chore(main): release 17.5.0

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🤖 I have created a release beep boop

17.5.0 (2025-12-17)

⚠ BREAKING CHANGES

• defaults become presets (#2497)
• workflows: is_workflow replaces strategy = workflow
• workflows: opts.is_workflow defines a workflow (#2487)
• strategies are now interactions (#2485)
• remove old system prompt config option (#2484)
• rename catalog to builtin (#2482)
• prompt_library: prompts can be markdown and exist in directories (#2471)
• child_window to floating_window (#2452)
• tools: user_confirmation is now require_confirmation_after (#2450)
• tools: requires_approval is now require_approval_before
• adapters: condition is now enabled
• remove workspaces (#2446)
• remove deprecations (#2445)
• chat: pins and watchers are now sync_all and sync_diff (#2444)
• chat: rename memory to rules (#2440)
• chat: pass adapter as arg in :CodeCompanionChat (#2437)

Features

• acp: add augment code (auggie) adapter (#2352) (7ca4e49)
• acp: add codex support (#2236) (2f7a088)
• acp: add more adapters (#2394) (6dd3236)
• acp: add session modes (#2331) (1d98b9e)
• acp: add support for Claude Code (#2079) (0e4abfb)
• acp: add support for slash commands (#2260) (b47e2aa)
• acp: support all plugin diff providers (#2311) (ee7f44c)
• acp: tighter integration with the protocol (#2054) (626b1b0)
• action_palette: title is configurable (#1937) (f3b1ff0)
• adapters: 💥 add tool support to Ollama (#1585) (e325370)
• adapters: add function calling to Novita (#1888) (c6fcb28)
• adapters: add gemini-2.5-flash and set as new default (#1686) (fb98d6c)
• adapters: add support for Claude Sonnet 4.5 (#2207) (e629759)
• adapters: add support for Gemini 3 in Copilot (#2419) (7686e3a), closes #2413
• adapters: add support for gemini-3 (b7dc2b1)
• adapters: add support for gemini-3 in the gemini adapter (#2411) (b7dc2b1)
• adapters: add support for OpenAI's Responses API (#2213) (a3e55ba)
• adapters: add tool support to Azure OpenAI (#1737) (2c7e9b1)
• adapters: add tool support to HuggingFace (#1907) (afa34eb)
• adapters: add tool support to Mistral (#2278) (2a2b294)
• adapters: add verbosity param to OpenAI Responses (#2243) (94f9120)
• adapters: allow hiding of acp adapters (#2086) (aa7c937)
• adapters: copilot can dynamically set max tokens (#2429) (d348080)
• adapters: Copilot now has max_context_window_tokens (#2516) (8e81351)
• adapters: mistral can now reason (#2377) (4c37295)
• adapters: Ollama adapter has support for think and more hyperparameters (#1829) (408b402)
• adapters: show copilot multipliers and refactor changing adapters (#2427) (e400396)
• adapters: support extra fields in OpenAI adapter (#2359) (9cc2933)
• adapter: support for OpenAI gpt-5 models (#1993) (69d7579)
• add background interaction (#2184) (f746584)
• add chat ID to chat opened/hidden events (17f7cbb)
• add sonnet-4-5 (e629759)
• chat: ✨ add memory (#2093) (b3fe1b0)
• chat: add CodeCompanionChatDone event (#1881) (e23e8e5)
• chat: add copilot usage statistics with gS keymap (#1677) (8602a50)
• chat: add floating diff layout with focus effects (#2016) (d556e1b)
• chat: add global metadata (#1973) (f962b2e)
• chat: add restore function to ensure a chat buffer can be made visible (#1816) (f37b8b9)
• chat: add support for Agent Client Protocol (#2025) (ad468b1)
• chat: add support for Agent Client Protocol (#2025) (c71f51f)
• chat: automatically generate chat descriptions (#2462) (7962553)
• chat: better tool cancelling (#2153) (119bd84), closes #2149
• chat: context can be folded in the chat buffer (#1911) (acfa69b)
• chat: handle buffer deletion of chat buffers (#1745) (dbc7957)
• chat: improve buffer variables (#1967) (5d2f49a)
• chat: pass adapter as arg in :CodeCompanionChat (#2437) (25127ef)
• chat: rules path can be dirs and glob patterns (#2509) (1b23363)
• chat: support pre_hook in prompt library items (#1964) (8b60fcc)
• chat: system prompt has improved knowledge (#2038) (32ebe36)
• chat: system prompt has improved knowledge (#2038) (71eb108)
• chat: system prompt is modularised (#2322) (50ea30e)
• chat: tool output can be folded (#1665) (a87ebc7)
• cmds: can toggle with the adapter param (#2535) (19ac06a), closes #2528
• cmds: pass model to :CodeCompanionChat (#2466) (b7c750c)
• diff: native inline diff and super diff (#1884) (6bc36af)
• inline: add keymap to stop request (#2426) (723ca0e), closes #2420
• inline: multiple variables, better completion and #{clipboard} (#1981) (c5aa3c6)
• keymaps: use false for disabling keymaps (#2264) (982f80f)
• prompt_library: can set adapter on workflows (#2071) (2bd4983)
• prompt_library: prompts can be markdown and exist in directories (#2471) (d14a50b)
• prompts: add code to context table (#2523) (42d28cb)
• prompts: custom intro messages and no user prompt requirements (#1927) (17dc923)
• rules: default_rules can be a function (#2479) (04f39a3)
• slash_cmd: add /compact (#2385) (dbc54cb)
• slash_cmd: workspaces can now take user prompts (#2039) (00d0105)
• slash_cmd: workspaces can now take user prompts (#2039) (529902d)
• support an adapter's built-in tools (#2307) (462197a)
• tools: ✨ new insert_edit_into_file tool (#2219) (a4f8505)
• tools: insert_edit_into_file tool now saves the buffer (#1813) (f7c89b4)
• tools: web_search tool can search specific sites (#1741) (6ef907f)
• tools: add fetch_webpage (#1837) (31fdc34)
• tools: add get_changed_files tool (#1777) (ed5c493)
• tools: add list_code_usages tool (#1696) (16b51b0)
• tools: add delete tool (#2345) (ae93605)
• tools: can send rejection message and always approve/accept (#2249) (3e8ab76)
• tools: tools have their own system prompt (b316283)
• ui: chat buffer can be sticky when navigating tabs (#1842) (71fb6a8)
• ui: customize chat buffer window config when opening (#1678) (3a10ec9)
• ui: fold reasoning content (#2020) (ad52c4f)
• ui: fold reasoning content (#2020) (b7bab43)
• ui: snacks picker shows previews in action palette (#2295) (41305ff)
• ui: streamline ACP output in the chat (#2353) (78ab53d)
• workflows: can change adapter on each prompt (#2146) (8d55059)

Bug Fixes

• acp: better error handling (#2399) (ceaca96)
• acp: claude code command shouldn't need npx (#2288) (5734709), closes #2286
• acp: close all open connections on exit (#2292) (73ecd3a), closes #2286
• acp: ensure jobs can be cancelled (#2225) (a61dfc1), closes #2223
• acp: fix claude always outputting tool content (062126b)
• acp: fs/read_text_file returning empty string (#2058) (a50f547)
• acp: handle adapter returning vim.NIL instead of lua:nil (#2266) (5efcc8f)
• acp: prevent auto-close of mini_diff provider (#2379) (a8c696d)
• acp: protect against msg._meta being nil (#2366) (ca87f13)
• acp: race condition during initialization (#2300) (bcd4f84)
• acp: show urls in tool output (#2403) (32dd2da)
• action_palette: mini_pick handles picker actions (#1944) (3d336e2)
• adapter: copilot unauthorized token expired (#1789) (d455d71)
• adapters: gpt-5-nano streaming error (#2017) (ad2f08c)
• adapters: copilot now supporting completions endpoint (#2284) (9741526)
• adapters: copilot return endpoints from github token (#2078) (19eb675)
• adapters: copilot stats forces oauth token fetching (#2520) (2cf85e3)
• adapters: copilot stats when using free account (#2388) (3d533fa)
• adapters: fix claude-code always outputting tool content (#2169) (062126b)
• adapters: gemini system prompts (#2530) (247ab70)
• adapters: handle choices as function in reasoning for OpenAI (#1902) (ea99a1b)
• adapters: inline output for openai_responses adapter (#2256) (4437cb0), closes #2252
• adapters: missing models in copilot (#1899) (30f7cc7)
• adapters: ollama model selection when changing adapter (#1890) (2695b92)
• adapters: ollama reasoning output (#1950) (940159d)
• adapters: reasoning output and tool calls in anthropic (#1807) (5717527), closes #1752
• adapters: reduce copilot premium request consumption (#1738) (ed96fe3)
• adapters: update HuggingFace endpoint (#1868) (d067c84), closes #1864
• anthropic: make sure empty tool calls are dictionaries. (53b0671)
• chat: after/ftplugin/codecompanion.lua settings now work (#2251) (87a2f78)
• chat: buffer var with no context (#1974) (0bfe9e2)
• chat: changing adapters and models (#2472) (663d53c)
• chat: claude code diff and fs/read_text_file fixes (#2126) (b76621b)
• chat: clip claude code tool output (#2134) (b890561)
• chat: codeblock formatting in chat buffer (#1916) (3d4d85f)
• chat: conditionals for slash commands and tools (#2336) (8719211)
• chat: debug window error with ACP adapters (#2291) (43586ed)
• chat: debug window with acp adapters (#2141) (35c591f)
• chat: default completions and add omnifunc (#1953) (bf69033)
• chat: default system prompt uses safer date format (#2091) (f97108b)
• chat: don't add duplicate memory (#2131) (669bbdf)
• chat: don't remove custom system prompts when using gs (#1770) (4e75c62), closes #1749
• chat: force memory to be added via slash command (#2140) (8899c27)
• chat: infinite loop when toggling chat (#2145) (30fec3a)
• chat: omnifunc completion (#2275) (b1937ad), closes #2270
• chat: pass in opts to toggle (#2143) (971e584)
• chat: preserve prompt library system prompts (#2433) (ccfdc47)
• chat: prevent duplicate # and @ in CoC completions (#2027) (7d9e142)
• chat: prevent duplicate # and @ in CoC completions (#2027) (adb3126)
• chat: prevent readfile error on directories when using edit_tracker (#2269) (9d49b75)
• chat: recursive chat open calls (59a29bd)
• chat: safely set undolevels (#2123) (5807e04)
• chat: show settings error with acp adapter (#2065) (bf683c3), closes #2062
• chat: start_in_insert_mode with telescope (#1815) (dc5eca1)
• chat: system prompt resolving (#2045) (c34e496)
• chat: toggling when chat buffer is not in the current tab (#1725) (4f91b4b)
• chat: tool folding (#1811) (b506225)
• chat: tools can now be dynamically added (#1693) (3a5f895)
• chat: undolevels leaking outside of codecompanion (#2234) (ebce7c7)
• chat: unwatch buffers when they're unlisted (#1809) (ea29e11)
• chat: use file contents to detect filetype for symbols (#1827) (ee1c317)
• chat: watched buffer diffs should have context id (#2410) (9b38615)
• config: map strategies to interactions (#2493) (2fd3306)
• copilot: handle "quota exceeded" error (#2430) (d8fbcfe), closes #2416
• diff: clear winhighlight properly when cleanup diff (#2396) (c33f6c0)
• diff: fire detach when inline diff completes (#2237) (a189018)
• doubled # and @ in CoC completion (7d9e142)
• doubled # and @ in CoC completion (adb3126)
• ensure buffer is valid (#1985) (ff248ec), closes #1983
• inline: Check result from vim.json.decode pcall (#2101) (d5f4070)
• inline: events are fired with the correct names (#1919) (18cf425)
• inline: parse adapters (#2069) (12c617a)
• inline: prompting using telescope and dressing in the UI (#1702) (50dde48)
• inline: user moving to other buffer before edits are applied (#1952) (ddfb8cc)
• inline: variables (#1955) (4c1cd7e), closes #1954
• invalid buffer causing errors in markdown files (#2362) (3e02000), closes #2344
• pattern escape context (#2532) (94f62bf), closes #2525
• prompt_library: completion in the cmd line (#1893) (e8ab7ef)
• prompt_library: custom prompts containing URLs (#1849) (164e95c)
• prompt_library: use vim.system for commit messages item (#2315) (ed9940f)
• prompts: agentic workflow in the config (#1764) (0b3831d)
• prompts: reword vectorcode tool in workspace prompt (#1775) (3527a9c)
• prompt: tags renamed to be tag (#2115) (a869f19)
• rules: CodeCompanion rules point to interactions (#2495) (e88933f)
• slash_cmds: compact prompt is now simpler (#2488) (07f4232)
• slash_cmds: fetching an image from a URL (#2245) (e16ebf5), closes #2244
• slash_cmds: make compact prompt, simpler (07f4232)
• slash_commands: can load from a module path (#2370) (47e6e1d)
• snacks: fix nested picking and add preview. (41305ff)
• super_diff: align variable names with updated diff hunk naming (#2218) (0380600)
• tools: cmd_runner tool on Windows (#2186) (d5491dd), closes #2179
• tools: read_files tool can read entire file if end_line is greater than total lines (#1824) (562950d)
• tools: additional resiliency (#1987) (bc5ec92)
• tools: adjust strict mode and make insert_edit_into_file adhere to OpenAI schema (#2357) (2bd958b), closes #2356
• tools: enforce strict mode for openai responses adapter (#2319) (09e1b9f), closes #2314
• tools: ensure errors are handled throughout implementation (#1986) (705f0cf), closes #1940
• tools: error when trying to log nil tool (#1896) (63ce32a)
• tools: failed/cancelled/rejected tool calls no longer block the execution queue (#1852) (48d7e8f), closes #1850
• tools: fetch webpage (#2320) (d13a74f), closes #2318
• tools: Handle empty parameters in tools (ac70519)
• tools: list code usages tool (#2019) (31ffde8), closes #2018
• tools: list code usages tool (#2019) (3c9224e), closes #2018
• tools: patching algorithm can start with an empty line (#1663) (370ec56)
• tools: patching algorithm now supports lines starting with - (#1654) (9011839)
• tools: patching for empty and small files with insufficient context (#1734) (cb55ef0)
• tools: show diff in insert_edit_into_file when file is not open (#2350) (6ca8768)
• tools: Support nested objects in enforce_strictness for OpenAI strict mode (#2334) (88ddc28)
• ui: append to existing winhighlight values (#2166) (5c8ec88)
• ui: chat buffer syntax highlighting (#2192) (4336066)
• ui: closing floating windows (#2453) (196e4a4)
• ui: default to normal mode after applying inline diff (#2014) (b75615a)
• ui: display the correct sign_text in floating diffs (#2031) (54b9502)
• ui: display the correct sign_text in floating diffs (#2031) (2f21f79)
• ui: enable keymaps in debug chat float for easier quitting (#1923) (5e7d451)
• ui: floating diff style (#2035) (483d0c0)
• ui: floating diff style (#2035) (3e8188f)
• ui: handle custom winborder characters (#1915) (9e23ef1)
• ui: reduce delay in using gr to reject diff (#1917) (55c29d9)
• ui: snacks being completely ignored (#2010) (fed4a5d), closes #2009
• ui: snacks being completely ignored (#2010) (b02a7da), closes #2009
• ui: tool spacing in chat buffer (#1962) (a61730e)
• ui: winbar timing with inline floating diff (#2512) (8172477)
• use correct config item (#2195) (7f28c3c)
• use scratch buffer for ACP to prevent orphan files (#2447) (df1e90e)
• workspace: add description to buffer content (#1713) (ff939d1)

Performance Improvements

• adapters: make copilot start faster (#2503) (2adedf7)
• chat: improve system prompt resolution (#2050) (6bc1f9f)
• chat: set undolevels to 10 (#2022) (3cf980e)
• chat: set undolevels to 10 (#2022) (94784eb)

Code Refactoring

• child_window to floating_window (#2452) (fdf2d02)
• strategies are now interactions (#2485) (2f1c887)
• adapters: condition is now enabled (cb14c7b)
• chat: pins and watchers are now sync_all and sync_diff (#2444) (16cb55b)
• chat: rename memory to rules (#2440) (ba3fd6f)
• chat: tools and variables now use @{tool} and #{variable} syntax (#1740) (f89eca2)
• defaults become presets (#2497) (269c2ca)
• remove deprecations (#2445) (5a4847f)
• remove old system prompt config option (#2484) (0d197f6)
• remove workspaces (#2446) (1a5bed2)
• rename catalog to builtin (#2482) (d51296b)
• tools: requires_approval is now require_approval_before (7d54837)
• tools: user_confirmation is now require_confirmation_after (#2450) (6d7f1bb)
• workflows: is_workflow replaces strategy = workflow (fc1d87e)
• workflows: opts.is_workflow defines a workflow (#2487) (fc1d87e)

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