork` configuration option [APMSP-3843] (#2263) - refactor: consolidate core dependencies at workspace level (phase 1) (#2253) - feat(stats)!: implement additional metric tags in libdd-trace-stats (#2170) - refactor(statsd)!: make client clonable (#2222) - fix(stats-exporter): disable retries for stats payload sends (#2249) - feat(telemetry)!: make telemetry worker wasm-compatible for the TraceExporter (#2172) - fix!: css obfuscation logic (#2203) ## libdd-data-pipeline **Next version:** `8.0.0` **Semver bump:** `major` **Tag:** `libdd-data-pipeline-v8.0.0` ### ⚠️ major bump forced due to: - `libdd-capabilities`: ^2.1.0 → ^3.0.0 - `libdd-capabilities-impl`: ^3.0.0 → ^4.0.0 - `libdd-dogstatsd-client`: ^4.0.0 → ^5.0.0 - `libdd-telemetry`: ^6.0.0 → ^7.0.0 - `libdd-trace-stats`: ^6.0.0 → ^7.0.0 - `libdd-trace-utils`: ^9.0.0 → ^10.1.0 ### Commits - fix(trace-exporter): mark OTLP client-computed stats (#2245) - feat(data-pipeline): adds new attributes to OTLP trace metrics export (#2316) - feat: add v1 isolated bricks for trace exporter (#2280) - feat(data-pipeline)!: add flush_and_close to the trace buffer (#2313) - feat(telemetry)!: Add Installation signature and AppProduct changes payloads (#2213) - refactor: migrate to workspace dependencies, phase 4 (#2296) - feat(data-pipeline)!: add compression option for agentless export (#2205) - fix(telemetry)!: stop sending Connection: close to the Agent (#2286) - feat(stats)!: per-field cardinality limits (#2211) - refactor: migrate to workspace dependencies, phase 3 (#2283) - feat(stats)!: string field length limit (#2267) - refactor(trace-utils)!: split generic TracerHeaderTags (#2279) - chore: moving to workspace-level dependencies, phase 2 (#2270) - feat(trace_exporter)!: add `restart_after_fork` configuration option [APMSP-3843] (#2263) - feat(data-pipeline): emit additional_metric_tags on OTLP span duration metric (#2264) - refactor: consolidate core dependencies at workspace level (phase 1) (#2253) - feat(dogstatsd)!: add shared_runtime buffered sink (#2224) - feat(stats)!: implement additional metric tags in libdd-trace-stats (#2170) - refactor(statsd)!: make client clonable (#2222) - feat(telemetry)!: make telemetry worker wasm-compatible for the TraceExporter (#2172) - feat(trace_exporter)!: remove deprecated methods (#2250) - feat(trace-utils)!: add v1 decoder (#2174) - feat(trace-utils)!: add encoder v1 to v04 + refactor (#2145) - feat(otlp): add instrumentation scope metadata (#2235) - fix(trace-utils)!: serialize v0.5 span links and events into meta (#980) - fix!: css obfuscation logic (#2203) - test(data-pipeline): gate telemetry-only tests behind the telemetry feature (#2204) [APMSP-3843]: https://datadoghq.atlassian.net/browse/APMSP-3843?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ --------- Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: hoolioh <107922352+hoolioh@users.noreply.github.com>

feat: encoder v1 to v04 + refacto

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Comment thread libdd-trace-utils/src/msgpack_encoder/v04/mod.rs

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fix: clippy

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anais-raison changed the title ~~feat: encoder v1 to v04 + refacto~~ feat(trace-utils)!: add encoder v1 to v04 + refactor Jun 29, 2026

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feat(trace-utils)!: add v1 decoder #2174

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chore(release): proposal for libdd-http-client, libdd-tracer-flare #2299

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feat(sidecar): high-level v1 encode+send FFI for tracers #2311

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chore(release): proposal for libdd-ffe, libdd-http-client, libdd-tracer-flare #2332

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chore(release): proposal for libdd-data-pipeline, libdd-telemetry #2358

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scenario:normalization/normalize_name/normalize_name/good

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