Q3 2025 / Bokeh Weekly Sync ✨

# Q3 2025 / Bokeh Weekly Sync ✨ **Welcome!** :computer: We meet here: meet.google.com/dtm-iycn-ctx :clock8: Every Wednesday, at 8am Pacific Time to chat about everything Bokeh! ## Guidelines - This meeting is covered by [Bokeh’s Code of Conduct](https://github.com/bokeh/bokeh/blob/branch-3.1/docs/CODE_OF_CONDUCT.md). - If you wish to participate in a discussion, please use Google Meet's "Raise hands :hand: " feature, and wait for the moderator to call on you. - These notes are [synced with GitHub](https://github.com/bokeh/pm/blob/master/minutes/weekly/YYYY-MM.md) after the meeting, where you can find past meeting notes. ## Table of Contents [TOC] ## 1 Oct (Q4) New doc: [Q4 notes](https://hackmd.io/@bokeh/ryaqZaq2gl/edit) ## 24 Sep Moderator: Isaiah Notetaker: Pavithra ### 1. Attending *Please add your name here :)* * Name / Pronouns (optional) / GitHub handle (optional) * Bryan * Simon * Philipp * Pavithra * Timo * Isaiah ### 2. New introductions! *Is this your first time in this weekly sync meeting? Welcome! We'd love to hear about you!* NA ### 3. Past actions *Did we complete our actions from last week? Notetaker to copy over action items from the previous meeting.* NA ### 4. Updates *Active contibutors, especially funded developers, share quick highlights from last week, and the roadmap for next week.* #### Anaconda (Mateusz) - restarted work on key bindings (PR #14) - going through open PRs, esp related to CZI - redesigning canvas componets with CSS - removal of date annotations - triage, regression fixes - completed pr adding preliminary support for aria labels, mainly Switch. Will work on a per-component basis. - Will work on initial design-system implementation, csv export work #### CZI R6 * [Meeting notes](https://hackmd.io/AduE_BQKQh2q49OhEwPNyw) ### 5. Discussion items *Add any topics that will benefit from feedback from everyone present. Please add your topics here while we go through updates.* * Bryan - Github secret scanning feature, would like to sunset GitGuardian in favour of this. Discussion open, Mateusz says it looks good. ### 6. External announcements *Does the contributor team have any announcements for the broader Bokeh community? For example, new releases (candidates), upcoming talks or sprints, new core team members, and more.* * Mateusz - Another onboarding to Bokeh development session for Isaish & Daniel * Bryan - Latest NumFOCUS smal dev grant cfp is open, if interested reach out on Slack. Deadline Oct 10. * Bokeh / NF meeting on Friday. Reach out on Slack if you need an invite. * 3.8 release blog post needs review. ### 7. Actions *Action items that come up during discussions, that are not a part of the roadmap for next week. This is also an opportunity to review actions from the previous week.* - [ ] Bryan - switch to GH secret scanning ## 17 Sep Moderator: Pavithra Notetaker: Pavithra ### 1. Attending *Please add your name here :)* * Name / Pronouns (optional) / GitHub handle (optional) * Mateusz * Simon * Pavithra ### 2. New introductions! *Is this your first time in this weekly sync meeting? Welcome! We'd love to hear about you!* NA ### 3. Past actions *Did we complete our actions from last week? Notetaker to copy over action items from the previous meeting.* NA ### 4. Updates *Active contibutors, especially funded developers, share quick highlights from last week, and the roadmap for next week.* #### Anaconda (Mateusz) * catching-up after time off, clearing PR queue * will pick up long-running PRs, like Date Annotations & toolbar redesign * CZI: Finalizing keyboard support * started work on: migration of custom layouts to CSS layouts #### CZI R6 * Planning for next-phase, onboaring new team member. ### 5. Discussion items *Add any topics that will benefit from feedback from everyone present. Please add your topics here while we go through updates.* * 3.8 release blog post - in progress * Mateusz started 3.8.1 milestone, no major regressions reported, so wait. * Track issues with mathjax ### 6. External announcements *Does the contributor team have any announcements for the broader Bokeh community? For example, new releases (candidates), upcoming talks or sprints, new core team members, and more.* * NumFOCUS moving to Zulip ### 7. Actions *Action items that come up during discussions, that are not a part of the roadmap for next week. This is also an opportunity to review actions from the previous week.* NA ## 10 Sep Moderator: Pavithra Notetaker: Isaiah ### 1. Attending *Please add your name here :)* * Name / Pronouns (optional) / GitHub handle (optional) * Isaiah * Bryan * Timo * Simon * Philipp * Pavithra ### 2. New introductions! *Is this your first time in this weekly sync meeting? Welcome! We'd love to hear about you!* NA ### 3. Past actions *Did we complete our actions from last week? Notetaker to copy over action items from the previous meeting.* NA ### 4. Updates *Active contibutors, especially funded developers, share quick highlights from last week, and the roadmap for next week.* #### Anaconda (Mateusz) _OOO_ #### CZI R6 NA #### Philipp * 3.8 PRs going strong - Mateusz will update when he's back next week. ### 5. Discussion items *Add any topics that will benefit from feedback from everyone present. Please add your topics here while we go through updates.* * Simon - Some new guy writing AI generated comments on a few Issues. What is the Bokeh policy regarding that? * Bryan - We can handle on a case by case basis for now without needing to write a policy on it...unless it becomes too much. There is also a `spam` tag for Issues created like that. ### 6. External announcements *Does the contributor team have any announcements for the broader Bokeh community? For example, new releases (candidates), upcoming talks or sprints, new core team members, and more.* * Bokeh 3.8 announcements somewhere yet? * Mateusz has started a blog post that is still in draft. ### 7. Actions *Action items that come up during discussions, that are not a part of the roadmap for next week. This is also an opportunity to review actions from the previous week.* - [ ] Assignee -- Action item ## 3 Sep Moderator: Philipp Notetaker: Philipp ### 1. Attending *Please add your name here :)* * Name / Pronouns (optional) / GitHub handle (optional) * Simon Hansen (@hoxbro) * Mateusz Paprocki (@mattpap) * Philipp Rudiger (@philippjfr) ### 2. New introductions! *Is this your first time in this weekly sync meeting? Welcome! We'd love to hear about you!* * NA ### 3. Past actions *Did we complete our actions from last week? Notetaker to copy over action items from the previous meeting.* * NA ### 4. Updates *Active contibutors, especially funded developers, share quick highlights from last week, and the roadmap for next week.* #### Anaconda (Mateusz) * Mateusz * Bokeh 3.8 released * Starting 3.9.0 development cycle * Potentially started backports for 3.8.1 * Started reviving CZI * CSS on canvas * Keybindings * Philipp * Updated conda-forge with 3.8 #### CZI R6 * No new updates, continuing of last weeek's tasks. ### 5. Discussion items *Add any topics that will benefit from feedback from everyone present. Please add your topics here while we go through updates.* * NA ### 6. External announcements *Does the contributor team have any announcements for the broader Bokeh community? For example, new releases (candidates), upcoming talks or sprints, new core team members, and more.* * Mateusz working on 3.8 blog post ### 7. Actions *Action items that come up during discussions, that are not a part of the roadmap for next week. This is also an opportunity to review actions from the previous week.* - [ ] Assignee -- Action item ## 27 Aug Moderator: Timo Notetaker: Pavithra ### 1. Attending *Please add your name here :)* * Name / Pronouns (optional) / GitHub handle (optional) * Timo * Mateusz * Philipp * Gabriel * Simon ### 2. New introductions! *Is this your first time in this weekly sync meeting? Welcome! We'd love to hear about you!* NA ### 3. Past actions *Did we complete our actions from last week? Notetaker to copy over action items from the previous meeting.* NA ### 4. Updates *Active contibutors, especially funded developers, share quick highlights from last week, and the roadmap for next week.* #### Anaconda (Mateusz) * Working on the 3.8 release - all PRs & bug fixes compelte (inc, adding doc config options) * PR for release notes * RC2 release * Working on CZI R6 tasks #### CZI R6 * [name=Gabriel] * Ready for review (finally!): [Add CSV method to ColumnarDataSource #14519](https://github.com/bokeh/bokeh/pull/14519) * Uploaded related PR yesterday: [CSV export UI #14612](https://github.com/bokeh/bokeh/pull/14612) * need review * instead of having a tool in the toolbar, it goes in the context menu ### 5. Discussion items *Add any topics that will benefit from feedback from everyone present. Please add your topics here while we go through updates.* * Release timeline - RC2 looks good, potentially release on Friday/Monday * Philipp will test with production apps ### 6. External announcements *Does the contributor team have any announcements for the broader Bokeh community? For example, new releases (candidates), upcoming talks or sprints, new core team members, and more.* NA ### 7. Actions *Action items that come up during discussions, that are not a part of the roadmap for next week. This is also an opportunity to review actions from the previous week.* NA ## 20 Aug Moderator: Pavithra Notetaker: Timo ### 1. Attending *Please add your name here :)* * Name / Pronouns (optional) / GitHub handle (optional) * Bryan * Mateusz * Simon * Philipp * Gabriel * Pavithra * Timo ### 2. New introductions! *Is this your first time in this weekly sync meeting? Welcome! We'd love to hear about you!* * ### 3. Past actions *Did we complete our actions from last week? Notetaker to copy over action items from the previous meeting.* - [ ] Assignee -- Action item ### 4. Updates *Active contibutors, especially funded developers, share quick highlights from last week, and the roadmap for next week.* #### Anaconda (Mateusz) - focus on 3.8 release - finalized work on `SizeBar` and side panel layouts (PR #14487) - working on follow up to PR for support for WebSocket reconnect (events, APIs) - basis for a notification API that will be expanded on #### CZI R6 - Gabriel - Trying to get [Add CSV method to ColumnarDataSource #14519](https://github.com/bokeh/bokeh/pull/14519) out of draft mode - One [failing test](https://github.com/bokeh/bokeh/actions/runs/17098455059/job/48488445529?pr=14519), not sure if related but it might be - Pavithra: Continuing plot readers doc #### TBD ### 5. Discussion items *Add any topics that will benefit from feedback from everyone present. Please add your topics here while we go through updates.* * Bryan: Status of converting demo site to static? Philipp: Some exampels required replacing periodic callbacks - might need to be dropped (at least temporarily). TBD: Start a discussion to initiate the switchover process * Philipp: Release timeline? Likely: RC2 by end of week ### 6. External announcements *Does the contributor team have any announcements for the broader Bokeh community? For example, new releases (candidates), upcoming talks or sprints, new core team members, and more.* * ### 7. Actions *Action items that come up during discussions, that are not a part of the roadmap for next week. This is also an opportunity to review actions from the previous week.* - [ ] Philipp/Bryan -- Start discussion for switching the demo site to static ## 13 Aug Moderator: Isaiah Notetaker: Pavithra ### 1. Attending *Please add your name here :)* * Name / Pronouns (optional) / GitHub handle (optional) * Isaiah * Simon * Timo * Mateusz * Pavithra Not attending: Gabriel (on vacation) ### 2. New introductions! *Is this your first time in this weekly sync meeting? Welcome! We'd love to hear about you!* NA ### 3. Past actions *Did we complete our actions from last week? Notetaker to copy over action items from the previous meeting.* NA ### 4. Updates *Active contibutors, especially funded developers, share quick highlights from last week, and the roadmap for next week.* #### Anaconda (Mateusz) - Focusing on 3.8, sizebar PR in progress (hoping to complete today) - zooming-in to the plot makes it disappear #### CZI R6 - Pavithra: Merged updated SVG icons & docs PR. Continuing work on plot readers doc. ### 5. Discussion items *Add any topics that will benefit from feedback from everyone present. Please add your topics here while we go through updates.* * Release candidate, as soon as the sizebar PR is merged ### 6. External announcements *Does the contributor team have any announcements for the broader Bokeh community? For example, new releases (candidates), upcoming talks or sprints, new core team members, and more.* NA ### 7. Actions *Action items that come up during discussions, that are not a part of the roadmap for next week. This is also an opportunity to review actions from the previous week.* NA ## 06 Aug Moderator: Bryan Notetaker: Philipp ### 1. Attending *Please add your name here :)* * Pavithra * Bryan * Philipp * Simon * Gabriel ### 2. New introductions! *Is this your first time in this weekly sync meeting? Welcome! We'd love to hear about you!* N/A ### 3. Past actions *Did we complete our actions from last week? Notetaker to copy over action items from the previous meeting.* - [ ] Assignee -- Action item ### 4. Updates *Active contibutors, especially funded developers, share quick highlights from last week, and the roadmap for next week.* * Philipp/Simon * Reviewing SizeBar and re-connect PRs * Mateusz * Finalizing SizeBar PR #### CZI R6 * Gab * No updates! Been busy on other projects * Pavithra: * SVG Icons PR is close (one test failing) ### 5. Discussion items *Add any topics that will benefit from feedback from everyone present. Please add your topics here while we go through updates.* * 3.8.0 RC * Attempt to tag release by Friday ### 6. External announcements *Does the contributor team have any announcements for the broader Bokeh community? For example, new releases (candidates), upcoming talks or sprints, new core team members, and more.* * Release social post next week will be good ### 7. Actions *Action items that come up during discussions, that are not a part of the roadmap for next week. This is also an opportunity to review actions from the previous week.* - [ ] Assignee -- Action item ## 30 Jul Moderator: ... Notetaker: ... ### 1. Attending *Please add your name here :)* * Name / Pronouns (optional) / GitHub handle (optional) * Mateusz * Philipp * Pavithra * Gabriel ### 2. New introductions! *Is this your first time in this weekly sync meeting? Welcome! We'd love to hear about you!* NA ### 3. Past actions *Did we complete our actions from last week? Notetaker to copy over action items from the previous meeting.* - [ ] Assignee -- Action item ### 4. Updates *Active contibutors, especially funded developers, share quick highlights from last week, and the roadmap for next week.* #### Anaconda (Mateusz) - finalizing work on side panel layouts and `SizeBar` annotation (PR #14) - finalized and merged hit filtering and other improvements to `HoverTool` (PR #14) - fixed an annoying test failure related to OSM tile provider (PR #14) - resolved `npm audit`'s concerns (PR #14) - working on persistent `HoverTool` mode (PR #14) - working on delegation to other components in `HoverTool` (PR #14) - finalizing and testing layout fixes (PR #14) #### CZI R6 * Pavithra - No updates, will look into review comments for svg icons. * Mateusz - this is a release blocker * Gab * Updated CSV PR, completed [checklist of CSV PR TODO items](https://github.com/bokeh/bokeh/pull/14519#issuecomment-3109380681) identified last week * Partially reviewed: [Add support for toggling selectable text #14472](https://github.com/bokeh/bokeh/pull/14472) ### 5. Discussion items *Add any topics that will benefit from feedback from everyone present. Please add your topics here while we go through updates.* * RC postponed by a week ### 6. External announcements *Does the contributor team have any announcements for the broader Bokeh community? For example, new releases (candidates), upcoming talks or sprints, new core team members, and more.* * ### 7. Actions *Action items that come up during discussions, that are not a part of the roadmap for next week. This is also an opportunity to review actions from the previous week.* - [ ] Assignee -- Action item ## 23 Jul Moderator: Bryan Notetaker: Pavithra ### 1. Attending *Please add your name here :)* * Name / Pronouns (optional) / GitHub handle (optional) * ### 2. New introductions! *Is this your first time in this weekly sync meeting? Welcome! We'd love to hear about you!* NA ### 3. Past actions *Did we complete our actions from last week? Notetaker to copy over action items from the previous meeting.* NA ### 4. Updates *Active contibutors, especially funded developers, share quick highlights from last week, and the roadmap for next week.* #### Anaconda (Mateusz) * finalizing some things for 3.8 release * hovertool * TBD * Docs & testing * Layout improvements on canvas, support for sizebar annotations * Catching up: Issue triage, PR reviews and closed some older PRs * Fixing some recent bug reports * Working on longer PRs: ... #### CZI R6 * Gabriel: * Working on open [PR for CSV export](https://github.com/bokeh/bokeh/pull/14519) * Getting rid of 3rd party dependencies * Adding tests * Pavithra: * PR for fixed svg icon width/stoke issues #### Philipp * Reviewed some of Mateusz's PRs * Work on / review: Support for conenction option after automatic re-connect ### 5. Discussion items *Add any topics that will benefit from feedback from everyone present. Please add your topics here while we go through updates.* * 3.8 release timeline: * RC in 1 week * Release the week after * NumFOCUS migrating from Slack -> Zulip (does not affect Bokeh Slack for now) * Mateusz - Holoviz/param is working on typing, we can leverage some of this in Bokeh. Will be creating a proposal for discussion: github discussion or draft PR with POC. ### 6. External announcements *Does the contributor team have any announcements for the broader Bokeh community? For example, new releases (candidates), upcoming talks or sprints, new core team members, and more.* NA ### 7. Actions *Action items that come up during discussions, that are not a part of the roadmap for next week. This is also an opportunity to review actions from the previous week.* - [x] Pavithra - look into hackmd doc editing permissions - [ ] Pavithra - add hackmd<>gihutb sync to this doc. ## 16 Jul Moderator: Isaiah Notetaker: Pavithra ### 1. Attending *Please add your name here :)* * Name / Pronouns (optional) / GitHub handle (optional) * Philipp * Isaiah * Mateusz * Pavithra ### 2. New introductions! *Is this your first time in this weekly sync meeting? Welcome! We'd love to hear about you!* NA ### 3. Past actions *Did we complete our actions from last week? Notetaker to copy over action items from the previous meeting.* NA ### 4. Updates *Active contibutors, especially funded developers, share quick highlights from last week, and the roadmap for next week.* #### Anaconda (Mateusz) * Catching up after vacation, cleaning-up untriaged issues * Finishing some PRs, heading towards 3.8 (no later than end of the month) #### CZI R6 * Pavithra - Working on the plot reader docs, and with Smera on fixing the new svg icons ### 5. Discussion items *Add any topics that will benefit from feedback from everyone present. Please add your topics here while we go through updates.* NA ### 6. External announcements *Does the contributor team have any announcements for the broader Bokeh community? For example, new releases (candidates), upcoming talks or sprints, new core team members, and more.* NA ### 7. Actions *Action items that come up during discussions, that are not a part of the roadmap for next week. This is also an opportunity to review actions from the previous week.* NA ## 09 Jul Moderator: Pavithra Notetaker: Isaiah ### 1. Attending *Please add your name here :)* * Name / Pronouns (optional) / GitHub handle (optional) * Bryan * Philipp * Isaiah * Gabriel * Pavithra ### 2. New introductions! *Is this your first time in this weekly sync meeting? Welcome! We'd love to hear about you!* * ### 3. Past actions *Did we complete our actions from last week? Notetaker to copy over action items from the previous meeting.* - [x] Gabriel - POC branch for CSV export to look at ### 4. Updates *Active contibutors, especially funded developers, share quick highlights from last week, and the roadmap for next week.* #### CZI R6 () * Pavithra * Draft pr for plot readers documentation * Design - Smera is finalizing widgets a11y re-design after feedback * Gab * Proof of concept: CSV export. * Demo URL will stay up no longer than end of day: https://5777-bokeh-bokeh-b295y8g8lp6.ws-eu120.gitpod.io/bokeh/examples/basic/bars/bar ### 5. Discussion items *Add any topics that will benefit from feedback from everyone present. Please add your topics here while we go through updates.* * Gabriel - Way forward for the csv button? * Option in the context menu * Default button in the toolbar * Bryan - No strong preference for either option * Bryan - Another option would be to have an API to convert the CDS to a `.csv` file. Much simpler than a UX option * Bryan - Needs some help to Triage some open Issues. ### 6. External announcements *Does the contributor team have any announcements for the broader Bokeh community? For example, new releases (candidates), upcoming talks or sprints, new core team members, and more.* * ### 7. Actions *Action items that come up during discussions, that are not a part of the roadmap for next week. This is also an opportunity to review actions from the previous week.* - [ ] Assignee -- Action item ## 02 Jul Moderator: Simon Notetaker: Bryan ### 1. Attending *Please add your name here :)* * Bryan * Gabriel * Simon ### 2. New introductions! *Is this your first time in this weekly sync meeting? Welcome! We'd love to hear about you!* N/A ### 3. Past actions *Did we complete our actions from last week? Notetaker to copy over action items from the previous meeting.* N/A ### 4. Updates *Active contibutors, especially funded developers, share quick highlights from last week, and the roadmap for next week.* #### Anaconda (Mateusz) #### CZI R6 () * Gab * No updates ### 5. Discussion items *Add any topics that will benefit from feedback from everyone present. Please add your topics here while we go through updates.* * Simon: Testing potential improvements for version confusions in google search in hvplot. Will move any improvements to Bokeh * Gabriel * CSV export * CSV escaping * TypeScript compile problem * -3.14159 -> '-3.14159 * Methodology * Tool class gets parent * Iterate through parent.children (views) * Filter instances of GlyphRendererView * Get unique set of data sources * Output those as CSV Results of discussion: - Security problems with CSV are fundamentally not Bokeh's problem. However, perhaps we can show the user a warning if we detect values that look potentially dangerous. - The methodology described for getting all the data sources is sounds correct; however, need to show actual code in a branch to make an assessment ### 6. External announcements *Does the contributor team have any announcements for the broader Bokeh community? For example, new releases (candidates), upcoming talks or sprints, new core team members, and more.* N/A ### 7. Actions *Action items that come up during discussions, that are not a part of the roadmap for next week. This is also an opportunity to review actions from the previous week.* - [ ] Gabriel - POC branch for CSV export to look at <details> <summary> Template: </summary> ## DD MMM Moderator: ... Notetaker: ... ### 1. Attending *Please add your name here :)* * Name / Pronouns (optional) / GitHub handle (optional) * ### 2. New introductions! *Is this your first time in this weekly sync meeting? Welcome! We'd love to hear about you!* * ### 3. Past actions *Did we complete our actions from last week? Notetaker to copy over action items from the previous meeting.* - [ ] Assignee -- Action item ### 4. Updates *Active contibutors, especially funded developers, share quick highlights from last week, and the roadmap for next week.* #### Anaconda (Mateusz) #### CZI R6 () #### TBD ### 5. Discussion items *Add any topics that will benefit from feedback from everyone present. Please add your topics here while we go through updates.* * ### 6. External announcements *Does the contributor team have any announcements for the broader Bokeh community? For example, new releases (candidates), upcoming talks or sprints, new core team members, and more.* * ### 7. Actions *Action items that come up during discussions, that are not a part of the roadmap for next week. This is also an opportunity to review actions from the previous week.* - [ ] Assignee -- Action item </details>

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