v2026.08.0

What's Changed

• Allow overwriting docs URL; select correct default config in test by @brynpickering in #2087
• Link release badge to documentation by @lindnemi in #2089
• fix: don't mutate config in cluster_network by @lkstrp in #2091
• build: use /workspace as dev-env container workdir by @lkstrp in #2095
• fix: lower the lower bound for power grouping years by @tgilon in #2097
• chore: remove duplicated OCGT in test config files by @tgilon in #2094
• build: install pixi env persistent with auto-symlink entrypoint by @lkstrp in #2098
• refactor: use scripts path provider consistently by @tgilon in #2093
• feat: setup pypsa-bot github app by @lkstrp in #2099
• fix: validator config by @lkstrp in #2102
• Update industry reference year to 2023 by @lindnemi in #2103
• [github-actions.ci] Update locked envs by @github-actions[bot] in #2110
• chore(deps): bump actions/upload-artifact from 6 to 7 in the github-actions group by @dependabot[bot] in #2106
• chore(deps): bump docker/login-action from 3 to 4 in the github-actions group by @dependabot[bot] in #2114
• Update installation.rst by @jack-gregory in #2116
• chore(deps): bump dorny/paths-filter from 3 to 4 in the github-actions group by @dependabot[bot] in #2119
• doc: update the PR template by @tgilon in #2118
• Bugfix in solve_network.py by @toniseibold in #2107
• [github-actions.ci] Update locked envs by @github-actions[bot] in #2120
• chore(deps): bump actions/create-github-app-token from 2 to 3 in the github-actions group by @dependabot[bot] in #2122
• feat: improve load shedding with carrier specific options and load sinks by @daniel-rdt in #2105
• ci: validation runs via pypsa-app by @lkstrp in #2123
• test: trusted user by @daniel-rdt in #2125
• fix: clamp s/p_nom_max in brownfield to prevent floating-point infeasibility by @thogin in #2115
• ci: exclude packages newer than 7 days in lockfile update workflow by @lkstrp in #2130
• fix: remove Dask client.shutdown() in build_renewable_profiles by @thogin in #2131
• chore(deps): bump prefix-dev/setup-pixi from 0.9.4 to 0.9.5 in the github-actions group by @dependabot[bot] in #2132
• perf: use chunks="auto" in a single thread by @coroa in #2137
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #2134
• fix: remove asynchronous model for distributed client by @coroa in #2149
• fix: blacklist atlite 0.5.0 by @coroa in #2150
• [github-actions.ci] Update locked envs by @github-actions[bot] in #2133
• feat: improve config validator for scenario management by @daniel-rdt in #2155
• Heuristically split existing solar capacities 50:50 between rootop and utility scale by @lindnemi in #2088
• Set IISMethod for Gurobi to 1 by @euronion in #2158
• [github-actions.ci] Update locked envs by @github-actions[bot] in #2159
• Fix: Re-introduce capital_cost for non-bicharging stores by @aodenweller in #2157
• fix/scale vom by efficiency when missing by @gianvicolux in #2154
• Update pixi to use relative exclude-newer by @brynpickering in #2163
• fix: URL for SCIGRID gas 1.1.2. archive on data.pypsa.org by @bobbyxng in #2165
• [github-actions.ci] Update locked envs by @github-actions[bot] in #2167
• chore: fix formatting in docstring by @mgrabovsky in #2172
• Fix: activate missing losses for "H2 pipeline retrofitted" links by @lindnemi in #2174
• Agents/fix availability matrix plotting by @euronion in #2173
• [github-actions.ci] Update locked envs by @github-actions[bot] in #2176
• feat: add index name to cluster weights by @FabianHofmann in #2185
• docs: migrate to markdown/ mkdocs/ material by @lkstrp in #2162
• chore(deps): bump prefix-dev/setup-pixi from 0.9.5 to 0.9.6 in the github-actions group across 1 directory by @dependabot[bot] in #2177
• Feat: SBOM vulnerability scan by @brynpickering in #2164
• chore(deps): bump the github-actions group with 2 updates by @dependabot[bot] in #2188
• Fix DC junctions in simplify_network by @bobbyxng in #2147
• docs: arrange pages in tabs by @fneum in #2190
• Revert "make build_ambient_ait_temp script thread-safe" by @FabianHofmann in #2196
• docs: generate config tables from schema by @lkstrp in #2193
• limit to pypsa < 1.2 by @fneum in #2201
• fix: permissions for lockfile update action by @lkstrp in #2205
• fix: diff view for SARIF report by @lkstrp in #2208
• fix: fix typo in rolling_horizon config of solve_network by @tgilon in #2213
• fix: fix TYNDP typos by @tgilon in #2214
• Fix: correctly rename nice_names when clustering heat buses by @lindnemi in #2203
• fix: keep unset p_set as NaN in cluster_heat_buses aggregation by @lkstrp in #2202
• doc: disable root toc entry by @tgilon in #2216
• Make default_target configurable by @brynpickering in #2218
• add AI contribution guidelines by @fneum in #2215
• don't remove DC buses in sector network by @martacki in #2199
• fix: resolve plotting crashes due to missing tech colors by @stan-buren in #2211
• add highs-hipo solver settings set by @fneum in #2180
• Make build_ambient_air_temperature_yearly_average thread-safe by @FabianHofmann in #2197
• chore(deps): bump the github-actions group across 1 directory with 2 updates by @dependabot[bot] in #2217
• revert #2201 PyPSA version limit by @fneum in #2204
• chore(deps): bump prefix-dev/setup-pixi from 0.9.6 to 0.10.0 in the github-actions group by @dependabot[bot] in #2219
• Allow data version CSV / YAML file(s) to be specified in the config by @brynpickering in #2189
• Fix future warnings by @lindnemi in #2220
• fix: add missing regular expression anchor with re.fullmatch by @daniel-rdt in #2225
• override exclude-newer for pypsa/linopy/atlite by @FabianHofmann in #2237
• Fix Ultranet (TYNDP 254) to end in Philippsburg by @hd1ex in #2236
• fix: add retries to WDPA/WDPA-marine download rules by @mvanhorn in #2238
• doc: change linting and formatting documentation to correctly show ruff by @w-tusche in #2233
• fix: define inflow_t before branch so it is always assigned by @daniel-rdt in #2224
• doc: Add FAQ section for certificate errors by @euronion in #2228
• chore: bump python to 3.12 by @tgilon in #2235
• docs (BEV transport): Document consideration for deep discharge protection by @euronion in #2227
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #2223
• spatial as function argument in prepare-sector-networks.py instead of global by @w-tusche in #2232
• fix: apply backward fill to country groups by @pworschischek-aggmag in #2243
• fix: read population weight from correct config key in build_electric… by @pworschischek-aggmag in #2241
• chore: drop grpcio pin < 1.78 and pin python < 3.14 by @tgilon in #2244
• fix: docker image push by @lkstrp in #2247
• ci: fix grype security scan checks on PR runs by @lkstrp in #2246
• fix: docker image push concurrency by @lkstrp in #2249
• fix: loose and sync doc feature version pins by @coroa in #2253
• chore(deps): bump prefix-dev/pixi from 0.75.0 to 0.76.1 in /docker/dev-env by @dependabot[bot] in #2258
• chore(deps): bump prefix-dev/setup-pixi from 0.10.0 to 0.10.1 in the github-actions group by @dependabot[bot] in #2259
• fix: Silent network optimization failure by @pkroening in #2256
• chore: bump to pandas v3 by @lkstrp in #2260
• ci: fix false positives in PR security gate by @lkstrp in #2261
• Docs: temporal clustering (continues #2160) by @fneum in #2264
• Fix estimation for sequestration potentials by @toniseibold in #2086
• fix operational reserve constraints by @fneum in #2178
• split build_energy_totals rule into energy and co2 by @fneum in #2170
• split build_shapes rule into offshore, nuts3, country/europe rules by @fneum in #2169
• compatibility with tsam v4.0 by @fneum in #2263
• fix: handle corine=false in determine_availability_matrix_MD_UA by @fneum in #2265
• improving Carbon Manangement Modeling by @toniseibold in #2161
• fix: tsam version compability by @pkroening in #2266
• Initial draft architecture for FAQ/Troubleshooting. by @bobbyxng in #1939
• [github-actions.ci] Update locked envs by @github-actions[bot] in #2268
• chore(deps): bump prefix-dev/pixi from 0.76.1 to 0.76.2 in /docker/dev-env by @dependabot[bot] in #2267
• chore(deps): bump dawidd6/action-download-artifact from 21 to 23 in the github-actions group by @dependabot[bot] in #2270
• prepare release v2026.08.0 by @fneum in #2271
• fix: unbalanced parentheses in v2026.08.0 release notes by @fneum in #2272

New Contributors

• @jack-gregory made their first contribution in #2116
• @gianvicolux made their first contribution in #2154
• @mgrabovsky made their first contribution in #2172
• @stan-buren made their first contribution in #2211
• @hd1ex made their first contribution in #2236
• @mvanhorn made their first contribution in #2238
• @w-tusche made their first contribution in #2233
• @pkroening made their first contribution in #2256

Full Changelog: v2026.02.0...v2026.08.0